10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

Q QuarterlyReport Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended March 31, 2015

OR 

o TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________ to _________

Commission File Number 001-33503

BLUEKNIGHT ENERGY PARTNERS, L.P.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)	20-8536826 (IRS Employer Identification No.)
201 NW 10th, Suite 200 Oklahoma City, Oklahoma 73103 (Address of principal executive offices, zip code) Registrant’s telephone number, including area code: (405) 278-6400

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes    x    No   o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes   x   No   o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer o	Accelerated filer x
Non-accelerated filer o   (Do not check if a smaller reporting company)	Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  o  No x

As of May 1, 2015, there were 30,158,619 Series A Preferred Units and 32,915,481 common units outstanding.

Table of Contents
		Page
PART I	FINANCIAL INFORMATION	1
Item 1.	Unaudited Financial Statements	1
	Consolidated Balance Sheets as of December 31, 2014 and March 31, 2015	1
	Consolidated Statements of Operations for the Three Months Ended March 31, 2014 and 2015	2
	Consolidated Statement of Changes in Partners’ Capital for the Three Months Ended March 31, 2015	3
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2014 and 2015	4
	Notes to the Consolidated Financial Statements	5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	17
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	27
Item 4.	Controls and Procedures	28
PART II	OTHER INFORMATION	28
Item 1.	Legal Proceedings	28
Item 1A.	Risk Factors	28
Item 6.	Exhibits	28

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PART I. FINANCIAL INFORMATION

Item 1.    Unaudited Financial Statements

BLUEKNIGHT ENERGY PARTNERS, L.P. CONSOLIDATED BALANCE SHEETS (in thousands, except per unit data)
	As of			As of
	December 31, 2014			March 31, 2015
	(unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	2,661		$	2,383
Accounts receivable, net of allowance for doubtful accounts of $222 and $218 at December 31, 2014 and March 31, 2015, respectively	9,051			10,272
Receivables from related parties, net of allowance for doubtful accounts of $225 for both dates	2,316			2,765
Prepaid insurance	1,582			2,104
Investments	2,079			—
Other current assets	3,805			3,888
Total current assets	21,494			21,412
Property, plant and equipment, net of accumulated depreciation of $192,440 and $198,600 at December 31, 2014 and March 31, 2015, respectively	310,163			309,233
Investment in unconsolidated affiliate	20,381			19,131
Goodwill	7,216			7,216
Debt issuance costs, net	3,085			2,866
Intangibles and other assets, net	2,056			2,043
Total assets	$	364,395		$	361,901
LIABILITIES AND PARTNERS’ CAPITAL
Current liabilities:
Accounts payable	$	7,626		$	6,898
Accrued interest payable	233			202
Accrued property taxes payable	2,046			1,684
Unearned revenue	1,531			1,213
Unearned revenue with related parties	909			802
Accrued payroll	6,520			3,619
Other current liabilities	3,204			3,199
Total current liabilities	22,069			17,617
Unearned revenue with related parties, noncurrent	116			107
Other long-term liabilities	3,620			4,324
Interest rate swap liabilities	2,634			4,440
Long-term debt	216,000			224,000
Commitments and contingencies (Note 12)
Partners’ capital:
Series A Preferred Units (30,158,619 units issued and outstanding for both dates)	204,599			204,599
Common unitholders (32,774,163 and 32,915,481 units issued and outstanding at December 31, 2014 and March 31, 2015, respectively)	525,767			517,388
General partner interest (1.8% interest with 1,127,755 general partner units outstanding at both dates)	(610,410		)	(610,574		)
Total Partners’ capital	119,956			111,413
Total liabilities and Partners’ capital	$	364,395		$	361,901

The accompanying notes are an integral part of these financial statements.

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BLUEKNIGHT ENERGY PARTNERS, L.P. CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per unit data)
	Three Months ended March 31,
	2014			2015
	(unaudited)
Service revenue:
Third party revenue	$	34,236		$	32,123
Related party revenue	12,206			10,233
Total revenue	46,442			42,356
Expense:
Operating	35,500			32,386
General and administrative	4,487			4,977
Total expense	39,987			37,363
Gain on sale of assets	397			304
Operating income	6,852			5,297
Other income (expense):
Equity earnings (loss) in unconsolidated affiliate	(204		)	656
Interest expense (net of capitalized interest of $80 and $23, respectively)	(2,655		)	(4,283		)
Income before income taxes	3,993			1,670
Provision for income taxes	101			91
Net income	$	3,892		$	1,579
Allocation of net income for calculation of earnings per unit:
General partner interest in net income	$	93		$	103
Preferred interest in net income	$	5,391		$	5,391
Loss available to limited partners	$	(1,592	)	$	(3,915	)
Basic and diluted net loss per common unit	$	(0.07	)	$	(0.12	)
Weighted average common units outstanding - basic and diluted	22,900			32,894

The accompanying notes are an integral part of these financial statements.

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BLUEKNIGHT ENERGY PARTNERS, L.P. CONSOLIDATED STATEMENT OF CHANGES IN PARTNERS’ CAPITAL (in thousands)
	Common Unitholders			Series A Preferred Unitholders			General Partner Interest			Total Partners’ Capital
	(unaudited)
Balance, December 31, 2014	$	525,767		$	204,599		$	(610,410	)	$	119,956
Net income (loss)	(3,839		)	5,391			27			1,579
Equity-based incentive compensation	10			—			1			11
Profits interest contribution	—			—			37			37
Distributions	(4,550		)	(5,391		)	(229		)	(10,170		)
Balance, March 31, 2015	$	517,388		$	204,599		$	(610,574	)	$	111,413

The accompanying notes are an integral part of these financial statements.

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BLUEKNIGHT ENERGY PARTNERS, L.P. CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands)
	Three Months ended March 31,
	2014			2015
	(unaudited)
Cash flows from operating activities:
Net income	$	3,892		$	1,579
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible receivables from third parties	—			(4		)
Depreciation and amortization	6,317			6,646
Amortization and write-off of debt issuance costs	199			219
Unrealized loss related to interest rate swaps	355			1,806
Gain on sale of assets	(397		)	(304		)
Equity-based incentive compensation	(53		)	11
Equity (earnings) loss in unconsolidated affiliate	204			(656		)
Gain related to investments	—			(267		)
Changes in assets and liabilities
Decrease (increase) in accounts receivable	719			(1,217		)
Decrease (increase) in receivables from related parties	433			(449		)
Decrease in prepaid insurance	261			278
Decrease (increase) in other current assets	373			(83		)
Decrease in other assets	76			4
Decrease in accounts payable	(1,072		)	(135		)
Decrease in accrued interest payable	(238		)	(31		)
Decrease in accrued property taxes	(431		)	(362		)
Increase in unearned revenue	832			424
Decrease in unearned revenue from related parties	(8		)	(116		)
Decrease in accrued payroll	(3,673		)	(2,901		)
Decrease in other accrued liabilities	(1,569		)	(360		)
Net cash provided by operating activities	6,220			4,082
Cash flows from investing activities:
Capital expenditures	(7,878		)	(6,413		)
Proceeds from sale of assets	453			417
Distributions from unconsolidated affiliate	—			1,906
Proceeds from sale of investments	—			2,346
Net cash used in investing activities	(7,425		)	(1,744		)
Cash flows from financing activities:
Payment on insurance premium financing agreement	(597		)	(483		)
Borrowings under credit facility	15,000			25,000
Payments under credit facility	(7,000		)	(17,000		)
Capital contribution related to profits interest	37			37
Distributions	(8,511		)	(10,170		)
Net cash used in financing activities	(1,071		)	(2,616		)
Net decrease in cash and cash equivalents	(2,276		)	(278		)
Cash and cash equivalents at beginning of period	3,182			2,661
Cash and cash equivalents at end of period	$	906		$	2,383
Supplemental disclosure of cash flow information:
Increase (decrease) in accounts payable related to purchase of property, plant and equipment	$	2,346		$	(593	)
Increase in accrued liabilities related to insurance premium financing agreement	$	899		$	800

The accompanying notes are an integral part of these financial statements. 

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BLUEKNIGHT ENERGY PARTNERS, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

1.    ORGANIZATION AND NATURE OF BUSINESS

Blueknight Energy Partners, L.P. and subsidiaries (collectively, the “Partnership”) is a publicly traded master limited partnership with operations in twenty-two states. The Partnership provides integrated terminalling, storage, processing, gathering and transportation services for companies engaged in the production, distribution and marketing of crude oil and asphalt products. The Partnership manages its operations through four operating segments: (i) crude oil terminalling and storage services, (ii) crude oil pipeline services, (iii) crude oil trucking and producer field services and (iv) asphalt services. The Partnership’s common units and preferred units, which represent limited partnership interests in the Partnership, are listed on the NASDAQ Global Market under the symbols “BKEP” and “BKEPP,” respectively. The Partnership was formed in February2007 as a Delaware master limited partnership initially to own, operate and develop a diversified portfolio of complementary midstream energy assets.

2.    BASIS OF CONSOLIDATION AND PRESENTATION

The financial statements have been prepared in accordance with accounting principles and practices generally accepted in the United States of America (“GAAP”).  The consolidated statements of operations for the three months ended March 31,2014 and 2015, the consolidated statement of changes in partners’ capital for the three months ended March 31,2015, the consolidated statements of cash flows for the three months ended March 31,2014 and 2015, and the consolidated balance sheet as of March 31, 2015 are unaudited.  In the opinion of management, the unaudited consolidated financial statements have been prepared on the same basis as the audited financial statements and include all adjustments necessary to state fairly the financial position and results of operations for the respective interim periods.  All adjustments are of a recurring nature unless otherwise disclosed herein.  The 2014 year-end consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP.  These unaudited consolidated financial statements and notes should be read in conjunction with the consolidated financial statements and notes thereto included in the Partnership’s annual report on Form 10-K for the year ended December 31, 2014 filed with the Securities and Exchange Commission (the “SEC”) on March 11, 2015 (the “2014 Form 10-K”).  Interim financial results are not necessarily indicative of the results to be expected for an annual period.  The Partnership’s significant accounting policies are consistent with those disclosed in Note 4 of the Notes to Consolidated Financial Statements in its 2014 Form 10-K.

The Partnership’s investment in Advantage Pipeline, L.L.C. (“Advantage Pipeline”), over which the Partnership has significant influence but not control, is accounted for by the equity method. The Partnership does not consolidate any part of the assets or liabilities of its equity investee. The Partnership’s share of net income or loss is reflected as one line item on the Partnership’s Consolidated Statements of Operations entitled “Equity earnings in unconsolidated affiliate” and will increase or decrease, as applicable, the carrying value of the Partnership’s investment in the unconsolidated affiliate on the consolidated balance sheet. Distributions to the Partnership reduce the carrying value of its investment and are reflected in the Partnership’s consolidated statements of cash flows in the line item “Distributions from unconsolidated affiliate.” In turn, contributions will increase the carrying value of the Partnership’s investment and will be reflected in the Partnership’s Consolidated Statements of Cash Flows in investing activities.

In November 2014, the Partnership received 30,393 Class A Common Units of SemCorp in connection with the settlement of two unsecured claims the Partnership filed in connection with SemCorp's predecessor's bankruptcy filing in 2008. The fair market value of these units on the date of receipt was $2.5 million. In March 2015, the Partnership sold all of these units for a total of $2.3 million.

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3.    PROPERTY, PLANT AND EQUIPMENT

	Estimated Useful Lives (Years)	December 31, 2014			March 31,  2015
		(dollars in thousands)
Land	N/A	$	18,292		$	19,287
Land improvements	10-20	6,398			6,398
Pipelines and facilities	5-30	168,537			175,333
Storage and terminal facilities	10-35	240,004			242,027
Transportation equipment	3-10	13,557			13,219
Office property and equipment and other	3-20	28,958			29,050
Pipeline linefill and tank bottoms	N/A	10,186			10,186
Construction-in-progress	N/A	16,671			12,333
Property, plant and equipment, gross		502,603			507,833
Accumulated depreciation		(192,440		)	(198,600		)
Property, plant and equipment, net		$	310,163		$	309,233

Depreciation expense for the three months ended March 31,2014 and 2015 was $6.3 million and $6.6 million, respectively.

4.    DEBT

On June 28, 2013, the Partnership entered into an amended and restated credit agreement that consists of a $400.0 million revolving loan facility. On September 15, 2014, the Partnership amended its credit facility to, among other things, amend the maximum permitted consolidated total leverage ratio as discussed below and to increase the limit on material project adjustments to EBITDA (as defined in the credit agreement).

As of May 1, 2015, approximately $231.0 million of revolver borrowings and $0.9 million of letters of credit were outstanding under the credit facility, leaving the Partnership with approximately $168.1 million available capacity for additional revolver borrowings and letters of credit under the credit facility, although the Partnership’s ability to borrow such funds may be limited by the financial covenants in the credit facility. The proceeds of loans made under the amended and restated credit agreement may be used for working capital and other general corporate purposes of the Partnership. All references herein to the credit agreement on or after June 28, 2013 refer to the amended and restated credit agreement, as amended on September 15, 2014.

The credit agreement is guaranteed by all of the Partnership’s existing subsidiaries. Obligations under the credit agreement are secured by first priority liens on substantially all of the Partnership’s assets and those of the guarantors.

The credit agreement includes procedures for additional financial institutions to become revolving lenders, or for any existing lender to increase its revolving commitment thereunder, subject to an aggregate maximum of $500.0 million for all revolving loan commitments under the credit agreement.

The credit agreement will mature on June 28, 2018, and all amounts outstanding under the credit agreement will become due and payable on such date.  The Partnership may prepay all loans under the credit agreement at any time without premium or penalty (other than customary LIBOR breakage costs), subject to certain notice requirements. The credit agreement requires mandatory prepayments of amounts outstanding thereunder with the net proceeds of certain asset sales, property or casualty insurance claims, and condemnation proceedings, unless the Partnership reinvests such proceeds in accordance with the credit agreement, but these mandatory prepayments will not require any reduction of the lenders’ commitments under the credit agreement.

Borrowings under the credit agreement bear interest, at the Partnership’s option, at either the reserve-adjusted eurodollar rate (as defined in the credit agreement) plus an applicable margin that ranges from 2.0% to 3.0% or the alternate base rate (the highest of the agent bank’s prime rate, the federal funds effective rate plus 0.5%, and the 30-day eurodollar rate plus 1.0%) plus an applicable margin that ranges from 1.0% to 2.0%.  The Partnership pays a per annum fee on all letters of credit issued under the credit agreement, which fee equals the applicable margin for loans accruing interest based on the eurodollar rate, and the Partnership pays a commitment fee ranging from 0.375% to 0.5% on the unused commitments under the credit agreement.  The

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applicable margins for the Partnership’s interest rate, the letter of credit fee and the commitment fee vary quarterly based on the Partnership’s consolidated total leverage ratio (as defined in the credit agreement, being generally computed as the ratio of consolidated total debt to consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges).

The credit agreement includes financial covenants that are tested on a quarterly basis, based on the rolling four-quarter period that ends on the last day of each fiscal quarter.

Prior to the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million, the maximum permitted consolidated total leverage ratio is 4.50 to 1.00; provided that:

• after the Partnership delivers the Knight Warrior Pipeline Initiation Certificate (as defined in the credit agreement, but generally meaning that the Partnership has spent at least $15.0 million of the projected capital expenditures for its Knight Warrior pipeline project), the maximum permitted consolidated total leverage ratio is 5.00 to 1.00 for the fiscal quarters ending March 31, 2015 through September 30, 2016, 4.75 to 1.00 for the fiscal quarter ending December 31, 2016, and 4.50 to 1.00 for each fiscal quarter thereafter;

• after the Partnership delivers the Knight Warrior Pipeline Leverage Election Certificate (as defined in the credit agreement, but generally meaning that the Partnership has spent at least 50% of the projected capital expenditures for the Knight Warrior pipeline project), the Partnership may elect to increase the maximum permitted consolidated total leverage ratio to 5.50 to 1.00 for two consecutive fiscal quarters ending on or before September 30, 2016; and

• if the Partnership makes a specified acquisition (as defined in the credit agreement, but generally being an acquisition with consideration in excess of $10.0 million), the Partnership may elect to increase the maximum permitted consolidated total leverage ratio to 5.00 to 1.00 from and after the last day of the fiscal quarter immediately preceding the fiscal quarter in which such acquisition occurs to and including the last day of the second full fiscal quarter following the fiscal quarter in which such acquisition occurred.

From and after the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million, the maximum permitted consolidated total leverage ratio is 5.00 to 1.00; provided that after the Partnership delivers the Knight Warrior Pipeline Initiation Certificate, the maximum permitted consolidated total leverage ratio is 5.50 to 1.00 for the fiscal quarters ending March 31, 2015 through September 30, 2016, and 5.00 to 1.00 for each fiscal quarter thereafter.

The maximum permitted consolidated senior secured leverage ratio (as defined in the credit agreement, but generally computed as the ratio of consolidated total secured debt to consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges) is 3.50 to 1.00, but this covenant is only tested from and after the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million.

The minimum permitted consolidated interest coverage ratio (as defined in the credit agreement, but generally computed as the ratio of consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges to consolidated interest expense) is 2.50 to 1.00.

In addition, the credit agreement contains various covenants that, among other restrictions, limit the Partnership’s ability to:

• create, issue, incur or assume indebtedness;

• create, incur or assume liens;

• engage in mergers or acquisitions;

• sell, transfer, assign or convey assets;

• repurchase the Partnership’s equity, make distributions to unitholders and make certain other restricted payments;

• make investments;

• modify the terms of certain indebtedness, or prepay certain indebtedness;

• engage in transactions with affiliates;

• enter into certain hedging contracts;

• enter into certain burdensome agreements;

• change the nature of the Partnership’s business;

• enter into operating leases; and

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• make certain amendments to the Partnership’s partnership agreement.

At March 31, 2015, the Partnership’s consolidated total leverage ratio was 3.43 to 1.00 and the consolidated interest coverage ratio was 7.11 to 1.00.  The Partnership was in compliance with all covenants of its credit agreement as of March 31, 2015.

The credit agreement permits the Partnership to make quarterly distributions of available cash (as defined in the Partnership’s partnership agreement) to unitholders so long as no default or event of default exists under the credit agreement on a pro forma basis after giving effect to such distribution. The Partnership is currently allowed to make distributions to its unitholders in accordance with this covenant; however, the Partnership will only make distributions to the extent it has sufficient cash from operations after establishment of cash reserves as determined by the Board of Directors (the “Board”) of Blueknight Energy Partners G.P., L.L.C. (the “General Partner”) in accordance with the Partnership’s cash distribution policy, including the establishment of any reserves for the proper conduct of the Partnership’s business.  See Note 6 for additional information regarding distributions.

In addition to other customary events of default, the Credit Agreement includes an event of default if (i) the General Partner ceases to own 100% of the Partnership’s general partner interest or ceases to control the Partnership or (ii) Vitol Holding B.V. (together with its affiliates, “Vitol”) and Charlesbank Capital Partners, LLC cease to collectively own and control 50.0% or more of the membership interests of the General Partner).

If an event of default relating to bankruptcy or other insolvency events occurs with respect to the General Partner or the Partnership, all indebtedness under the credit agreement will immediately become due and payable.  If any other event of default exists under the credit agreement, the lenders may accelerate the maturity of the obligations outstanding under the credit agreement and exercise other rights and remedies.  In addition, if any event of default exists under the credit agreement, the lenders may commence foreclosure or other actions against the collateral.

If any default occurs under the credit agreement, or if the Partnership is unable to make any of the representations and warranties in the credit agreement, the Partnership will be unable to borrow funds or have letters of credit issued under the credit agreement. 

During the three months ended March 31,2014 and 2015, the Partnership capitalized no debt issuance costs for either period. Debt issuance costs are being amortized over the term of the amended and restated credit agreement. Interest expense related to debt issuance cost amortization for each of the three months ended March 31,2014 and 2015 was $0.2 million.

During the three months ended March 31,2014 and 2015, the weighted average interest rate under the Partnership’s credit agreement was 3.44% and 3.41%, respectively, resulting in interest expense of approximately $2.4 million and $1.9 million, respectively. As of March 31, 2015, borrowings under the Partnership’s amended and restated credit agreement bore interest at a weighted average interest rate of 3.41%.

During the three months ended March 31,2014 and 2015, the Partnership capitalized interest of $0.1 million and less than $0.1 million, respectively.  

The Partnership is exposed to market risk for changes in interest rates related to its credit facility. Interest rate swap agreements are used to manage a portion of the exposure related to changing interest rates by converting floating-rate debt to fixed-rate debt. In March 2014 the Partnership entered into two interest rate swap agreements with an aggregate notional amount of $200.0 million. The first agreement has a notional amount of $100.0 million, became effective June 28, 2014, and matures on June 28, 2018. Under the terms of the first interest rate swap agreement, the Partnership pays a fixed rate of 1.45% and receives one-month LIBOR with monthly settlement. The second agreement has a notional amount of $100.0 million, became effective January 28, 2015, and matures on January 28, 2019. Under the terms of the second interest rate swap agreement, the Partnership will pay a fixed rate of 1.97% and will receive one-month LIBOR with monthly settlement. During the three months ended March 31, 2015, the Partnership recorded swap interest expense of $0.6 million. The Partnership did not have any swap interest expense for the three months ended March 31, 2014. The fair market value of the interest rate swaps at December 31, 2014 and March 31, 2015 is a liability of $2.6 million and $4.4 million, respectively, and is recorded in long-term derivative liabilities on the consolidated balance sheets. The interest rate swaps do not receive hedge accounting treatment under ASC 815 - Derivatives and Hedging. Changes in the fair value of the interest rate swaps are recorded in interest expense in the consolidated statements of operations. 

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5.    NET INCOME PER LIMITED PARTNER UNIT

For purposes of calculating earnings per unit, the excess of distributions over earnings or excess of earnings over distributions for each period are allocated to the Partnership’s general partner based on the general partner’s ownership interest at the time. The following sets forth the computation of basic and diluted net income (loss) per common unit (in thousands, except per unit data): 

	Three Months ended  March 31,
	2014			2015
Net income	3,892			1,579
General partner interest in net income	93			103
Preferred interest in net income	5,391			5,391
Loss available to limited partners	$	(1,592	)	$	(3,915	)
Basic and diluted weighted average number of units:
Common units	22,900			32,894
Restricted and phantom units	526			562
Basic and diluted net loss per common unit	$	(0.07	)	$	(0.12	)

6.    PARTNERS’ CAPITAL AND DISTRIBUTIONS

On September 22, 2014, the Partnership issued and sold 9,775,000 common units for a public offering price of $7.61, resulting in proceeds of approximately $71.2 million, net of underwriters' discount and offering expenses of $3.2 million.

On April 21, 2015, the Board approved a distribution of $0.17875 per preferred unit, or a total distribution of $5.4 million, for the quarter ending March 31, 2015.  The Partnership will pay this distribution on the preferred units on May 15, 2015 to unitholders of record as of May 5, 2015.

In addition, on April 21, 2015, the Board declared a cash distribution of $0.1395 per unit on its outstanding common units, a 2.2% increase over the previous quarter’s distribution. The distribution will be paid on May 15, 2015 to unitholders of record on May 5, 2015. The distribution is for the three months ended March 31,2015. The total distribution will be approximately $5.0 million, with approximately $4.6 million and $0.3 million to be paid to the Partnership’s common unitholders and general partner, respectively, and $0.1 million to be paid to holders of phantom and restricted units pursuant to awards granted under the Partnership’s long-term incentive plan.

7.    RELATED PARTY TRANSACTIONS

The Partnership provides crude oil gathering, transportation, terminalling and storage services to Vitol as well as certain operating, strategic assessment, economic evaluation and project design services.  For the three months ended March 31,2014 and 2015, the Partnership recognized revenues of $12.0 million and $9.9 million, respectively, for services provided to Vitol. As of December 31, 2014 and March 31, 2015, the Partnership had receivables from Vitol of $2.3 million and $2.7 million, net of allowance for doubtful accounts. As of December 31, 2014 and March 31, 2015, the Partnership had unearned revenues from Vitol of $1.0 million and $0.9 million, respectively.

The Partnership also provides operating and administrative services to Advantage Pipeline. For the three months ended March 31,2014 and 2015, the Partnership earned revenues of $0.2 million and $0.3 million, respectively, for services provided to Advantage Pipeline. As of December 31, 2014 and March 31, 2015, the Partnership had receivables from Advantage Pipeline of less than $0.1 million for both periods.

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8.    LONG-TERM INCENTIVE PLAN

In July 2007, the General Partner adopted the Long-Term Incentive Plan (the “LTIP”). The compensation committee of the Board administers the LTIP. Effective April 29, 2014, the Partnership's unitholders approved an amendment to the LTIP to increase the number of common units reserved for issuance under the incentive plan by 1,500,000 common units from 2,600,000 common units to 4,100,000 common units. The common units are deliverable upon vesting.  Although other types of awards are contemplated under the LTIP, currently outstanding awards include “phantom” units, which convey the right to receive common units upon vesting, and “restricted” units, which are grants of common units restricted until the time of vesting. Certain of the phantom unit awards also include distribution equivalent rights (“DERs”).

Subject to applicable earning criteria, a DER entitles the grantee to a cash payment equal to the cash distribution paid on an outstanding common unit prior to the vesting date of the underlying award. Recipients of restricted units are entitled to receive cash distributions paid on common units during the vesting period which distributions are reflected initially as a reduction of partners’ capital. Distributions paid on units which ultimately do not vest are reclassified as compensation expense.  Awards granted to date are equity awards under ASC 718 - Stock Compensation and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period.  

In each of December 2012, 2013 and 2014, 7,500 restricted common units were granted which vest in one-third increments over three years.  These grants were made in connection with the anniversary of the independent directors joining the Board. The grant date fair value of the restricted units for the 2012 and 2014 grants was less than $0.1 million while the grant date fair value of the restricted units for the 2013 grant was $0.1 million.

In March 2013, 2014 and 2015, grants for 251,106, 276,773 and 266,076 phantom units, respectively, were made, which vest on January 1, 2016, January 1, 2017 and January 1, 2018, respectively.  These grants are equity awards under ASC 718 – Stock Compensation, and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period. The weighted average grant date fair-value of the awards is $8.75, $9.06 and $7.74 per unit, respectively, which is the closing market price on the grant date of the awards. The value of these award grants was approximately $2.2 million, $2.5 million and $2.1 million respectively, on their grant date. The unrecognized estimated compensation cost of outstanding phantom units at March 31, 2015 was $3.8 million, which will be recognized over the remaining vesting period.

In September 2012, Mr. Mark Hurley was granted 500,000 phantom units under the LTIP upon his employment as the Chief Executive Officer of the General Partner. These grants are equity awards under ASC 718 – Stock Compensation, and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period. These units vest ratably over five years pursuant to the Employee Phantom Unit Agreement between Mr. Hurley and the General Partner and do not include DERs. The weighted average grant date fair value for the units of $5.62 was determined based on the closing market price of the Partnership’s common units on the grant date of the award, less the present value of the estimated distributions to be paid to holders of an outstanding common unit prior to the vesting of the underlying award. The value of this award grant was approximately $2.8 million on the grant date, and the unrecognized estimated compensation cost at March 31, 2015 was $1.4 million and will be expensed over the remaining vesting period.

The Partnership’s equity-based incentive compensation expense for each of the three months ended March 31,2014 and 2015 was $0.5 million.

Activity pertaining to phantom common units and restricted common unit awards granted under the Plan is as follows: 

	Number of Units	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014	1,020,264	$	7.46
Granted	266,076	7.74
Vested	222,800	6.76
Forfeited	14,765	8.96
Nonvested at March 31, 2015	1,048,775	$	7.66

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9.    EMPLOYEE BENEFIT PLANS

Under the Partnership’s 401(k) Plan, which was instituted in 2009, employees who meet specified service requirements may contribute a percentage of their total compensation, up to a specified maximum, to the 401(k) Plan. The Partnership may match each employee’s contribution, up to a specified maximum, in full or on a partial basis.  The Partnership recognized expense of $0.4 million for each of the three months ended March 31,2014 and 2015 for discretionary contributions under the 401(k) Plan.

The Partnership may also make annual lump-sum contributions to the 401(k) Plan irrespective of the employee’s contribution match. The Partnership may make a discretionary annual contribution in the form of profit sharing calculated as a percentage of an employee’s eligible compensation. This contribution is retirement income under the qualified 401(k) Plan. Annual profit sharing contributions to the 401(k) Plan are submitted to and approved by the Board. The Partnership recognized expense of $0.2 million for both the three months ended March 31,2014 and 2015 for discretionary profit sharing contributions under the 401(k) Plan.

Under the Partnership’s Unit Purchase Plan, which was instituted in January 2015, employees have the opportunity to acquire or increase their ownership of common units representing limited partner interests in the Partnership. Eligible employees who enroll in the Unit Purchase Plan may elect to have a designated whole percentage, up to a specified maximum, of their eligible compensation for each pay period withheld for the purchase of common units at a discount to the then current market value. A maximum of 1,000,000 common units may be delivered under the Unit Purchase Plan, subject to adjustment for a recapitalization, split, reorganization or similar event pursuant to the terms of the Unit Purchase Plan. The Partnership recognized compensation expense of less than $0.1 million for the three months ended March 31,2015 in connection with the Unit Purchase Plan.

10.    FAIR VALUE MEASUREMENTS

The Partnership utilizes a three-tier framework for assets and liabilities required to be measured at fair value. In addition, the Partnership uses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow), and the cost approach (cost to replace the service capacity of an asset or replacement cost) to value these assets and liabilities as appropriate. The Partnership uses an exit price when determining the fair value. The exit price represents amounts that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.

The Partnership utilizes a three-tier fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

Level 1 Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2 Inputs other than quoted prices that are observable for these assets or liabilities, either directly or indirectly.  These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

Level 3 Unobservable inputs in which there is little market data, which requires the reporting entity to develop its own assumptions.

This hierarchy requires the use of observable market data, when available, to minimize the use of unobservable inputs when determining fair value.  In periods in which they occur, the Partnership recognizes transfers into and out of Level 3 as of the end of the reporting period. Transfers out of Level 3 represent existing assets and liabilities that were classified previously as Level 3 for which the observable inputs became a more significant portion of the fair value estimates. Determining the appropriate classification of the Partnership’s fair value measurements within the fair value hierarchy requires management’s judgment regarding the degree to which market data is observable or corroborated by observable market data.

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The Partnership’s recurring financial assets and liabilities subject to fair value measurements and the necessary disclosures are as follows (in thousands): 

	Fair Value Measurements as of December 31, 2014
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	2,634	$	—	$	2,634	$	—
Total	$	2,634	$	—	$	2,634	$	—

	Fair Value Measurements as of March 31, 2015
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	4,440	$	—	$	4,440	$	—
Total	$	4,440	$	—	$	4,440	$	—

Fair Value of Other Financial Instruments

The following disclosure of the estimated fair value of financial instruments is made in accordance with accounting guidance for financial instruments. The Partnership has determined the estimated fair values by using available market information and valuation methodologies. Considerable judgment is required in interpreting market data to develop the estimates of fair value. The use of different market assumptions or valuation methodologies may have a material effect on the estimated fair value amounts.

At March 31, 2015, the carrying values on the unaudited condensed consolidated balance sheets for cash and cash equivalents (classified as Level 1), accounts receivable and accounts payable approximate their fair value because of their short term nature.

Based on the borrowing rates currently available to the Partnership for credit agreement debt with similar terms and maturities and consideration of the Partnership’s non-performance risk, long-term debt associated with the Partnership’s credit agreement at March 31, 2015 approximates its fair value. The fair value of the Partnership’s long-term debt was calculated using observable inputs (LIBOR for the risk free component) and unobservable company-specific credit spread information.  As such, the Partnership considers this debt to be Level 3.

11.    OPERATING SEGMENTS

The Partnership’s operations consist of four operating segments: (i) crude oil terminalling and storage services, (ii) crude oil pipeline services, (iii) crude oil trucking and producer field services, and (iv) asphalt services.  

CRUDE OIL TERMINALLING AND STORAGE SERVICES —The Partnership provides crude oil terminalling and storage services at its terminalling and storage facilities located in Oklahoma and Texas.

CRUDE OIL PIPELINE SERVICES —The Partnership owns and operates three pipeline systems, the Mid-Continent system, the East Texas system and the Eagle North System, that gather crude oil purchased by its customers and transports it to refiners, to common carrier pipelines for ultimate delivery to refiners or to terminalling and storage facilities owned by the Partnership and others. The Partnership refers to its pipeline system located in Oklahoma and the Texas Panhandle as the Mid-Continent system. It refers to its second pipeline system, which is located in Texas, as the East Texas system.  The Partnership refers to its third system, originating in Cushing, Oklahoma and terminating in Ardmore, Oklahoma, as the Eagle North system.

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CRUDE OIL TRUCKING AND PRODUCER FIELD SERVICES — The Partnership uses its owned and leased tanker trucks to gather crude oil for its customers at remote wellhead locations generally not covered by pipeline and gathering systems and to transport the crude oil to aggregation points and storage facilities located along pipeline gathering and transportation systems.  Crude oil producer field services consist of a number of producer field services, ranging from gathering condensates from natural gas companies to hauling produced water to disposal wells.

ASPHALT SERVICES —The Partnership provides asphalt product and residual fuel terminalling, storage and blending services at its 42 terminalling and storage facilities located in twenty-one states.

The Partnership’s management evaluates performance based upon segment operating margin, which includes revenues from related parties and external customers and operating expenses excluding depreciation and amortization. The non-GAAP measure of operating margin (in the aggregate and by segment) is presented in the following table. The Partnership computes the components of operating margin by using amounts that are determined in accordance with GAAP. A reconciliation of operating margin to income before income taxes, which is its nearest comparable GAAP financial measure, is included in the following table. The Partnership believes that investors benefit from having access to the same financial measures being utilized by management. Operating margin is an important measure of the economic performance of the Partnership’s core operations. This measure forms the basis of the Partnership’s internal financial reporting and is used by its management in deciding how to allocate capital resources among segments.  Income before income taxes, alternatively, includes expense items, such as depreciation and amortization, general and administrative expenses and interest expense, which management does not consider when evaluating the core profitability of the Partnership’s operations.

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The following table reflects certain financial data for each segment for the periods indicated (in thousands):  

	Three Months ended  March 31,
	2014		2015
Crude Oil Terminalling and Storage Services
Service revenue
Third party revenue	$	2,841	$	2,553
Related party revenue	4,515		3,077
Total revenue for reportable segments	7,356		5,630
Operating expense (excluding depreciation and amortization)	970		1,561
Operating margin (excluding depreciation and amortization)	6,386		4,069
Total assets (end of period)	$	67,436	$	68,859
Crude Oil Pipeline Services
Service revenue
Third party revenue	$	3,099	$	4,275
Related party revenue	1,887		2,383
Total revenue for reportable segments	4,986		6,658
Operating expense (excluding depreciation and amortization)	4,381		3,909
Operating margin (excluding depreciation and amortization)	605		2,749
Total assets (end of period)	$	164,902	$	184,061
Crude Oil Trucking and Producer Field Services
Service revenue
Third party revenue	$	13,850	$	10,682
Related party revenue	5,547		4,621
Total revenue for reportable segments	19,397		15,303
Operating expense (excluding depreciation and amortization)	16,980		14,118
Operating margin (excluding depreciation and amortization)	2,417		1,185
Total assets (end of period)	$	24,877	$	18,002
Asphalt  Services
Service revenue
Third party revenue	$	14,446	$	14,613
Related party revenue	257		152
Total revenue for reportable segments	14,703		14,765
Operating expense (excluding depreciation and amortization)	6,852		6,152
Operating margin (excluding depreciation and amortization)	7,851		8,613
Total assets (end of period)	$	97,742	$	90,979
Total operating margin (excluding depreciation and amortization)(1)	$	17,259	$	16,616

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____________________

(1)The following table reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes (in thousands):

	Three Months ended March 31,
	2014			2015
Operating margin (excluding depreciation and amortization)	$	17,259		$	16,616
Depreciation and amortization	(6,317		)	(6,646		)
General and administrative expenses	(4,487		)	(4,977		)
Asset impairment expense	—			—
Gain on sale of assets	397			304
Interest expense	(2,655		)	(4,283		)
Equity earnings (loss) in unconsolidated affiliate	(204		)	656
Income before income taxes	$	3,993		$	1,670

12.    COMMITMENTS AND CONTINGENCIES

The Partnership is from time to time subject to various legal actions and claims incidental to its business. Management believes that these legal proceedings will not have a material adverse effect on the financial position, results of operations or cash flows of the Partnership. Once management determines that information pertaining to a legal proceeding indicates that it is probable that a liability has been incurred and the amount of such liability can be reasonably estimated, an accrual is established equal to its estimate of the likely exposure.

On October 27, 2008, Keystone Gas Company (“Keystone”) filed suit against the Partnership in Oklahoma State District Court in Creek County alleging that it is the rightful owner of certain segments of the Partnership’s pipelines and related rights of way, located in Payne and Creek Counties, that the Partnership acquired from SemGroup Corporation (“SemCorp”) in connection with the Partnership’s initial public offering in 2007. Keystone seeks to quiet title to the specified rights of way and pipelines and seeks damages up to the net profits derived from the disputed pipelines. There has been no determination of the extent of potential damages for the Partnership’s use of such pipelines. The Partnership has filed a counterclaim against Keystone alleging that it is wrongfully using a segment of a pipeline that is owned by the Partnership in Payne and Creek Counties. The Partnership intends to vigorously defend these claims. No trial date has been set by the court. The parties are engaged in discovery as well as settlement negotiations. The Partnership believes any settlement will not have a material adverse effect on the Partnership's financial condition or results of operations.

On February 6, 2012, the Partnership filed suit against SemCorp and others in Oklahoma County District Court. In the suit, the Partnership is seeking a judgment that SemCorp immediately return approximately 140,000 barrels of crude oil linefill belonging to the Partnership, and the Partnership is seeking judgment in an amount in excess of $75,000 for actual damages, special damages, punitive damages, pre-judgment interest, reasonable attorney’s fees and costs, and such other relief that the Court deems equitable and just. On March 22, 2012, SemCorp filed a motion to dismiss and transfer to Tulsa County.  On April 18, 2012, SemCorp filed a motion for summary judgment, and, on May 1, 2012, the District Court of Oklahoma County ordered a transfer to Tulsa County.  The Partnership contested SemCorp’s motion for summary judgment, which was referred to a Special Master for report and recommendation.  On June 10, 2013, the Special Master filed a report with the District Court of Tulsa County, finding a shortage in the Partnership’s Cushing Terminal and Oklahoma pipeline system of approximately 148,000 barrels and an excess of approximately 130,000 in SemCorp’s physical inventory. The Special Master noted that she was unable to more precisely trace the shortage and length (excess held by SemCorp) due to the manner in which SemCorp operated the Cushing Terminal and maintained related records. On June 25, 2013, the Partnership filed a notice of non-objection and motion to adopt the Special Master’s report, which was granted on February 12, 2014. On September 17, 2013, the Partnership filed a motion for summary judgment as to the liability of SemCorp for the Partnership’s claims for breach of contract and negligence by a bailee.  On October 7, 2013, SemCorp renewed its motion for summary judgment, which the Partnership timely opposed.  On February 20, 2014, the Court denied summary judgment motions of both SemCorp and the Partnership. The Court allowed for additional discovery to take place and referred all discovery matters to the Special Master, as appropriate, and made other procedural rulings. The Partnership reasserted its fraud claims in accordance with the Court’s directives. Discovery proceedings continue and the Partnership has determined that SemCorp knew of its excess inventory and sold this inventory during the period prior to the Partnership's filing of the lawsuit while denying that the Partnership claims had any validity and failing to disclose the excess to the Partnership. The Partnership intends to seek additional damages from SemCorp related to various injuries to the Partnership as a result of SemCorp’s refusal to return the Partnership’s crude oil or to pay the Partnership for the fair market value of the missing oil. 

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On November 1, 2014, a multi-vehicular accident occurred resulting in the death of an employee of the Partnership and allegations of injuries to third parties and injury to property. Litigation has been filed by injured third parties. The matter has been submitted to the Partnership’s insurance carriers and the retentions have been reserved. The ultimate outcome of this matter cannot be determined at this time.

On February 13, 2015, a multi-vehicular accident occurred resulting in injury to third parties and two employees of the Partnership as well as property damage. Litigation has been filed by injured third parties. The matter has been submitted to the Partnership’s insurance carriers and the retentions have been reserved. The ultimate outcome of this matter cannot be determined at this time.

The Partnership may become the subject of additional private or government actions regarding these matters in the future.  Litigation may be time-consuming, expensive and disruptive to normal business operations, and the outcome of litigation is difficult to predict.  The defense of these lawsuits may result in the incurrence of significant legal expense, both directly and as the result of the Partnership’s indemnification obligations.  The litigation may also divert management’s attention from the Partnership’s operations which may cause its business to suffer.  An unfavorable outcome in any of these matters may have a material adverse effect on the Partnership’s business, financial condition, results of operations, cash flows, ability to make distributions to its unitholders, the trading price of the Partnership’s common units and its ability to conduct its business. All or a portion of the defense costs and any amount the Partnership may be required to pay to satisfy a judgment or settlement of these claims may or may not be covered by insurance.

The Partnership has contractual obligations to perform dismantlement and removal activities in the event that some of its asphalt product and residual fuel oil terminalling and storage assets are abandoned. These obligations include varying levels of activity including completely removing the assets and returning the land to its original state. The Partnership has determined that the settlement dates related to the retirement obligations are indeterminate. The assets with indeterminate settlement dates have been in existence for many years and with regular maintenance will continue to be in service for many years to come. Also, it is not possible to predict when demands for the Partnership’s terminalling and storage services will cease, and the Partnership does not believe that such demand will cease for the foreseeable future.  Accordingly, the Partnership believes the date when these assets will be abandoned is indeterminate. With no reasonably determinable abandonment date, the Partnership cannot reasonably estimate the fair value of the associated asset retirement obligations.  Management believes that if the Partnership’s asset retirement obligations were settled in the foreseeable future the potential cash flows that would be required to settle the obligations based on current costs are not material.  The Partnership will record asset retirement obligations for these assets in the period in which sufficient information becomes available for it to reasonably determine the settlement dates.

13.    INCOME TAXES

The anticipated after-tax economic benefit of an investment in the Partnership’s units depends largely on the Partnership being treated as a partnership for federal income tax purposes. If less than 90% of the gross income of a publicly traded partnership, such as the Partnership, for any taxable year is “qualifying income” from sources such as the transportation, marketing (other than to end users), or processing of crude oil, natural gas or products thereof, interest, dividends or similar sources, that partnership will be taxable as a corporation under Section 7704 of the Internal Revenue Code for federal income tax purposes for that taxable year and all subsequent years.

If the Partnership were treated as a corporation for federal income tax purposes, then it would pay federal income tax on its income at the corporate tax rate, which is currently a maximum of 35%, and would likely pay state income tax at varying rates. Distributions would generally be taxed again to unitholders as corporate distributions and none of the Partnership’s income, gains, losses, deductions or credits would flow through to its unitholders. Because a tax would be imposed upon the Partnership as an entity, cash available for distribution to its unitholders would be substantially reduced. Treatment of the Partnership as a corporation would result in a material reduction in the anticipated cash flow and after-tax return to unitholders and thus would likely result in a substantial reduction in the value of the Partnership’s units.

The Partnership has entered into storage contracts and leases with third party customers with respect to substantially all of its asphalt facilities. At the time of entering into such agreements, it was unclear under current tax law as to whether the rental income from the leases, and the fees attributable to certain of the processing services the Partnership provides under certain of the storage contracts, constitute “qualifying income.” In the second quarter of 2009, the Partnership submitted a request for a ruling from the IRS that rental income from the leases constitutes “qualifying income.” In October 2009, the Partnership received a favorable ruling from the IRS. As part of this ruling, however, the Partnership agreed to transfer, and has transferred, certain of its asphalt processing assets and related fee income to a subsidiary taxed as a corporation. This transfer occurred in the first quarter of 2010.  Such subsidiary is required to pay federal income tax on its income at the corporate tax rate, which is currently a maximum of 35%, and will likely pay state (and possibly local) income tax at varying rates. Distributions from this

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subsidiary will generally be taxed again to unitholders as corporate distributions and none of the income, gains, losses, deductions or credits of this subsidiary will flow through to the Partnership’s unitholders.

In relation to the Partnership’s taxable subsidiary, the tax effects of temporary differences between the tax basis of assets and liabilities and their financial reporting amounts at March 31, 2015 are presented below (dollars in thousands):

Deferred tax assets
Difference in bases of property, plant and equipment	$	933
Deferred tax asset	933
Less: valuation allowance	(933		)
Net deferred tax asset	$	—

The Partnership has considered the taxable income projections in future years, whether the carryforward period is so brief that it would limit realization of tax benefits, whether future revenue and operating cost projections will produce enough taxable income to realize the deferred tax asset based on existing service rates and cost structures, and the Partnership’s earnings history exclusive of the loss that created the future deductible amount for the Partnership’s subsidiary that is taxed as a corporation for purposes of determining the likelihood of realizing the benefits of the deferred tax assets. As a result of the Partnership’s consideration of these factors, the Partnership has provided a full valuation allowance against its deferred tax asset as of March 31, 2015.

14.    RECENTLY ISSUED ACCOUNTING STANDARDS

In April 2014, the FASB issued ASU 2014-08, “Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity.” The amendments in this update change the criteria for reporting discontinued operations for all public and nonpublic entities. The amendments also require new disclosures about discontinued operations and disposals of components of an entity that do not qualify for discontinued operations reporting. The amendments in this update are effective for fiscal years, and interim periods within those years, beginning after December 15, 2014. The Partnership adopted this update for the period ending March 31, 2015, and there was no impact on the Partnership’s financial position, results of operations or cash flows.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers.” The amendments in this update create Topic 606, Revenue from Contracts with Customers, and supersede the revenue recognition requirements in Topic 605, Revenue Recognition, including most industry-specific revenue recognition guidance throughout the Industry Topics of the Codification. In addition, the amendments supersede the cost guidance in Subtopic 605-35, Revenue Recognition-Construction-Type and Production-Type Contracts, and create new Subtopic 340-40, Other Assets and Deferred Costs-Contracts with Customers. In summary, the core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amendments in this update are effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership’s quarterly report for the period ending March 31, 2018.

In August 2014, the FASB issued ASU 2014-15, “Presentation of Financial Statements - Going Concern.” The update provides U.S. GAAP guidance on management’s responsibility in evaluating whether there is substantial doubt about a company’s ability to continue as a going concern and about related footnote disclosures. For each reporting period, management will be required to evaluate whether there are conditions or events that raise substantial doubt about a company’s ability to continue as a going concern within one year from the date the financial statements are issued. The amendments in this update are effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership's annual report for the period ending December 31, 2016.

On April 7, 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs”,which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. This update is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership's quarterly report for the period ending March 31, 2016.

Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

As used in this quarterly report, unless we indicate otherwise: (1) “Blueknight Energy Partners,” “our,” “we,” “us” and similar terms refer to Blueknight Energy Partners, L.P., together with its subsidiaries, (2) our “General Partner” refers to Blueknight Energy Partners G.P., L.L.C., (3) Vitol refers to Vitol Holding B.V., its affiliates and subsidiaries (other than our General Partner and us) and (4) Charlesbank refers to Charlesbank Capital Partners, LLC, its affiliates and subsidiaries (other than our General Partner and us).  The following discussion analyzes the historical financial condition and results of operations of the Partnership and should be read in conjunction with our financial statements and notes thereto, and Management’s Discussion and Analysis of Financial Condition and Results of Operations presented in our Annual Report on Form 10-K for the year ended December 31, 2014, which was filed with the Securities and Exchange Commission (the “SEC”) on March 11, 2015 (the “2014 Form 10-K”). 

Forward-Looking Statements

This report contains forward-looking statements.  Statements included in this quarterly report that are not historical facts (including any statements regarding plans and objectives of management for future operations or economic performance, or assumptions or forecasts related thereto), including, without limitation, the information set forth in this Management’s Discussion and Analysis of Financial Condition and Results of Operations, are forward-looking statements. These statements can be identified by the use of forward-looking terminology including “may,” “will,” “should,” “believe,” “expect,” “intend,” “anticipate,” “estimate,” “continue,” or other similar words. These statements discuss future expectations, contain projections of results of operations or of financial condition, or state other “forward-looking” information. We and our representatives may from time to time make other oral or written statements that are also forward-looking statements.

Such forward-looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from those anticipated as of the date of the filing of this report. Although we believe that the expectations reflected in these forward-looking statements are based on reasonable assumptions, no assurance can be given that these expectations will prove to be correct. Important factors that could cause our actual results to differ materially from the expectations reflected in these forward-looking statements include, among other things, those set forth in “Part I, Item 1A. Risk Factors” in the 2014 Form 10-K.

All forward-looking statements included in this report are based on information available to us on the date of this report. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. All subsequent written and oral forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements contained throughout this report.

Overview

We are a publicly traded master limited partnership with operations in twenty-two states. We provide integrated terminalling, storage, gathering and transportation services for companies engaged in the production, distribution and marketing of crude oil and liquid asphalt cement.  We manage our operations through four operating segments: (i) crude oil terminalling and storage services, (ii) crude oil pipeline services, (iii) crude oil trucking and producer field services, and (iv) asphalt services.  

Potential Impact of Recent Crude Oil Market Price Changes on Future Revenues

From August 2014 to March 2015, the market price of West Texas Intermediate crude oil has decreased nearly 50%, from approximately $100 per barrel to approximately $50 per barrel. In addition, during the fourth quarter of 2014, the West Texas Intermediate crude oil forward price curve changed from a backwardated curve (in which the current crude oil price per barrel is higher than the future price per barrel and a premium is placed on delivering product to market and selling as soon as possible) to a contango curve (in which future prices are higher than current prices and a premium is placed on storing product and selling at a later time). We expect this price and curve change to have the following near-term impacts on our operating segments as follows:

Crude Oil Terminalling and Storage Services - A contango crude oil curve tends to favor the crude oil storage business as crude oil marketers are incentivized to store crude oil during the current month and sell into the future month. In September 2014, we had approximately 4.8 million barrels of storage with contracts that had expired or would expire between September 30, 2014 and May 31, 2015. As a result of the decrease in the crude oil price and change in the crude oil curve, we have been

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able to: (1) renew expiring contracts at average rates higher than those in place at September 30, 2014, (2) increase our weighted average remaining contract term to 18 months at March 31, 2015 as compared to 9 months at September 30, 2014 and (3) increase customer diversity by the addition of two new customers, as a result of which storage capacity leased by Vitol is expected to decrease from nearly two-thirds of our Cushing storage at September 30, 2014 to one-third beginning in the second quarter of 2015.

Asphalt Services - The asphalt industry tends to benefit from a lower crude oil price environment and strong economy. We expect our asphalt services customers to acquire and store additional asphalt product in the lower crude oil price environment (which tends to correlate somewhat with asphalt prices), and we expect that municipalities will be able to purchase more product due to the lower price of asphalt. As a result, we expect increased product throughput at our facilities in the near term, which may ultimately increase the revenues generated by our asphalt services operating segment.

Crude Oil Pipeline Services - We do not currently expect the recent crude oil price changes to have a significant impact on our crude oil pipeline services operating segment as a significant portion of the capacity of our Mid-Continent and Eagle North systems are contracted under throughput and deficiency agreements. In addition, throughput volume on the Pecos River Pipeline, in which we have a 30% equity ownership interest, is expected to continue to increase in 2015.

Crude Oil Trucking and Producer Field Services - We may experience downward rate pressure in our trucking and producer field services business as producers and marketers attempt to renegotiate service rates to preserve their operating margins. This operating segment may be negatively impacted in the longer term if lower crude oil prices are sustained and result in decreased crude oil production and demand for crude oil transportation services.

Recent Events

A time line of certain recent events is set forth below.

• August 6, 2014 - We announced our intention to build the Knight Warrior Pipeline, which will link the emerging East Texas Woodbine/Eaglebine crude oil resource play to Oiltanking Houston, a crude oil and product terminal on the Houston Ship Channel, owned and operated by Oiltanking Partners, L.P.

• August 29, 2014 - We entered into a Crude Oil Throughput and Deficiency Agreement with Eaglebine Crude Oil Marketing LLC, a joint venture partly owned by Vitol Inc., effective as of August 28, 2014, pursuant to which we will provide certain crude oil transportation services on the Knight Warrior Pipeline for Eaglebine Crude.

• September 15, 2014 - We amended our credit facility to, among other things, amend the maximum permitted consolidated total leverage ratio and to increase the limit on material project adjustments to EBITDA (as defined in the credit agreement).

• September 22, 2014 - We issued and sold 9,775,000 common units for a public offering price of $7.61 per unit, resulting in proceeds of approximately $71.2 million, net of underwriters’ discount and offering expenses of $3.2 million.

Our Revenues

Our revenues consist of (i) terminalling and storage revenues, (ii) gathering, transportation and producer field services revenues and (iii) fuel surcharge revenues. For the three months ended March 31,2015, we derived approximately $9.9 million and $0.3 million of our revenues from services we provided to Vitol and Advantage Pipeline L.L.C. (“Advantage Pipeline”), respectively, with the remainder of our services being provided to third parties.

Terminalling and storage revenues consist of (i) storage service fees from actual storage used on a month-to-month basis; (ii) storage service fees resulting from short-term and long-term contracts for committed space that may or may not be utilized by the customer in a given month; and (iii) terminal throughput service charges to pump crude oil to connecting carriers or to deliver asphalt product out of our terminals. Terminal throughput service charges are recognized as the crude oil exits the terminal and is delivered to the connecting crude oil carrier or third-party terminal and as the asphalt product is delivered out of our terminal. Storage service revenues are recognized as the services are provided on a monthly basis. We earn terminalling and storage revenues in two of our segments: (i) crude oil terminalling and storage services and (ii) asphalt services.

As of May 1, 2015, we had approximately 5.9 million barrels of crude oil storage under service contracts with remaining terms ranging from two months to 24 months, including 0.9 million barrels of crude oil storage contracts that expire in 2015.

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Storage contracts with Vitol represent 2.4 million barrels of crude oil storage capacity under contract. We are in negotiations to either extend contracts with existing customers or enter into new customer contracts for the storage capacity expiring in 2015; however, there is no certainty that we will have success in contracting available capacity or that extended or new contracts will be at the same or similar rates as the expiring contracts. If we are unable to renew the majority of the expiring storage contracts, we may experience lower utilization of our assets which could have a material adverse effect on our business, cash flows, ability to make distributions to our unitholders, the price of our common units, results of operations and ability to conduct our business.

We have leases and storage agreements with third party customers for all of our 42 asphalt facilities.  The majority of the leases and storage agreements related to these facilities have terms that expire between the end of 2016 and the end of 2018.  We operate the asphalt facilities pursuant to the storage agreements while our contract counterparties operate the asphalt facilities that are subject to the lease agreements.

Gathering and transportation services revenues consist of service fees recognized for the gathering of crude oil for our customers and the transportation of crude oil to refiners, to common carrier pipelines for ultimate delivery to refiners or to terminalling and storage facilities owned by us and others. Revenue for the gathering and transportation of crude oil is recognized when the service is performed and is based upon regulated and non-regulated tariff rates and the related transport volumes.  Producer field services revenue consists of a number of services ranging from gathering condensates from natural gas producers to hauling produced water to disposal wells.  Revenue for producer field services is recognized when the service is performed. We earn gathering and transportation revenues in two of our segments: (i) crude oil pipeline services and (ii) crude oil trucking and producer field services.

During the three months ended March 31,2015, we transported approximately 44,000 barrels per day on our pipelines as compared to 49,000 barrels per day during the three months ended March 31,2014. Vitol accounted for 34% and 28% of volumes transported in our pipelines in the three months ended March 31,2015 and 2014, respectively.

For the three months ended March 31,2015, we transported approximately 58,000 barrels per day on our crude oil transport trucks, a decrease of 16% as compared to the three months ended March 31,2014. Vitol accounted for approximately 44% and 43% of volumes transported by our crude oil transport trucks in the three months ended March 31,2015 and 2014, respectively.

Fuel surcharge revenues are comprised of revenues recognized for the reimbursement of fuel and power consumed to operate our asphalt product storage tanks and terminals.  We recognize fuel surcharge revenues in the period in which the related fuel and power expenses are incurred.

Income Taxes

As part of the process of preparing the unaudited consolidated financial statements, we are required to estimate the federal and state income taxes in each of the jurisdictions in which our subsidiary that is taxed as a corporation operates. This process involves estimating the actual current tax exposure together with assessing temporary differences resulting from differing treatment of items, such as depreciation, for tax and accounting purposes. These differences result in deferred tax assets and liabilities, which are included in our consolidated balance sheet. We must then assess, using all available positive and negative evidence, the likelihood that the deferred tax assets will be recovered from future taxable income. Unless we believe that recovery is more likely than not, we must establish a valuation allowance. To the extent we establish a valuation allowance or increase or decrease this allowance in a period, we must include an expense or reduction of expense within the tax provisions in the consolidated statement of operations.

Under ASC 740 – Accounting for Income Taxes, an enterprise must use judgment in considering the relative impact of negative and positive evidence. The weight given to the potential effect of negative and positive evidence should be commensurate with the extent to which it can be objectively verified. The more negative evidence that exists (a) the more positive evidence is necessary and (b) the more difficult it is to support a conclusion that a valuation allowance is not needed for some portion or all of the deferred tax asset. Among the more significant types of evidence that we consider are:

• taxable income projections in future years,

• whether the carryforward period is so brief that it would limit realization of tax benefits,

• future revenue and operating cost projections that will produce more than enough taxable income to realize the deferred tax asset based on existing service rates and cost structures, and

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• our earnings history exclusive of the loss that created the future deductible amount coupled with evidence indicating that the loss is an aberration rather than a continuing condition.

Based on the consideration of the above factors for our subsidiary that is taxed as a corporation for purposes of determining the likelihood of realizing the benefits of the deferred tax assets, we have provided a full valuation allowance against our deferred tax asset as of March 31, 2015.

Distributions

The amount of distributions we pay and the decision to make any distribution is determined by the Board, which has broad discretion to establish cash reserves for the proper conduct of our business and for future distributions to our unitholders. In addition, our cash distribution policy is subject to restrictions on distributions under our credit facility. 

On April 21, 2015, the Board approved a distribution of $0.17875 per preferred unit, or a total distribution of $5.4 million, for the quarter ending March 31, 2015.  We will pay this distribution on the preferred units on May 15, 2015 to unitholders of record as of May 5, 2015.

In addition, on April 21, 2015, the Board approved a cash distribution of $0.1395 per unit on our outstanding common units. The distribution will be paid on May 15, 2015 to unitholders of record on May 5, 2015. The distribution is for the three months ended March 31,2015. The total distribution to be paid is approximately $5.0 million, with approximately $4.6 million and less than $0.3 million paid to our common unitholders and general partner, respectively, and $0.1 million paid to holders of phantom and restricted units pursuant to awards granted under the our long-term incentive plan.

Results of Operations

Non-GAAP Financial Measures

To supplement our financial information presented in accordance with GAAP, management uses additional measures that are known as “non-GAAP financial measures” in its evaluation of past performance and prospects for the future.  The primary measure used by management is operating margin excluding depreciation and amortization.

Management believes that the presentation of such additional financial measures provides useful information to investors regarding our performance and results of operations because these measures, when used in conjunction with related GAAP financial measures, (i) provide additional information about our core operating performance and ability to generate and distribute cash flow, (ii) provide investors with the financial analytical framework upon which management bases financial, operational, compensation and planning decisions and (iii) present measurements that investors, rating agencies and debt holders have indicated are useful in assessing us and our results of operations. These additional financial measures are reconciled to the most directly comparable measures as reported in accordance with GAAP, and should be viewed in addition to, and not in lieu of, our unaudited consolidated financial statements and footnotes. 

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The table below summarizes our financial results for the three months ended March 31,2014 and 2015, reconciled to the most directly comparable GAAP measure: 

Operating Results	Three Months ended March 31,						Favorable/(Unfavorable)
(in thousands)	2014			2015			$		%
Operating Margin, excluding depreciation and amortization
Crude oil terminalling and storage operating margin	$	6,386		$	4,069		(2,317	)	(36	)%
Crude oil pipeline services operating margin	605			2,749			2,144		354	%
Crude oil trucking and producer field services operating margin	2,417			1,185			(1,232	)	(51	)%
Asphalt services operating margin	7,851			8,613			762		10	%
Total operating margin, excluding depreciation and amortization	17,259			16,616			(643	)	(4	)%
Depreciation and amortization	(6,317		)	(6,646		)	(329	)	(5	)%
General and administrative expense	(4,487		)	(4,977		)	(490	)	(11	)%
Gain on sale of assets	397			304			(93	)	(23	)%
Operating income	6,852			5,297			(1,555	)	(23	)%
Other income (expense)
Equity earnings (loss) in unconsolidated entity	(204		)	656			860		422	%
Interest expense	(2,655		)	(4,283		)	(1,628	)	(61	)%
Income tax expense	(101		)	(91		)	10		10	%
Net income	$	3,892		$	1,579		(2,313	)	(59	)%

Total operating margin excluding depreciation and amortization decreased from 2014 to 2015 due to several factors, including decreases in our crude oil terminalling and storage segment resulting from the timing of storage contract expiration and renewals and decreases in revenue per barrel hauled in our trucking and producer field services segment.

A more detailed analysis of changes in operating margin by segment follows.

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Analysis of Operating Segments

Crude oil terminalling and storage services segment

Our crude oil terminalling and storage segment operations generally consist of fee-based activities associated with providing storage, terminalling and throughput services for crude oil. Revenue is generated through short- and long-term storage contracts.

The following table sets forth our operating results from our crude oil terminalling and storage segment for the periods indicated:

Operating results	Three Months ended March 31,				Favorable/(Unfavorable)
(dollars in thousands)	2014		2015		$		%
Revenue
Third Party Revenue	$	2,841	$	2,553	(288	)	(10	)%
Related Party Revenue	4,515		3,077		(1,438	)	(32	)%
Total Revenue	7,356		5,630		(1,726	)	(23	)%
Operating Expense (excluding depreciation and amortization)	970		1,561		(591	)	(61	)%
Operating Margin (excluding depreciation and amortization)	$	6,386	$	4,069	(2,317	)	(36	)%
Average crude oil stored per month at our Cushing terminal (in thousands of barrels)	3,200		4,400		1,200		38	%
Average crude oil delivered to our Cushing terminal (in thousands of barrels per day)	111		126		15		14	%

The following is a discussion of items impacting crude oil terminalling and storage segment operating margin for the periods indicated:

• Revenues have decreased due to the timing of storage contract renewals. As contracts were expiring early in 2014, the rates at which we recontracted storage at the Cushing Interchange were impacted by a backwardated market for West Texas Intermediate crude which led to a decrease in average rates for the comparative three month periods. However, in the fourth quarter of 2014, the market for West Texas Intermediate crude oil returned to contango in which future prices are higher than current prices. This has increased demand for storage services at the Cushing Interchange resulting in an upward trend in storage rates. Due to the timing of the expiration of historical contracts and the execution of new storage contracts, the impact of the increase in storage rates will not occur until the second quarter of 2015.

• As of May 1, 2015, we have approximately 5.9 million barrels of crude oil storage under service contracts with remaining terms of up to 24 months, including 0.9 million barrels of crude oil storage contracts that expire in 2015. Storage contracts with Vitol represent 2.4 million barrels of crude oil storage capacity under contract.

• Operating expenses for the three months ended March 31, 2015 were higher as compared to the three months ended March 31, 2014 primarily as a result of the timing of tank inspections and related maintenance and repair as well as an increase in the percentage of total corporate shared services costs incurred by the crude oil terminalling and storage services segment.

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Crude oil pipeline services segment

Our crude oil pipeline services segment operations generally consist of fee-based activity associated with transporting crude oil products on pipelines. Revenues are generated primarily through tariffs and other transportation fees.

The following table sets forth our operating results from our crude oil pipeline services segment for the periods indicated:

Operating results	Three Months ended March 31,				Favorable/(Unfavorable)
(dollars in thousands)	2014		2015		$		%
Revenue
Third Party Revenue	$	3,099	$	4,275	1,176		38	%
Related Party Revenue	1,887		2,383		496		26	%
Total Revenue	4,986		6,658		1,672		34	%
Operating Expense (excluding depreciation and amortization)	4,381		3,909		472		11	%
Operating Margin (excluding depreciation and amortization)	$	605	$	2,749	2,144		354	%
Average throughput volume (in thousands of barrels per day)
Mid-Continent	20		22		2		10	%
Eagle North	12		5		(7	)	(58	)%
East Texas	17		17		—		—	%

The following is a discussion of items impacting crude oil pipeline services segment operating margin for the periods indicated:

• Revenues have increased due primarily to increased volumes on our Mid-Continent system related to the Arbuckle pipeline system. Also impacting revenues is an increased tariff being charged through June of 2015 on certain barrels transported on our East Texas pipeline system under a throughput and deficiency agreement. The tariff will return to a lower rate after the second quarter of 2015, which will decrease the total revenues generated on the East Texas pipeline system.

• Operating expenses have decreased as a result of lower overall maintenance and repair costs as well as a decrease in the percentage of total corporate shared services costs incurred by the pipeline services segment.

• Average throughput on our Eagle North pipeline system was lower in the three months ended March 31, 2015 as compared to the three months ended March 31, 2014 as a result of a customer’s refinery being in turnaround. We anticipate volumes returning to historical averages in the near term.

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Crude oil trucking and producer field services segment

Our crude oil trucking and producer field services segment operations generally consist of fee-based activity associated with transporting crude oil products on trucks. Revenues are generated primarily through transportation fees.

The following table sets forth our operating results from our crude oil trucking and producer field services segment for the periods indicated:

Operating results	Three Months ended March 31,				Favorable/(Unfavorable)
(dollars in thousands)	2014		2015		$		%
Revenue
Third Party Revenue	$	13,850	$	10,682	(3,168	)	(23	)%
Related Party Revenue	5,547		4,621		(926	)	(17	)%
Total Revenue	19,397		15,303		(4,094	)	(21	)%
Operating Expense (excluding depreciation and amortization)	16,980		14,118		2,862		17	%
Operating Margin (excluding depreciation and amortization)	$	2,417	$	1,185	(1,232	)	(51	)%
Average volume (in thousands of barrels per day)	69		58		(11	)	(16	)%

The following is a discussion of items impacting crude oil trucking and producer field services segment operating margin for the periods indicated:

• Our operating margin declined in in the first quarter of 2015 primarily due to lower crude oil prices, an increase in pipeline connected barrels and a decrease in the average distance barrels were hauled for our customers which impacted our overall rate per barrel charged and operating margin.

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Asphalt services segment

Our asphalt services segment operations generally consist of fee-based activities associated with providing storage, terminalling and throughput services for asphalt product and residual fuel oil. Revenue is generated through short- and long-term storage contracts.

The following table sets forth our operating results from our asphalt services segment for the periods indicated:

Operating results	Three Months ended March 31,				Favorable/(Unfavorable)
(dollars in thousands)	2014		2015		$		%
Revenue
Third Party Revenue	$	14,446	$	14,613	167		1	%
Related Party Revenue	257		152		(105	)	(41	)%
Total Revenue	14,703		14,765		62		—	%
Operating Expense (excluding depreciation and amortization)	6,852		6,152		700		10	%
Operating Margin (excluding depreciation and amortization)	$	7,851	$	8,613	762		10	%

The following is a discussion of items impacting asphalt services segment operating margin for the periods indicated:

• Related party revenues decreased due to lower overall contracted storage from short-term spot contracts during the three months ended March 31, 2015 as compared to the three months ended March 31, 2014.

• The decrease in operating expenses in the three months ended March 31, 2015 as compared to the three months ended March 31,2014 is primarily attributable to the timing of maintenance and repair partially offset by increased rent expense as well as a decrease in the percentage of total corporate shared services costs incurred by the asphalt services segment.

Other Income and Expenses

Depreciation and amortization. Depreciation and amortization increased by $0.3 million to $6.6 million for the three months ended March 31,2015 compared to $6.3 million for the three months ended March 31,2014. This increase is primarily due to maintenance capital expenditures made throughout 2014 and the first quarter of 2015.

General and administrative expenses.  General and administrative expenses increased by $0.4 million to $4.9 million for the three months ended March 31,2015 compared to $4.5 million for the three months ended March 31,2014. This increase is primarily attributable to employee compensation-related expenses. We do not anticipate material changes in general and administrative expenses for the remainder of 2015.

Gain on sale of assets. Gain on sale of assets was $0.3 million for the three months ended March 31,2015 compared to $0.4 million for the three months ended March 31,2014. Gains in both periods are primarily comprised of sales of surplus, used property and equipment.

Equity earnings (loss) in unconsolidated affiliate. The equity earnings (loss) is attributed to our investment in Advantage Pipeline. Losses of $0.2 million in the first quarter of 2014 are the result of expenses incurred during the construction phase of the Pecos River Pipeline. During the three months ended March 31,2015, equity earnings of $0.7 million were realized as a result of increased throughput on the pipeline due to the completion of the Crane West station in the second quarter of 2014.

Interest expense. Interest expense represents interest on borrowings under our credit facility as well as amortization of debt issuance costs and unrealized gains and losses related to the change in fair value of interest rate swaps. Total interest expense for the three months ended March 31,2015 increased by $1.6 million compared to the three months ended March 31,2014. During the three months ended March 31,2015, we recorded unrealized losses due to the change in fair value of interest rate swaps of $1.8 million, and we also incurred interest expense in connection with settlement payments under our interest rate swap agreements of $0.6 million. During the three months ended March 31, 2014, we recorded unrealized losses due to the change in fair value of interest rate swaps of $0.4 million. The interest rate swap agreements were entered into during the first quarter of 2014. This increase in interest expense was partially offset by a decrease in interest on our credit facility of $0.5 million due to decreases in our average debt outstanding and weighted average interest rate.

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Effects of Inflation

In recent years, inflation has been modest and has not had a material impact upon the results of our operations.

Off Balance Sheet Arrangements

We do not have any off-balance sheet arrangements as defined by Item 303 of Regulation S-K.

Liquidity and Capital Resources

Cash Flows and Capital Expenditures

The following table summarizes our sources and uses of cash for the three months ended March 31,2014 and 2015: 

	Three Months ended  March 31,
	2014			2015
	(in millions)
Net cash provided by operating activities	$	6.2		$	4.1
Net cash used in investing activities	(7.4		)	(1.7		)
Net cash used in financing activities	(1.1		)	(2.6		)

Operating Activities.  Net cash provided by operating activities was $4.1 million for the three months ended March 31,2015, as compared to $6.2 million for the three months ended March 31,2014.  The decrease in cash provided by operating activities is primarily the result of a reduction in operating income and changes in working capital.

Investing Activities.  Net cash used in investing activities was $1.7 million for the three months ended March 31,2015, as compared to $7.4 million for the three months ended March 31,2014.  Capital expenditures for the three months ended March 31,2015 and 2014 included maintenance capital expenditures of $1.9 million and $2.1 million, respectively, and expansion capital expenditures of $4.5 million and $5.8 million, respectively. The three months ended March 31,2015 also included $1.9 million in distributions received from Advantage Pipeline and $2.4 million in proceeds related to the sale of 30,393 Class A Common Units of SemCorp we received in November 2014 in connection with the settlement of two unsecured claims we filed in connection with SemCorp's predecessor's bankruptcy filing in 2008.

Financing Activities.  Net cash used in financing activities was $2.6 million for the three months ended March 31,2015, as compared to $1.1 million for the three months ended March 31,2014.  Cash used in financing activities for the three months ended March 31,2015 consisted primarily of $10.2 million in distributions to our unitholders and net borrowings on long term debt of $8.0 million.  Financing activities for the three months ended March 31,2014 consisted primarily of $8.5 million in distributions to our unitholders and net borrowings of $8.0 million.

Our Liquidity and Capital Resources

Cash flow from operations and our credit facility are our primary sources of liquidity. At March 31, 2015, we had a working capital surplus of $3.8 million. At March 31, 2015, we had approximately $175.1 million of availability under our revolving credit facility, although our ability to borrow such funds may be limited by the financial covenants in our credit facility.  As of March 31, 2015, we could borrow up to $327.0 million, or an additional $102.1 million, under our credit facility within our covenant restrictions. As of May 1, 2015, we have aggregate unused commitments under our revolving credit facility of approximately $168.1 million and cash on hand of approximately $1.4 million.  The credit agreement will mature on June 28, 2018, and all amounts will become due and payable on such date.  See the caption “Debt” in Note 4 to our unaudited consolidated financial statements for further details.

Capital Requirements. Our capital requirements consist of the following:

• maintenance capital expenditures, which are capital expenditures made to maintain the existing integrity and operating capacity of our assets and related cash flows, further extending the useful lives of the assets; and

• expansion capital expenditures, which are capital expenditures made to expand or to replace partially or fully depreciated assets or to expand the operating capacity or revenue of existing or new assets, whether through construction, acquisition or modification.

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Expansion capital expenditures for organic growth projects totaled $4.5 million in the three months ended March 31,2015 compared to $5.8 million in the three months ended March 31,2014.  We currently expect our expansion capital expenditures for organic growth projects to be approximately $100.0 million to $150.0 million for all of 2015.  Maintenance capital expenditures totaled $1.9 million in the three months ended March 31,2015 compared to $1.0 million, net of reimbursable expenditures of $1.1 million, in the three months ended March 31,2014.  There were no reimbursable capital expenditures in the three months ended March 31, 2015. We currently expect maintenance capital expenditures to be approximately $10.0 million to $12.0 million, net of reimbursable expenditures, for all of 2015.

Our Ability to Grow Depends on Our Ability to Access External Expansion Capital. Our partnership agreement requires that we distribute all of our available cash to our unitholders. Available cash is reduced by cash reserves established by our General Partner to provide for the proper conduct of our business (including for future capital expenditures) and to comply with the provisions of our credit facility.  We may not grow as quickly as businesses that reinvest their available cash to expand ongoing operations because we distribute all of our available cash. 

Contractual Obligations. A summary of our contractual cash obligations over the next several fiscal years, as of March 31, 2015, is as follows: 

	Payments Due by Period
Contractual Obligations	Total		Less than 1 year		1-3 years		4-5 years		More than 5 years
	(in millions)
Debt obligations(1)	$	246.3	$	6.8	$	13.7	$	225.8	$	—
Operating lease obligations	20.5		6.1		8.2		4.7		1.5
Employee contract obligations(2)	0.1		0.1		—		—		—

____________________

(1) Represents required future principal repayments of borrowings of $224.0 million and variable rate interest payments of $22.3 million.  At March 31, 2015, our borrowings had an interest rate of approximately 3.41%. This interest rate was used to calculate future interest payments.  All amounts outstanding under our credit agreement mature in June 2018.  

(2) Represents required future payments related to employment agreements with certain employees.

Recent Accounting Pronouncements

For information regarding recent accounting developments that may affect our future financial statements, see Note 14 to our unaudited consolidated financial statements.

Item 3.    Quantitative and Qualitative Disclosures about Market Risk

We are exposed to market risk due to variable interest rates under our credit facility.

As of May 1, 2015, we had $231.0 million outstanding under our credit facility that was subject to a variable interest rate.  Borrowings under our credit agreement bear interest, at our option, at either the reserve adjusted eurodollar rate (as defined in the credit agreement) plus an applicable margin or the alternate base rate (the highest of the agent bank’s prime rate, the federal funds effective rate plus 0.5%, and the 30-day eurodollar rate plus 1%) plus an applicable margin. Interest rate swap agreements are used to manage a portion of the exposure related to changing interest rates by converting floating-rate debt to fixed-rate debt. In March 2014, we entered into two interest rate swap agreements with an aggregate notional value of $200.0 million. The first agreement became effective June 28, 2014 and matures on June 28, 2018. Under the terms of the first interest rate swap agreement, we pay a fixed rate of 1.45% and receive one-month LIBOR with monthly settlement. The second agreement became effective January 28, 2015 and matures on January 28, 2019. Under the terms of the second interest rate swap agreement, we pay a fixed rate of 1.97% and receive one-month LIBOR with monthly settlement. The fair market value of the interest rate swaps at March 31, 2015 is a liability of $4.4 million and is recorded in long-term derivative liabilities on the unaudited consolidated balance sheet. The interest rate swaps do not receive hedge accounting treatment under ASC 815 - Derivatives and Hedging. Changes in the fair value of the interest rate swaps are recorded in interest expense in the unaudited consolidated statements of operations.

During the three months ended March 31,2015, the weighted average interest rate under our credit agreement was 3.41%.

Changes in economic conditions could result in higher interest rates, thereby increasing our interest expense and reducing our funds available for capital investment, operations or distributions to our unitholders. Based on borrowings as of March 31,

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2015, the terms of our credit agreement, current interest rates and the effect of our interest rate swaps, an increase or decrease of 100 basis points in the interest rate would result in increased annual interest expense of approximately $0.2 million or decreased annual interest expense of less than $0.1 million, respectively. 

Item 4.    Controls and Procedures

Evaluation of disclosure controls and procedures.  Our General Partner’s management, including the Chief Executive Officer and Chief Financial Officer of our General Partner, evaluated, as of the end of the period covered by this report, the effectiveness of our disclosure controls and procedures as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer of our General Partner concluded that our disclosure controls and procedures, as of March 31, 2015, were effective.

Changes in internal control over financial reporting.  There were no changes in our internal control over financial reporting that occurred during the three months ended March 31, 2015 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. 

PART II. OTHER INFORMATION

Item 1.    Legal Proceedings.

The information required by this item is included under the caption “Commitments and Contingencies” in Note 12 to our unaudited consolidated financial statements and is incorporated herein by reference thereto.

Item 1A.    Risk Factors

Information about risk factors for the three months ended March 31, 2015 does not differ materially from that set forth in Part I, Item 1A, of our Annual Report on Form 10-K for the year ended December 31, 2014.

Item 6.    Exhibits

The information required by this Item 6 is set forth in the Index to Exhibits accompanying this quarterly report and is incorporated herein by reference.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		BLUEKNIGHT ENERGY PARTNERS, L.P.
		By:	Blueknight Energy Partners, G.P., L.L.C
			its General Partner
Date:	May 7, 2015	By:	/s/ Alex G. Stallings
			Alex G. Stallings
			Chief Financial Officer and Secretary
Date:	May 7, 2015	By:	/s/ James R. Griffin
			James R. Griffin
			Chief Accounting Officer

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INDEX TO EXHIBITS

Exhibit Number	Exhibit Name
3.1	Amended and Restated Certificate of Limited Partnership of the Partnership, dated November 19, 2009 but effective as of December 1, 2009 (filed as Exhibit 3.1 to the Partnership’s Current Report on Form 8-K, filed November 25, 2009, and incorporated herein by reference).
3.2	Fourth Amended and Restated Agreement of Limited Partnership of the Partnership, dated September 14, 2011 (filed as Exhibit 3.1 to the Partnership’s Current Report on Form 8-K, filed September 14, 2011, and incorporated herein by reference).
3.3	Amended and Restated Certificate of Formation of the General Partner, dated November 20, 2009 but effective as of December 1, 2009 (filed as Exhibit 3.2 to the Partnership’s Current Report on Form 8-K, filed November 25, 2009, and incorporated herein by reference).
3.4	Second Amended and Restated Limited Liability Company Agreement of the General Partner, dated December 1, 2009 (filed as Exhibit 3.2 to the Partnership’s Current Report on Form 8-K, filed December 7, 2009, and incorporated herein by reference).
10.1##	Second Amendment to Crude Oil Storage Services Agreement, effective May 1, 2015, by and between BKEP Crude, LLC and Vitol, Inc. (filed as Exhibit 10.1 to the Partnership’s Current Report on Form 8-K, filed January 26, 2015, and incorporated herein by reference).
31.1*	Certifications of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certifications of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1#	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C., Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. Pursuant to SEC Release 34-47551, this Exhibit is furnished to the SEC and shall not be deemed to be “filed.”
101#	The following financial information from Blueknight Energy Partners, L.P.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2015, formatted in XBRL (eXtensible Business Reporting Language): (i) Document and Entity Information; (ii) Unaudited Consolidated Balance Sheets as of December 31, 2014 and March 31, 2015; (iii) Unaudited Consolidated Statements of Operations for the three months ended March 31, 2014 and 2015; (iv) Unaudited Consolidated Statement of Changes in Partners’ Capital for the three months ended March 31, 2015; (v) Unaudited Consolidated Statements of Cash Flows for the three months ended March 31, 2014 and 2015; and (vi) Notes to Unaudited Consolidated Financial Statements.

____________________

*     Filed herewith.

#     Furnished herewith

## Certain portions of this exhibit have been granted confidential treatment by the Securities and Exchange Commission. The omitted portions have been separately filed with the Securities and Exchange Commission.

30

EX-31.1

Exhibit 31.1

CERTIFICATION

PURSUANT TO AND IN CONNECTION WITH THE REPORTS

TO BE FILED UNDER SECTION 13 AND 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Mark Hurley, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Blueknight Energy Partners, L.P.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 7, 2015
/s/ Mark Hurley
Mark Hurley
Chief Executive Officer
Blueknight Energy Partners, G.P., L.L.C.,
general partner of Blueknight Energy Partners, L.P.

EX-31.2

Exhibit 31.2

CERTIFICATION

PURSUANT TO AND IN CONNECTION WITH THE REPORTS

TO BE FILED UNDER SECTION 13 AND 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Alex G. Stallings, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Blueknight Energy Partners, L.P.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 7, 2015
/s/ Alex G. Stallings
Alex G. Stallings
Chief Financial Officer and Secretary of
Blueknight Energy Partners, G.P., L.L.C.,
general partner of Blueknight Energy Partners, L.P.

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002 (18 U.S.C. SECTION 1350)*

In connection with the Quarterly Report of Blueknight Energy Partners, L.P., a Delaware limited partnership (the “Partnership”), on Form 10-Q for the quarter ended September 30, 2014 as filed with the Securities and Exchange Commission (the “Report”), each of the undersigned, Mark Hurley, Chief Executive Officer of Blueknight Energy Partners G.P., L.L.C., and Alex G. Stallings, Chief Financial Officer and Secretary of Blueknight Energy Partners G.P., L.L.C., certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350), that to his knowledge:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Partnership.

/s/ Mark Hurley

Mark Hurley

Chief Executive Officer of

Blueknight Energy Partners G.P., L.L.C.,

general partner of Blueknight Energy Partners, L.P.

May 7, 2015

/s/ Alex G. Stallings

Alex G. Stallings

Chief Financial Officer and Secretary of

Blueknight Energy Partners G.P., L.L.C.,

general partner of Blueknight Energy Partners, L.P.

May 7, 2015

* A signed original of this written statement required by Section 906 has been provided to the Partnership and will be retained by the Partnership and furnished to the Securities and Exchange Commission or its staff upon request. The foregoing certification is being furnished to the Securities and Exchange Commission as an exhibit to the Report.

XML

FAIR VALUE MEASUREMENTS Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps liability	$ 4,440	$ 2,634
Total	4,440	2,634
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps liability	0	0
Total	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps liability	4,440	2,634
Total	4,440	2,634
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps liability	0	0
Total	$ 0	$ 0

XML

PARTNERS' CAPITAL AND DISTRIBUTIONS (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Distribution Made to Member or Limited Partner, Cash Distributions Declared	$ 4.6
Phantom Share Units and Restricted Units [Member]
Distribution Made to Member or Limited Partner, Cash Distributions Declared	0.1
Series A Preferred Unitholders [Member]
Distribution Made to Member or Limited Partner, Distributions Declared (in dollars per unit)	$ 0.17875
Distribution Made to Member or Limited Partner, Cash Distributions Declared	5.4
Limited Partner [Member]
Distribution Made to Member or Limited Partner, Distributions Declared (in dollars per unit)	$ 0.1395
Distribution Made to Member or Limited Partner, Distributions Declared, Percentage Increase Over Previous Quarter Distribution	2.20%
Distribution Made to Member or Limited Partner, Cash Distributions Declared	5.0
General Partner Interest [Member]
Distribution Made to Member or Limited Partner, Cash Distributions Declared	$ 0.3

XML

FAIR VALUE MEASUREMENTS Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Measurements [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

The Partnership’s recurring financial assets and liabilities subject to fair value measurements and the necessary disclosures are as follows (in thousands): 

	Fair Value Measurements as of December 31, 2014
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	2,634	$	—	$	2,634	$	—
Total	$	2,634	$	—	$	2,634	$	—

	Fair Value Measurements as of March 31, 2015
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	4,440	$	—	$	4,440	$	—
Total	$	4,440	$	—	$	4,440	$	—

XML

INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Gross income of a partnership, for any taxable year is qualifying income will be taxable as a corporation for federal income tax purposes for that taxable year and all subsequent years, maximum (as a percent)	90.00%
Federal statutory income tax rate (as a percent)	35.00%
Difference in bases of property, plant and equipment	$ 933
Deferred tax asset	933
Less: valuation allowance	(933)
Net deferred tax asset	$ 0

XML

EMPLOYEE BENEFIT PLAN (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Defined Contribution Pension [Member]
Defined Contribution Plans Disclosure [Line Items]
Employer discretionary contribution amount	$ 0.4	$ 0.4
Deferred Profit Sharing [Member]
Defined Contribution Plans Disclosure [Line Items]
Employer discretionary contribution amount	$ 0.2	$ 0.2

XML

BASIS OF CONSOLIDATION AND PRESENTATION

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BASIS OF CONSOLIDATION AND PRESENTATION

BASIS OF CONSOLIDATION AND PRESENTATION

The financial statements have been prepared in accordance with accounting principles and practices generally accepted in the United States of America (“GAAP”).  The consolidated statements of operations for the three months ended March 31,2014 and 2015, the consolidated statement of changes in partners’ capital for the three months ended March 31,2015, the consolidated statements of cash flows for the three months ended March 31,2014 and 2015, and the consolidated balance sheet as of March 31, 2015 are unaudited.  In the opinion of management, the unaudited consolidated financial statements have been prepared on the same basis as the audited financial statements and include all adjustments necessary to state fairly the financial position and results of operations for the respective interim periods.  All adjustments are of a recurring nature unless otherwise disclosed herein.  The 2014 year-end consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP.  These unaudited consolidated financial statements and notes should be read in conjunction with the consolidated financial statements and notes thereto included in the Partnership’s annual report on Form 10-K for the year ended December 31, 2014 filed with the Securities and Exchange Commission (the “SEC”) on March 11, 2015 (the “2014 Form 10-K”).  Interim financial results are not necessarily indicative of the results to be expected for an annual period.  The Partnership’s significant accounting policies are consistent with those disclosed in Note 4 of the Notes to Consolidated Financial Statements in its 2014 Form 10-K.

The Partnership’s investment in Advantage Pipeline, L.L.C. (“Advantage Pipeline”), over which the Partnership has significant influence but not control, is accounted for by the equity method. The Partnership does not consolidate any part of the assets or liabilities of its equity investee. The Partnership’s share of net income or loss is reflected as one line item on the Partnership’s Consolidated Statements of Operations entitled “Equity earnings in unconsolidated affiliate” and will increase or decrease, as applicable, the carrying value of the Partnership’s investment in the unconsolidated affiliate on the consolidated balance sheet. Distributions to the Partnership reduce the carrying value of its investment and are reflected in the Partnership’s consolidated statements of cash flows in the line item “Distributions from unconsolidated affiliate.” In turn, contributions will increase the carrying value of the Partnership’s investment and will be reflected in the Partnership’s Consolidated Statements of Cash Flows in investing activities.

In November 2014, the Partnership received 30,393 Class A Common Units of SemCorp in connection with the settlement of two unsecured claims the Partnership filed in connection with SemCorp's predecessor's bankruptcy filing in 2008. The fair market value of these units on the date of receipt was $2.5 million. In March 2015, the Partnership sold all of these units for a total of $2.3 million.

XML

BASIS OF CONSOLIDATION AND PRESENTATION SemGroup Settlement (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Nov. 19, 2014
Basis of Consolidation and Presentation [Abstract]
Number of Units Received from Claims Settlement		30,393
Number of Claims Settled	2
Fair Market Value of Units Received From Settlement		$ 2.5
Trading Securities, Realized Gain (Loss)	$ 2.3

XML

ORGANIZATION AND NATURE OF BUSINESS (Narrative) (Details)	3 Months Ended
	Mar. 31, 2015 Operating-segments States
ORGANIZATION AND NATURE OF BUSINESS [Abstract]
Number of states in which entity operates (in states)	22
Number of operating segments (in operating segments)	4

XML

PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 507,833,000		$ 502,603,000
Accumulated Depreciation and Impairments, property plant and equipment	198,600,000		192,440,000
Property, plant and equipment, net	309,233,000		310,163,000
Depreciation	6,600,000	6,300,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	19,287,000		18,292,000
Land improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,398,000		6,398,000
Land improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Land improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	20 years
Pipelines and facilities [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	175,333,000		168,537,000
Pipelines and facilities [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Pipelines and facilities [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	30 years
Storage and terminal facilities [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	242,027,000		240,004,000
Storage and terminal facilities [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Storage and terminal facilities [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	35 years
Transportation equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,219,000		13,557,000
Transportation equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Transportation equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	10 years
Office property and equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	29,050,000		28,958,000
Office property and equipment and other [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Office property and equipment and other [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	20 years
Pipeline linefill and tank bottoms [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,186,000		10,186,000
Construction-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 12,333,000		$ 16,671,000

XML

DEBT (Credit Agreements) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jun. 28, 2013	May 01, 2015
Debt Instrument [Line Items]
Borrowings under credit facility	$ 25,000,000	$ 15,000,000
Repayments of Long-term Debt	17,000,000	7,000,000
Debt issuance costs, net	2,866,000		3,085,000
Debt Instrument, Interest Rate During Period	3.41%	3.44%
Amortization and write-off of debt issuance costs	200,000	200,000
Interest expense for long-term debt	1,900,000	2,400,000
Interest expense	4,283,000	2,655,000
Capitalized interest	100,000	100,000
Derivative, Notional Amount			200,000,000
Interest Expense, Other	600,000	0
Interest rate swaps liability	4,440,000		2,634,000
Blueknight General Partners G. P., L.L.C. [Member]
Debt Instrument [Line Items]
Credit agreement, Constitute a change of control, if ceases to own, directly or indirectly, exactly 50% of the membership interests of the General Partner or if General Partner ceases to be controlled (as a percent)	100.00%
Vitol or Charlesbank [Member]
Debt Instrument [Line Items]
Credit agreement, Constitute a change of control if Vitol Holding BV and Charlesbank ceasing to collectively own and control 50% of the GP	50.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility amount				400,000,000
Maximum borrowing capacity including additional lenders	500,000,000
Debt Instrument Maximum Covenant Consolidated Senior Secured Leverage Ratio	3.50
Consolidated interest coverage (as a ratio), minimum permitted	2.50
Consolidated total leverage (as a ratio), actual	3.43
Consolidated interest coverage (as a ratio), actual	7.11
Debt issuance costs	0	0
Weighted average interest rate (as a percent)	3.41%
Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Unused capacity, commitment fee (as a percent)	0.375%
Debt Instrument Covenant, Issued Qualified Senior Notes	200,000,000
Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Unused capacity, commitment fee (as a percent)	0.50%
Revolving Credit Facility [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Revolver borrowings					231,000,000
Unused borrowing capacity					168,100,000
Revolving Credit Facility [Member] | Federal funds rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.50%
Revolving Credit Facility [Member] | Eurodollar rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	1.00%
Revolving Credit Facility [Member] | Applicable margin based on ABR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Applicable margin interest rate increase (as a percent)	1.00%
Revolving Credit Facility [Member] | Applicable margin based on ABR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Applicable margin interest rate increase (as a percent)	2.00%
Revolving Credit Facility [Member] | Applicable margin based on Eurodollar rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.00%
Revolving Credit Facility [Member] | Applicable margin based on Eurodollar rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	3.00%
Letter of Credit [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Letters of credit outstanding, amount					900,000
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	100,000,000
Derivative, Fixed Interest Rate	1.45%
Interest Rate Swap Two [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	100,000,000
Derivative, Fixed Interest Rate	1.97%
Aggregate Principal Above Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument Covenant, Issued Qualified Senior Notes	200,000,000
Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	4.50
Minimum Acquisition Costs	10,000,000.0
Minimum Percent of Projected Capital Expenditures	50.00%
Minimum Capital Expenditure	15,000,000.0
Debt Instrument Covenant, Issued Qualified Senior Notes	$ 200,000,000
Provision Two, Applicable Period Two [Member] | Aggregate Principal Above Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.00
Provision Three, Applicable Period One [Member] | Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.00
Provision Two, Applicable Period One [Member] | Aggregate Principal Above Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.50
Provision Two, Applicable Period One [Member] | Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.50
Provision One, Applicable Period Three [Member] | Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	4.50
Provision One, Applicable Period Two [Member] | Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	4.75
Provision One, Applicable Period One [Member] | Aggregate Principal Above Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.00
Provision One, Applicable Period One [Member] | Aggregate Principal Below Threshold [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Consolidated total leverage (as a ratio), Maximum permitted	5.00

XML

ORGANIZATION AND NATURE OF BUSINESS

3 Months Ended

Mar. 31, 2015

ORGANIZATION AND NATURE OF BUSINESS [Abstract]

ORGANIZATION AND NATURE OF BUSINESS

ORGANIZATION AND NATURE OF BUSINESS

Blueknight Energy Partners, L.P. and subsidiaries (collectively, the “Partnership”) is a publicly traded master limited partnership with operations in twenty-two states. The Partnership provides integrated terminalling, storage, processing, gathering and transportation services for companies engaged in the production, distribution and marketing of crude oil and asphalt products. The Partnership manages its operations through four operating segments: (i) crude oil terminalling and storage services, (ii) crude oil pipeline services, (iii) crude oil trucking and producer field services and (iv) asphalt services. The Partnership’s common units and preferred units, which represent limited partnership interests in the Partnership, are listed on the NASDAQ Global Market under the symbols “BKEP” and “BKEPP,” respectively. The Partnership was formed in February2007 as a Delaware master limited partnership initially to own, operate and develop a diversified portfolio of complementary midstream energy assets.

XML

NET INCOME PER LIMITED PARTNER UNIT (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Net income	$ 1,579	$ 3,892
General partner interest in net income	103	93
Preferred interest in net income	5,391	5,391
Loss available to limited partners	$ (3,915)	$ (1,592)
Basic and diluted weighted average number of units:
Common units	32,894	22,900
Weighted Average Limited Partnership Units Outstanding, Diluted	32,894	22,900
Restricted and phantom units	562	526
Basic and diluted net loss per common unit	$ (0.12)	$ (0.07)
Diluted net income per common unit	$ (0.12)	$ (0.07)

XML

OPERATING SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Operating-segments		Mar. 31, 2014		Dec. 31, 2014
Segment Reporting Information [Line Items]
Number of operating segments (in operating segments)	4
Service revenue
Third party revenue	$ 32,123		$ 34,236
Related party revenue	10,233		12,206
Total revenue for reportable segments	42,356		46,442
Operating margin (excluding depreciation and amortization)	16,616	[1]	17,259	[1]
Total assets (end of period)	361,901				364,395
Reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes
Operating margin (excluding depreciation and amortization)	16,616	[1]	17,259	[1]
Depreciation and amortization on continuing operations	(6,646)		(6,317)
General and administrative expenses	(4,977)		(4,487)
Assets Impairment Charges on Continuing Operations	0		0
Gain on sale of assets	304		397
Interest expense	(4,283)		(2,655)
Equity (earnings) loss in unconsolidated affiliate	656		(204)
Income from continuing operations before income taxes	1,670		3,993
Crude Oil Terminalling and Storage Services [Member]
Service revenue
Third party revenue	2,553		2,841
Related party revenue	3,077		4,515
Total revenue for reportable segments	5,630		7,356
Operating expenses (excluding depreciation and amortization)	1,561		970
Operating margin (excluding depreciation and amortization)	4,069		6,386
Total assets (end of period)	68,859		67,436
Reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes
Operating margin (excluding depreciation and amortization)	4,069		6,386
Crude Oil Pipeline Services [Member]
Segment Reporting Information [Line Items]
Number of pipelines systems owned and operated (in pipeline systems)	3
Service revenue
Third party revenue	4,275		3,099
Related party revenue	2,383		1,887
Total revenue for reportable segments	6,658		4,986
Operating expenses (excluding depreciation and amortization)	3,909		4,381
Operating margin (excluding depreciation and amortization)	2,749		605
Total assets (end of period)	184,061		164,902
Reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes
Operating margin (excluding depreciation and amortization)	2,749		605
Crude Oil Trucking and Producer Field Services [Member]
Service revenue
Third party revenue	10,682		13,850
Related party revenue	4,621		5,547
Total revenue for reportable segments	15,303		19,397
Operating expenses (excluding depreciation and amortization)	14,118		16,980
Operating margin (excluding depreciation and amortization)	1,185		2,417
Total assets (end of period)	18,002		24,877
Reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes
Operating margin (excluding depreciation and amortization)	1,185		2,417
Asphalt Services [Member]
Segment Reporting Information [Line Items]
Number of terminalling and storage facilities providing asphalt product and residual fuel terminalling storage and blending services (in terminalling and storage facilities)	42
Number of states that Asphalt product and residual fuel terminalling, storage and blending services at its terminalling and storage facilities are provided (in states)	21
Service revenue
Third party revenue	14,613		14,446
Related party revenue	152		257
Total revenue for reportable segments	14,765		14,703
Operating expenses (excluding depreciation and amortization)	6,152		6,852
Operating margin (excluding depreciation and amortization)	8,613		7,851
Total assets (end of period)	90,979		97,742
Reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes
Operating margin (excluding depreciation and amortization)	$ 8,613		$ 7,851

[1] The following table reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes (in thousands): Three Months ended March 31, 2014 2015Operating margin (excluding depreciation and amortization)$17,259 $16,616Depreciation and amortization(6,317) (6,646)General and administrative expenses(4,487) (4,977)Asset impairment expense— —Gain on sale of assets397 304Interest expense(2,655) (4,283)Equity earnings (loss) in unconsolidated affiliate(204) 656Income before income taxes$3,993 $1,670

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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,383	$ 2,661
Accounts receivable, net of allowance for doubtful accounts of $222 and $218 at December 31, 2014 and March 31, 2015, respectively	10,272	9,051
Receivables from related parties, net of allowance for doubtful accounts of $225 for both dates	2,765	2,316
Prepaid insurance	2,104	1,582
Investments	0	2,079
Other current assets	3,888	3,805
Total current assets	21,412	21,494
Property, plant and equipment, net of accumulated depreciation of $192,440 and $198,600 at December 31, 2014 and March 31, 2015, respectively	309,233	310,163
Investment in unconsolidated affiliate	19,131	20,381
Goodwill	7,216	7,216
Debt issuance costs, net	2,866	3,085
Intangibles and other assets, net	2,043	2,056
Total assets	361,901	364,395
Current liabilities:
Accounts payable	6,898	7,626
Accrued interest payable	202	233
Accrued property taxes payable	1,684	2,046
Unearned revenue	1,213	1,531
Unearned revenue with related parties	802	909
Accrued payroll	3,619	6,520
Other current liabilities	3,199	3,204
Total current liabilities	17,617	22,069
Unearned revenue with related parties, noncurrent	107	116
Other long-term liabilities	4,324	3,620
Interest rate swaps liability	4,440	2,634
Long-term debt	224,000	216,000
Commitments and contingencies (Note 12)
Partners’ capital:
Series A Preferred Units (30,158,619 units issued and outstanding for both dates)	204,599	204,599
Common unitholders (32,774,163 and 32,915,481 units issued and outstanding at December 31, 2014 and March 31, 2015, respectively)	517,388	525,767
General partner interest (1.8% interest with 1,127,755 general partner units outstanding at both dates)	(610,574)	(610,410)
Total Partners’ capital	111,413	119,956
Total liabilities and Partners’ capital	$ 361,901	$ 364,395

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CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (USD $) In Thousands, unless otherwise specified	Total	Common Unitholders [Member]	Series A Preferred Unitholders [Member]	General Partner Interest [Member]
Balance at Dec. 31, 2014	$ 119,956	$ 525,767	$ 204,599	$ (610,410)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,579	(3,839)	5,391	27
Equity-based incentive compensation	11	10		1
Profits interest contribution	37			37
Distributions	(10,170)	(4,550)	(5,391)	(229)
Balance at Mar. 31, 2015	$ 111,413	$ 517,388	$ 204,599	$ (610,574)

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RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Related Party Transaction [Line Items]
Related party revenue	$ 10,233,000	$ 12,206,000
Receivables from related parties	2,765,000		2,316,000
Vitol [Member]
Related Party Transaction [Line Items]
Related party revenue	9,900,000	12,000,000
Receivables from related parties	2,700,000		2,300,000
Due to Related Parties	900,000		1,000,000
Advantage Pipeline, L.L.C. [Member]
Related Party Transaction [Line Items]
Related party revenue	300,000	200,000
Receivables from related parties	$ 100,000		$ 100,000

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PROPERTY, PLANT AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Estimated Useful Lives (Years)	December 31, 2014			March 31,  2015
		(dollars in thousands)
Land	N/A	$	18,292		$	19,287
Land improvements	10-20	6,398			6,398
Pipelines and facilities	5-30	168,537			175,333
Storage and terminal facilities	10-35	240,004			242,027
Transportation equipment	3-10	13,557			13,219
Office property and equipment and other	3-20	28,958			29,050
Pipeline linefill and tank bottoms	N/A	10,186			10,186
Construction-in-progress	N/A	16,671			12,333
Property, plant and equipment, gross		502,603			507,833
Accumulated depreciation		(192,440		)	(198,600		)
Property, plant and equipment, net		$	310,163		$	309,233

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LONG-TERM INCENTIVE PLAN (Details) (USD $)	3 Months Ended			1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Apr. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based incentive compensation expense (in dollars)	$ 11,000	$ (53,000)
Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized			1,500,000
Number of units authorized	4,100,000			4,100,000							2,600,000
Number of Units [Roll Forward]
Number of Units, Nonvested, Beginning balance	1,020,264
Number of Units, Granted	266,076
Number of Units, Vested	222,800
Number of Units, Forfeited	14,765
Number of Units, Nonvested, Ending balance	1,048,775			1,048,775
Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, Nonvested, Beginning balance (in dollars per unit)	$ 7.46
Weighted Average Grant Date Fair Value, Granted (in dollars per unit)	$ 7.74
Weighted Average Grant Date Fair Value, Vested (in dollars per unit)	$ 6.76
Weighted Average Grant Date Fair Value, Forfeited (in dollars per unit)	$ 8.96
Weighted Average Grant Date Fair Value, Nonvested, Ending balance (in dollars per unit)	$ 7.66			$ 7.66
Plan [Member] | Phantom common units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of award grants (in dollars)				2,100,000	2,500,000	2,200,000
Unrecognized estimated compensation cost (in dollars)	3,800,000			3,800,000
Equity-based incentive compensation expense (in dollars)	500,000	500,000
Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, Granted (in dollars per unit)				$ 7.74	$ 9.06	$ 8.75
Plan [Member] | Phantom common units [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period							5 years
Value of award grants (in dollars)							2,800,000
Unrecognized estimated compensation cost (in dollars)	1,400,000			1,400,000
Number of Units [Roll Forward]
Number of Units, Granted							500,000
Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, Granted (in dollars per unit)							$ 5.62
Plan [Member] | Restricted common units [Member] | Independent Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights percentage								33.00%	33.00%	33.00%
Value of award grants (in dollars)								$ 100,000	$ 100,000	$ 49,200
Number of Units [Roll Forward]
Number of Units, Granted								7,500	7,500	7,500
January 2016 Vesting [Member] | Plan [Member] | Phantom common units [Member]
Number of Units [Roll Forward]
Number of Units, Granted						251,106
January 2017 Vesting [Member] | Plan [Member] | Phantom common units [Member]
Number of Units [Roll Forward]
Number of Units, Granted					276,773
January 2018 Vesting [Member] | Plan [Member] | Phantom common units [Member]
Number of Units [Roll Forward]
Number of Units, Granted				266,076

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LONG-TERM INCENTIVE PLAN (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Phantom Common Units And Restricted Common Units Activity

Activity pertaining to phantom common units and restricted common unit awards granted under the Plan is as follows: 

	Number of Units	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014	1,020,264	$	7.46
Granted	266,076	7.74
Vested	222,800	6.76
Forfeited	14,765	8.96
Nonvested at March 31, 2015	1,048,775	$	7.66

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 1,579	$ 3,892
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible receivables from third parties	(4)	0
Depreciation and amortization	6,646	6,317
Amortization and write-off of debt issuance costs	219	199
Unrealized loss related to interest rate swaps	1,806	355
Gain on sale of assets	304	397
Equity-based incentive compensation	11	(53)
Equity (earnings) loss in unconsolidated affiliate	656	(204)
Gain related to investments	(267)	0
Changes in assets and liabilities
Decrease (increase) in accounts receivable	(1,217)	719
Decrease (increase) in receivables from related parties	(449)	433
Decrease in prepaid insurance	278	261
Decrease (increase) in other current assets	(83)	373
Decrease in other assets	4	76
Decrease in accounts payable	(135)	(1,072)
Decrease in accrued interest payable	(31)	(238)
Decrease in accrued property taxes	(362)	(431)
Increase in unearned revenue	424	832
Decrease in unearned revenue from related parties	(116)	(8)
Decrease in accrued payroll	(2,901)	(3,673)
Decrease in other accrued liabilities	(360)	(1,569)
Net cash provided by operating activities	4,082	6,220
Cash flows from investing activities:
Capital expenditures	(6,413)	(7,878)
Proceeds from sale of assets	417	453
Distributions from unconsolidated affiliate	1,906	0
Proceeds from sale of investments	2,346	0
Net cash used in investing activities	(1,744)	(7,425)
Cash flows from financing activities:
Payment on insurance premium financing agreement	(483)	(597)
Borrowings under credit facility	25,000	15,000
Payments under credit facility	(17,000)	(7,000)
Capital contribution related to profits interest	37	37
Distributions	(10,170)	(8,511)
Net cash used in financing activities	(2,616)	(1,071)
Net decrease in cash and cash equivalents	(278)	(2,276)
Cash and cash equivalents at beginning of period	2,661	3,182
Cash and cash equivalents at end of period	2,383	906
Supplemental disclosure of cash flow information:
Increase (decrease) in accounts payable related to purchase of property, plant and equipment	(593)	2,346
Increase in accrued liabilities related to insurance premium financing agreement	$ 800	$ 899

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Accounts receivable, allowance for doubtful accounts	$ 218	$ 222
Receivables from related parties, allowance for doubtful accounts	225	225
Accumulated Depreciation and Impairments, property plant and equipment	$ 198,600	$ 192,440
Partners’ capital:
Series A Preferred unitholders, units issued	30,158,619	30,158,619
Preferred Units, Outstanding	30,158,619	30,158,619
Common unitholders, units issued	32,915,481	32,774,163
Common unitholders, units outstanding	32,915,481	32,774,163
General partner interest, units outstanding	1,127,755	1,127,755
General partner percentage interest	1.80%	1.80%

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FAIR VALUE MEASUREMENTS

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

The Partnership utilizes a three-tier framework for assets and liabilities required to be measured at fair value. In addition, the Partnership uses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow), and the cost approach (cost to replace the service capacity of an asset or replacement cost) to value these assets and liabilities as appropriate. The Partnership uses an exit price when determining the fair value. The exit price represents amounts that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.

The Partnership utilizes a three-tier fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

Level 1 Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2 Inputs other than quoted prices that are observable for these assets or liabilities, either directly or indirectly.  These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

Level 3 Unobservable inputs in which there is little market data, which requires the reporting entity to develop its own assumptions.

This hierarchy requires the use of observable market data, when available, to minimize the use of unobservable inputs when determining fair value.  In periods in which they occur, the Partnership recognizes transfers into and out of Level 3 as of the end of the reporting period. Transfers out of Level 3 represent existing assets and liabilities that were classified previously as Level 3 for which the observable inputs became a more significant portion of the fair value estimates. Determining the appropriate classification of the Partnership’s fair value measurements within the fair value hierarchy requires management’s judgment regarding the degree to which market data is observable or corroborated by observable market data.

The Partnership’s recurring financial assets and liabilities subject to fair value measurements and the necessary disclosures are as follows (in thousands): 

	Fair Value Measurements as of December 31, 2014
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	2,634	$	—	$	2,634	$	—
Total	$	2,634	$	—	$	2,634	$	—

	Fair Value Measurements as of March 31, 2015
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs   (Level 3)
Liabilities:
Interest rate swap liabilities	$	4,440	$	—	$	4,440	$	—
Total	$	4,440	$	—	$	4,440	$	—

Fair Value of Other Financial Instruments

The following disclosure of the estimated fair value of financial instruments is made in accordance with accounting guidance for financial instruments. The Partnership has determined the estimated fair values by using available market information and valuation methodologies. Considerable judgment is required in interpreting market data to develop the estimates of fair value. The use of different market assumptions or valuation methodologies may have a material effect on the estimated fair value amounts.

At March 31, 2015, the carrying values on the unaudited condensed consolidated balance sheets for cash and cash equivalents (classified as Level 1), accounts receivable and accounts payable approximate their fair value because of their short term nature.

Based on the borrowing rates currently available to the Partnership for credit agreement debt with similar terms and maturities and consideration of the Partnership’s non-performance risk, long-term debt associated with the Partnership’s credit agreement at March 31, 2015 approximates its fair value. The fair value of the Partnership’s long-term debt was calculated using observable inputs (LIBOR for the risk free component) and unobservable company-specific credit spread information.  As such, the Partnership considers this debt to be Level 3.

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Document And Entity Information	3 Months Ended
	Mar. 31, 2015	May 01, 2015
Entity Information [Line Items]
Entity Registrant Name	Blueknight Energy Partners, L.P.
Entity Central Index Key	0001392091
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		32,915,481
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015

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OPERATING SEGMENTS

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

OPERATING SEGMENTS

OPERATING SEGMENTS

The Partnership’s operations consist of four operating segments: (i) crude oil terminalling and storage services, (ii) crude oil pipeline services, (iii) crude oil trucking and producer field services, and (iv) asphalt services.  

CRUDE OIL TERMINALLING AND STORAGE SERVICES —The Partnership provides crude oil terminalling and storage services at its terminalling and storage facilities located in Oklahoma and Texas.

CRUDE OIL PIPELINE SERVICES —The Partnership owns and operates three pipeline systems, the Mid-Continent system, the East Texas system and the Eagle North System, that gather crude oil purchased by its customers and transports it to refiners, to common carrier pipelines for ultimate delivery to refiners or to terminalling and storage facilities owned by the Partnership and others. The Partnership refers to its pipeline system located in Oklahoma and the Texas Panhandle as the Mid-Continent system. It refers to its second pipeline system, which is located in Texas, as the East Texas system.  The Partnership refers to its third system, originating in Cushing, Oklahoma and terminating in Ardmore, Oklahoma, as the Eagle North system.

CRUDE OIL TRUCKING AND PRODUCER FIELD SERVICES — The Partnership uses its owned and leased tanker trucks to gather crude oil for its customers at remote wellhead locations generally not covered by pipeline and gathering systems and to transport the crude oil to aggregation points and storage facilities located along pipeline gathering and transportation systems.  Crude oil producer field services consist of a number of producer field services, ranging from gathering condensates from natural gas companies to hauling produced water to disposal wells.

ASPHALT SERVICES —The Partnership provides asphalt product and residual fuel terminalling, storage and blending services at its 42 terminalling and storage facilities located in twenty-one states.

The Partnership’s management evaluates performance based upon segment operating margin, which includes revenues from related parties and external customers and operating expenses excluding depreciation and amortization. The non-GAAP measure of operating margin (in the aggregate and by segment) is presented in the following table. The Partnership computes the components of operating margin by using amounts that are determined in accordance with GAAP. A reconciliation of operating margin to income before income taxes, which is its nearest comparable GAAP financial measure, is included in the following table. The Partnership believes that investors benefit from having access to the same financial measures being utilized by management. Operating margin is an important measure of the economic performance of the Partnership’s core operations. This measure forms the basis of the Partnership’s internal financial reporting and is used by its management in deciding how to allocate capital resources among segments.  Income before income taxes, alternatively, includes expense items, such as depreciation and amortization, general and administrative expenses and interest expense, which management does not consider when evaluating the core profitability of the Partnership’s operations.

The following table reflects certain financial data for each segment for the periods indicated (in thousands):  

	Three Months ended  March 31,
	2014		2015
Crude Oil Terminalling and Storage Services
Service revenue
Third party revenue	$	2,841	$	2,553
Related party revenue	4,515		3,077
Total revenue for reportable segments	7,356		5,630
Operating expense (excluding depreciation and amortization)	970		1,561
Operating margin (excluding depreciation and amortization)	6,386		4,069
Total assets (end of period)	$	67,436	$	68,859
Crude Oil Pipeline Services
Service revenue
Third party revenue	$	3,099	$	4,275
Related party revenue	1,887		2,383
Total revenue for reportable segments	4,986		6,658
Operating expense (excluding depreciation and amortization)	4,381		3,909
Operating margin (excluding depreciation and amortization)	605		2,749
Total assets (end of period)	$	164,902	$	184,061
Crude Oil Trucking and Producer Field Services
Service revenue
Third party revenue	$	13,850	$	10,682
Related party revenue	5,547		4,621
Total revenue for reportable segments	19,397		15,303
Operating expense (excluding depreciation and amortization)	16,980		14,118
Operating margin (excluding depreciation and amortization)	2,417		1,185
Total assets (end of period)	$	24,877	$	18,002
Asphalt  Services
Service revenue
Third party revenue	$	14,446	$	14,613
Related party revenue	257		152
Total revenue for reportable segments	14,703		14,765
Operating expense (excluding depreciation and amortization)	6,852		6,152
Operating margin (excluding depreciation and amortization)	7,851		8,613
Total assets (end of period)	$	97,742	$	90,979
Total operating margin (excluding depreciation and amortization)(1)	$	17,259	$	16,616

____________________

(1)The following table reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes (in thousands):

	Three Months ended March 31,
	2014			2015
Operating margin (excluding depreciation and amortization)	$	17,259		$	16,616
Depreciation and amortization	(6,317		)	(6,646		)
General and administrative expenses	(4,487		)	(4,977		)
Asset impairment expense	—			—
Gain on sale of assets	397			304
Interest expense	(2,655		)	(4,283		)
Equity earnings (loss) in unconsolidated affiliate	(204		)	656
Income before income taxes	$	3,993		$	1,670

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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Service revenue:
Third party revenue	$ 32,123	$ 34,236
Related party revenue	10,233	12,206
Total revenue	42,356	46,442
Expense:
Operating	32,386	35,500
General and administrative	4,977	4,487
Total expense	37,363	39,987
Gain on sale of assets	304	397
Operating income	5,297	6,852
Other income (expense):
Equity earnings (loss) in unconsolidated affiliate	656	(204)
Interest expense (net of capitalized interest of $80 and $23, respectively)	(4,283)	(2,655)
Income before income taxes	1,670	3,993
Provision for income taxes	91	101
Net income	1,579	3,892
Allocation of net income for calculation of earnings per unit:
General partner interest in net income	103	93
Preferred interest in net income	5,391	5,391
Loss available to limited partners	$ (3,915)	$ (1,592)
Basic and diluted net loss per common unit	$ (0.12)	$ (0.07)
Common units	32,894	22,900

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NET INCOME PER LIMITED PARTNER UNIT

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

NET INCOME PER LIMITED PARTNER UNIT

NET INCOME PER LIMITED PARTNER UNIT

For purposes of calculating earnings per unit, the excess of distributions over earnings or excess of earnings over distributions for each period are allocated to the Partnership’s general partner based on the general partner’s ownership interest at the time. The following sets forth the computation of basic and diluted net income (loss) per common unit (in thousands, except per unit data): 

	Three Months ended  March 31,
	2014			2015
Net income	3,892			1,579
General partner interest in net income	93			103
Preferred interest in net income	5,391			5,391
Loss available to limited partners	$	(1,592	)	$	(3,915	)
Basic and diluted weighted average number of units:
Common units	22,900			32,894
Restricted and phantom units	526			562
Basic and diluted net loss per common unit	$	(0.07	)	$	(0.12	)

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DEBT

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

DEBT

    DEBT

On June 28, 2013, the Partnership entered into an amended and restated credit agreement that consists of a $400.0 million revolving loan facility. On September 15, 2014, the Partnership amended its credit facility to, among other things, amend the maximum permitted consolidated total leverage ratio as discussed below and to increase the limit on material project adjustments to EBITDA (as defined in the credit agreement).

As of May 1, 2015, approximately $231.0 million of revolver borrowings and $0.9 million of letters of credit were outstanding under the credit facility, leaving the Partnership with approximately $168.1 million available capacity for additional revolver borrowings and letters of credit under the credit facility, although the Partnership’s ability to borrow such funds may be limited by the financial covenants in the credit facility. The proceeds of loans made under the amended and restated credit agreement may be used for working capital and other general corporate purposes of the Partnership. All references herein to the credit agreement on or after June 28, 2013 refer to the amended and restated credit agreement, as amended on September 15, 2014.

The credit agreement is guaranteed by all of the Partnership’s existing subsidiaries. Obligations under the credit agreement are secured by first priority liens on substantially all of the Partnership’s assets and those of the guarantors.

The credit agreement includes procedures for additional financial institutions to become revolving lenders, or for any existing lender to increase its revolving commitment thereunder, subject to an aggregate maximum of $500.0 million for all revolving loan commitments under the credit agreement.

The credit agreement will mature on June 28, 2018, and all amounts outstanding under the credit agreement will become due and payable on such date.  The Partnership may prepay all loans under the credit agreement at any time without premium or penalty (other than customary LIBOR breakage costs), subject to certain notice requirements. The credit agreement requires mandatory prepayments of amounts outstanding thereunder with the net proceeds of certain asset sales, property or casualty insurance claims, and condemnation proceedings, unless the Partnership reinvests such proceeds in accordance with the credit agreement, but these mandatory prepayments will not require any reduction of the lenders’ commitments under the credit agreement.

Borrowings under the credit agreement bear interest, at the Partnership’s option, at either the reserve-adjusted eurodollar rate (as defined in the credit agreement) plus an applicable margin that ranges from 2.0% to 3.0% or the alternate base rate (the highest of the agent bank’s prime rate, the federal funds effective rate plus 0.5%, and the 30-day eurodollar rate plus 1.0%) plus an applicable margin that ranges from 1.0% to 2.0%.  The Partnership pays a per annum fee on all letters of credit issued under the credit agreement, which fee equals the applicable margin for loans accruing interest based on the eurodollar rate, and the Partnership pays a commitment fee ranging from 0.375% to 0.5% on the unused commitments under the credit agreement.  The applicable margins for the Partnership’s interest rate, the letter of credit fee and the commitment fee vary quarterly based on the Partnership’s consolidated total leverage ratio (as defined in the credit agreement, being generally computed as the ratio of consolidated total debt to consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges).

The credit agreement includes financial covenants that are tested on a quarterly basis, based on the rolling four-quarter period that ends on the last day of each fiscal quarter.

Prior to the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million, the maximum permitted consolidated total leverage ratio is 4.50 to 1.00; provided that:

• after the Partnership delivers the Knight Warrior Pipeline Initiation Certificate (as defined in the credit agreement, but generally meaning that the Partnership has spent at least $15.0 million of the projected capital expenditures for its Knight Warrior pipeline project), the maximum permitted consolidated total leverage ratio is 5.00 to 1.00 for the fiscal quarters ending March 31, 2015 through September 30, 2016, 4.75 to 1.00 for the fiscal quarter ending December 31, 2016, and 4.50 to 1.00 for each fiscal quarter thereafter;

• after the Partnership delivers the Knight Warrior Pipeline Leverage Election Certificate (as defined in the credit agreement, but generally meaning that the Partnership has spent at least 50% of the projected capital expenditures for the Knight Warrior pipeline project), the Partnership may elect to increase the maximum permitted consolidated total leverage ratio to 5.50 to 1.00 for two consecutive fiscal quarters ending on or before September 30, 2016; and

• if the Partnership makes a specified acquisition (as defined in the credit agreement, but generally being an acquisition with consideration in excess of $10.0 million), the Partnership may elect to increase the maximum permitted consolidated total leverage ratio to 5.00 to 1.00 from and after the last day of the fiscal quarter immediately preceding the fiscal quarter in which such acquisition occurs to and including the last day of the second full fiscal quarter following the fiscal quarter in which such acquisition occurred.

From and after the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million, the maximum permitted consolidated total leverage ratio is 5.00 to 1.00; provided that after the Partnership delivers the Knight Warrior Pipeline Initiation Certificate, the maximum permitted consolidated total leverage ratio is 5.50 to 1.00 for the fiscal quarters ending March 31, 2015 through September 30, 2016, and 5.00 to 1.00 for each fiscal quarter thereafter.

The maximum permitted consolidated senior secured leverage ratio (as defined in the credit agreement, but generally computed as the ratio of consolidated total secured debt to consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges) is 3.50 to 1.00, but this covenant is only tested from and after the date on which the Partnership issues qualified senior notes in an aggregate principal amount (when combined with all other qualified senior notes previously or concurrently issued) that equals or exceeds $200.0 million.

The minimum permitted consolidated interest coverage ratio (as defined in the credit agreement, but generally computed as the ratio of consolidated earnings before interest, taxes, depreciation, amortization and certain other non-cash charges to consolidated interest expense) is 2.50 to 1.00.

In addition, the credit agreement contains various covenants that, among other restrictions, limit the Partnership’s ability to:

• create, issue, incur or assume indebtedness;

• create, incur or assume liens;

• engage in mergers or acquisitions;

• sell, transfer, assign or convey assets;

• repurchase the Partnership’s equity, make distributions to unitholders and make certain other restricted payments;

• make investments;

• modify the terms of certain indebtedness, or prepay certain indebtedness;

• engage in transactions with affiliates;

• enter into certain hedging contracts;

• enter into certain burdensome agreements;

• change the nature of the Partnership’s business;

• enter into operating leases; and

• make certain amendments to the Partnership’s partnership agreement.

At March 31, 2015, the Partnership’s consolidated total leverage ratio was 3.43 to 1.00 and the consolidated interest coverage ratio was 7.11 to 1.00.  The Partnership was in compliance with all covenants of its credit agreement as of March 31, 2015.

The credit agreement permits the Partnership to make quarterly distributions of available cash (as defined in the Partnership’s partnership agreement) to unitholders so long as no default or event of default exists under the credit agreement on a pro forma basis after giving effect to such distribution. The Partnership is currently allowed to make distributions to its unitholders in accordance with this covenant; however, the Partnership will only make distributions to the extent it has sufficient cash from operations after establishment of cash reserves as determined by the Board of Directors (the “Board”) of Blueknight Energy Partners G.P., L.L.C. (the “General Partner”) in accordance with the Partnership’s cash distribution policy, including the establishment of any reserves for the proper conduct of the Partnership’s business.  See Note 6 for additional information regarding distributions.

In addition to other customary events of default, the Credit Agreement includes an event of default if (i) the General Partner ceases to own 100% of the Partnership’s general partner interest or ceases to control the Partnership or (ii) Vitol Holding B.V. (together with its affiliates, “Vitol”) and Charlesbank Capital Partners, LLC cease to collectively own and control 50.0% or more of the membership interests of the General Partner).

If an event of default relating to bankruptcy or other insolvency events occurs with respect to the General Partner or the Partnership, all indebtedness under the credit agreement will immediately become due and payable.  If any other event of default exists under the credit agreement, the lenders may accelerate the maturity of the obligations outstanding under the credit agreement and exercise other rights and remedies.  In addition, if any event of default exists under the credit agreement, the lenders may commence foreclosure or other actions against the collateral.

If any default occurs under the credit agreement, or if the Partnership is unable to make any of the representations and warranties in the credit agreement, the Partnership will be unable to borrow funds or have letters of credit issued under the credit agreement. 

During the three months ended March 31,2014 and 2015, the Partnership capitalized no debt issuance costs for either period. Debt issuance costs are being amortized over the term of the amended and restated credit agreement. Interest expense related to debt issuance cost amortization for each of the three months ended March 31,2014 and 2015 was $0.2 million.

During the three months ended March 31,2014 and 2015, the weighted average interest rate under the Partnership’s credit agreement was 3.44% and 3.41%, respectively, resulting in interest expense of approximately $2.4 million and $1.9 million, respectively. As of March 31, 2015, borrowings under the Partnership’s amended and restated credit agreement bore interest at a weighted average interest rate of 3.41%.

During the three months ended March 31,2014 and 2015, the Partnership capitalized interest of $0.1 million and less than $0.1 million, respectively.  

The Partnership is exposed to market risk for changes in interest rates related to its credit facility. Interest rate swap agreements are used to manage a portion of the exposure related to changing interest rates by converting floating-rate debt to fixed-rate debt. In March 2014 the Partnership entered into two interest rate swap agreements with an aggregate notional amount of $200.0 million. The first agreement has a notional amount of $100.0 million, became effective June 28, 2014, and matures on June 28, 2018. Under the terms of the first interest rate swap agreement, the Partnership pays a fixed rate of 1.45% and receives one-month LIBOR with monthly settlement. The second agreement has a notional amount of $100.0 million, became effective January 28, 2015, and matures on January 28, 2019. Under the terms of the second interest rate swap agreement, the Partnership will pay a fixed rate of 1.97% and will receive one-month LIBOR with monthly settlement. During the three months ended March 31, 2015, the Partnership recorded swap interest expense of $0.6 million. The Partnership did not have any swap interest expense for the three months ended March 31, 2014. The fair market value of the interest rate swaps at December 31, 2014 and March 31, 2015 is a liability of $2.6 million and $4.4 million, respectively, and is recorded in long-term derivative liabilities on the consolidated balance sheets. The interest rate swaps do not receive hedge accounting treatment under ASC 815 - Derivatives and Hedging. Changes in the fair value of the interest rate swaps are recorded in interest expense in the consolidated statements of operations.

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NET INCOME PER LIMITED PARTNER UNIT (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Income (Loss) Per Common and Subordinated Units

The following sets forth the computation of basic and diluted net income (loss) per common unit (in thousands, except per unit data): 

	Three Months ended  March 31,
	2014			2015
Net income	3,892			1,579
General partner interest in net income	93			103
Preferred interest in net income	5,391			5,391
Loss available to limited partners	$	(1,592	)	$	(3,915	)
Basic and diluted weighted average number of units:
Common units	22,900			32,894
Restricted and phantom units	526			562
Basic and diluted net loss per common unit	$	(0.07	)	$	(0.12	)

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COMMITMENTS AND CONTINGENCIES

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

COMMITMENT AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

The Partnership is from time to time subject to various legal actions and claims incidental to its business. Management believes that these legal proceedings will not have a material adverse effect on the financial position, results of operations or cash flows of the Partnership. Once management determines that information pertaining to a legal proceeding indicates that it is probable that a liability has been incurred and the amount of such liability can be reasonably estimated, an accrual is established equal to its estimate of the likely exposure.

On October 27, 2008, Keystone Gas Company (“Keystone”) filed suit against the Partnership in Oklahoma State District Court in Creek County alleging that it is the rightful owner of certain segments of the Partnership’s pipelines and related rights of way, located in Payne and Creek Counties, that the Partnership acquired from SemGroup Corporation (“SemCorp”) in connection with the Partnership’s initial public offering in 2007. Keystone seeks to quiet title to the specified rights of way and pipelines and seeks damages up to the net profits derived from the disputed pipelines. There has been no determination of the extent of potential damages for the Partnership’s use of such pipelines. The Partnership has filed a counterclaim against Keystone alleging that it is wrongfully using a segment of a pipeline that is owned by the Partnership in Payne and Creek Counties. The Partnership intends to vigorously defend these claims. No trial date has been set by the court. The parties are engaged in discovery as well as settlement negotiations. The Partnership believes any settlement will not have a material adverse effect on the Partnership's financial condition or results of operations.

On February 6, 2012, the Partnership filed suit against SemCorp and others in Oklahoma County District Court. In the suit, the Partnership is seeking a judgment that SemCorp immediately return approximately 140,000 barrels of crude oil linefill belonging to the Partnership, and the Partnership is seeking judgment in an amount in excess of $75,000 for actual damages, special damages, punitive damages, pre-judgment interest, reasonable attorney’s fees and costs, and such other relief that the Court deems equitable and just. On March 22, 2012, SemCorp filed a motion to dismiss and transfer to Tulsa County.  On April 18, 2012, SemCorp filed a motion for summary judgment, and, on May 1, 2012, the District Court of Oklahoma County ordered a transfer to Tulsa County.  The Partnership contested SemCorp’s motion for summary judgment, which was referred to a Special Master for report and recommendation.  On June 10, 2013, the Special Master filed a report with the District Court of Tulsa County, finding a shortage in the Partnership’s Cushing Terminal and Oklahoma pipeline system of approximately 148,000 barrels and an excess of approximately 130,000 in SemCorp’s physical inventory. The Special Master noted that she was unable to more precisely trace the shortage and length (excess held by SemCorp) due to the manner in which SemCorp operated the Cushing Terminal and maintained related records. On June 25, 2013, the Partnership filed a notice of non-objection and motion to adopt the Special Master’s report, which was granted on February 12, 2014. On September 17, 2013, the Partnership filed a motion for summary judgment as to the liability of SemCorp for the Partnership’s claims for breach of contract and negligence by a bailee.  On October 7, 2013, SemCorp renewed its motion for summary judgment, which the Partnership timely opposed.  On February 20, 2014, the Court denied summary judgment motions of both SemCorp and the Partnership. The Court allowed for additional discovery to take place and referred all discovery matters to the Special Master, as appropriate, and made other procedural rulings. The Partnership reasserted its fraud claims in accordance with the Court’s directives. Discovery proceedings continue and the Partnership has determined that SemCorp knew of its excess inventory and sold this inventory during the period prior to the Partnership's filing of the lawsuit while denying that the Partnership claims had any validity and failing to disclose the excess to the Partnership. The Partnership intends to seek additional damages from SemCorp related to various injuries to the Partnership as a result of SemCorp’s refusal to return the Partnership’s crude oil or to pay the Partnership for the fair market value of the missing oil. 

On November 1, 2014, a multi-vehicular accident occurred resulting in the death of an employee of the Partnership and allegations of injuries to third parties and injury to property. Litigation has been filed by injured third parties. The matter has been submitted to the Partnership’s insurance carriers and the retentions have been reserved. The ultimate outcome of this matter cannot be determined at this time.

On February 13, 2015, a multi-vehicular accident occurred resulting in injury to third parties and two employees of the Partnership as well as property damage. Litigation has been filed by injured third parties. The matter has been submitted to the Partnership’s insurance carriers and the retentions have been reserved. The ultimate outcome of this matter cannot be determined at this time.

The Partnership may become the subject of additional private or government actions regarding these matters in the future.  Litigation may be time-consuming, expensive and disruptive to normal business operations, and the outcome of litigation is difficult to predict.  The defense of these lawsuits may result in the incurrence of significant legal expense, both directly and as the result of the Partnership’s indemnification obligations.  The litigation may also divert management’s attention from the Partnership’s operations which may cause its business to suffer.  An unfavorable outcome in any of these matters may have a material adverse effect on the Partnership’s business, financial condition, results of operations, cash flows, ability to make distributions to its unitholders, the trading price of the Partnership’s common units and its ability to conduct its business. All or a portion of the defense costs and any amount the Partnership may be required to pay to satisfy a judgment or settlement of these claims may or may not be covered by insurance.

The Partnership has contractual obligations to perform dismantlement and removal activities in the event that some of its asphalt product and residual fuel oil terminalling and storage assets are abandoned. These obligations include varying levels of activity including completely removing the assets and returning the land to its original state. The Partnership has determined that the settlement dates related to the retirement obligations are indeterminate. The assets with indeterminate settlement dates have been in existence for many years and with regular maintenance will continue to be in service for many years to come. Also, it is not possible to predict when demands for the Partnership’s terminalling and storage services will cease, and the Partnership does not believe that such demand will cease for the foreseeable future.  Accordingly, the Partnership believes the date when these assets will be abandoned is indeterminate. With no reasonably determinable abandonment date, the Partnership cannot reasonably estimate the fair value of the associated asset retirement obligations.  Management believes that if the Partnership’s asset retirement obligations were settled in the foreseeable future the potential cash flows that would be required to settle the obligations based on current costs are not material.  The Partnership will record asset retirement obligations for these assets in the period in which sufficient information becomes available for it to reasonably determine the settlement dates.

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LONG-TERM INCENTIVE PLAN

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

LONG-TERM INCENTIVE PLAN

LONG-TERM INCENTIVE PLAN

In July 2007, the General Partner adopted the Long-Term Incentive Plan (the “LTIP”). The compensation committee of the Board administers the LTIP. Effective April 29, 2014, the Partnership's unitholders approved an amendment to the LTIP to increase the number of common units reserved for issuance under the incentive plan by 1,500,000 common units from 2,600,000 common units to 4,100,000 common units. The common units are deliverable upon vesting.  Although other types of awards are contemplated under the LTIP, currently outstanding awards include “phantom” units, which convey the right to receive common units upon vesting, and “restricted” units, which are grants of common units restricted until the time of vesting. Certain of the phantom unit awards also include distribution equivalent rights (“DERs”).

Subject to applicable earning criteria, a DER entitles the grantee to a cash payment equal to the cash distribution paid on an outstanding common unit prior to the vesting date of the underlying award. Recipients of restricted units are entitled to receive cash distributions paid on common units during the vesting period which distributions are reflected initially as a reduction of partners’ capital. Distributions paid on units which ultimately do not vest are reclassified as compensation expense.  Awards granted to date are equity awards under ASC 718 - Stock Compensation and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period.  

In each of December 2012, 2013 and 2014, 7,500 restricted common units were granted which vest in one-third increments over three years.  These grants were made in connection with the anniversary of the independent directors joining the Board. The grant date fair value of the restricted units for the 2012 and 2014 grants was less than $0.1 million while the grant date fair value of the restricted units for the 2013 grant was $0.1 million.

In March 2013, 2014 and 2015, grants for 251,106, 276,773 and 266,076 phantom units, respectively, were made, which vest on January 1, 2016, January 1, 2017 and January 1, 2018, respectively.  These grants are equity awards under ASC 718 – Stock Compensation, and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period. The weighted average grant date fair-value of the awards is $8.75, $9.06 and $7.74 per unit, respectively, which is the closing market price on the grant date of the awards. The value of these award grants was approximately $2.2 million, $2.5 million and $2.1 million respectively, on their grant date. The unrecognized estimated compensation cost of outstanding phantom units at March 31, 2015 was $3.8 million, which will be recognized over the remaining vesting period.

In September 2012, Mr. Mark Hurley was granted 500,000 phantom units under the LTIP upon his employment as the Chief Executive Officer of the General Partner. These grants are equity awards under ASC 718 – Stock Compensation, and, accordingly, the fair value of the awards as of the grant date is expensed over the vesting period. These units vest ratably over five years pursuant to the Employee Phantom Unit Agreement between Mr. Hurley and the General Partner and do not include DERs. The weighted average grant date fair value for the units of $5.62 was determined based on the closing market price of the Partnership’s common units on the grant date of the award, less the present value of the estimated distributions to be paid to holders of an outstanding common unit prior to the vesting of the underlying award. The value of this award grant was approximately $2.8 million on the grant date, and the unrecognized estimated compensation cost at March 31, 2015 was $1.4 million and will be expensed over the remaining vesting period.

The Partnership’s equity-based incentive compensation expense for each of the three months ended March 31,2014 and 2015 was $0.5 million.

Activity pertaining to phantom common units and restricted common unit awards granted under the Plan is as follows: 

	Number of Units	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014	1,020,264	$	7.46
Granted	266,076	7.74
Vested	222,800	6.76
Forfeited	14,765	8.96
Nonvested at March 31, 2015	1,048,775	$	7.66

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PARTNERS' CAPITAL AND DISTRIBUTIONS

3 Months Ended

Mar. 31, 2015

Partners' Capital Account, Distributions [Abstract]

PARTNERS' CAPITAL AND DISTRIBUTIONS

PARTNERS’ CAPITAL AND DISTRIBUTIONS

On September 22, 2014, the Partnership issued and sold 9,775,000 common units for a public offering price of $7.61, resulting in proceeds of approximately $71.2 million, net of underwriters' discount and offering expenses of $3.2 million.

On April 21, 2015, the Board approved a distribution of $0.17875 per preferred unit, or a total distribution of $5.4 million, for the quarter ending March 31, 2015.  The Partnership will pay this distribution on the preferred units on May 15, 2015 to unitholders of record as of May 5, 2015.

In addition, on April 21, 2015, the Board declared a cash distribution of $0.1395 per unit on its outstanding common units, a 2.2% increase over the previous quarter’s distribution. The distribution will be paid on May 15, 2015 to unitholders of record on May 5, 2015. The distribution is for the three months ended March 31,2015. The total distribution will be approximately $5.0 million, with approximately $4.6 million and $0.3 million to be paid to the Partnership’s common unitholders and general partner, respectively, and $0.1 million to be paid to holders of phantom and restricted units pursuant to awards granted under the Partnership’s long-term incentive plan.

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RELATED PARTY TRANSACTIONS

3 Months Ended

Mar. 31, 2015

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

The Partnership provides crude oil gathering, transportation, terminalling and storage services to Vitol as well as certain operating, strategic assessment, economic evaluation and project design services.  For the three months ended March 31,2014 and 2015, the Partnership recognized revenues of $12.0 million and $9.9 million, respectively, for services provided to Vitol. As of December 31, 2014 and March 31, 2015, the Partnership had receivables from Vitol of $2.3 million and $2.7 million, net of allowance for doubtful accounts. As of December 31, 2014 and March 31, 2015, the Partnership had unearned revenues from Vitol of $1.0 million and $0.9 million, respectively.

The Partnership also provides operating and administrative services to Advantage Pipeline. For the three months ended March 31,2014 and 2015, the Partnership earned revenues of $0.2 million and $0.3 million, respectively, for services provided to Advantage Pipeline. As of December 31, 2014 and March 31, 2015, the Partnership had receivables from Advantage Pipeline of less than $0.1 million for both periods.

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EMPLOYEE BENEFIT PLAN

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

EMPLOYEE BENEFIT PLAN

EMPLOYEE BENEFIT PLANS

Under the Partnership’s 401(k) Plan, which was instituted in 2009, employees who meet specified service requirements may contribute a percentage of their total compensation, up to a specified maximum, to the 401(k) Plan. The Partnership may match each employee’s contribution, up to a specified maximum, in full or on a partial basis.  The Partnership recognized expense of $0.4 million for each of the three months ended March 31,2014 and 2015 for discretionary contributions under the 401(k) Plan.

The Partnership may also make annual lump-sum contributions to the 401(k) Plan irrespective of the employee’s contribution match. The Partnership may make a discretionary annual contribution in the form of profit sharing calculated as a percentage of an employee’s eligible compensation. This contribution is retirement income under the qualified 401(k) Plan. Annual profit sharing contributions to the 401(k) Plan are submitted to and approved by the Board. The Partnership recognized expense of $0.2 million for both the three months ended March 31,2014 and 2015 for discretionary profit sharing contributions under the 401(k) Plan.

Under the Partnership’s Unit Purchase Plan, which was instituted in January 2015, employees have the opportunity to acquire or increase their ownership of common units representing limited partner interests in the Partnership. Eligible employees who enroll in the Unit Purchase Plan may elect to have a designated whole percentage, up to a specified maximum, of their eligible compensation for each pay period withheld for the purchase of common units at a discount to the then current market value. A maximum of 1,000,000 common units may be delivered under the Unit Purchase Plan, subject to adjustment for a recapitalization, split, reorganization or similar event pursuant to the terms of the Unit Purchase Plan. The Partnership recognized compensation expense of less than $0.1 million for the three months ended March 31,2015 in connection with the Unit Purchase Plan.

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PARTNERS' CAPITAL AND DISTRIBUTIONS Issuances Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Sep. 22, 2014
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Issued		9,775,000
Sale of Stock, Price Per Share		$ 7.61
Limited Partners' Offering Costs	$ 3.2
Limited Partner [Member]
Capital Unit [Line Items]
Proceeds from Issuance of Common Limited Partners Units	$ 71.2

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RECENTLY ISSUED ACCOUNTING STANDARDS

3 Months Ended

Mar. 31, 2015

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

RECENTLY ISSUED ACCOUNTING STANDARDS

RECENTLY ISSUED ACCOUNTING STANDARDS

In April 2014, the FASB issued ASU 2014-08, “Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity.” The amendments in this update change the criteria for reporting discontinued operations for all public and nonpublic entities. The amendments also require new disclosures about discontinued operations and disposals of components of an entity that do not qualify for discontinued operations reporting. The amendments in this update are effective for fiscal years, and interim periods within those years, beginning after December 15, 2014. The Partnership adopted this update for the period ending March 31, 2015, and there was no impact on the Partnership’s financial position, results of operations or cash flows.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers.” The amendments in this update create Topic 606, Revenue from Contracts with Customers, and supersede the revenue recognition requirements in Topic 605, Revenue Recognition, including most industry-specific revenue recognition guidance throughout the Industry Topics of the Codification. In addition, the amendments supersede the cost guidance in Subtopic 605-35, Revenue Recognition-Construction-Type and Production-Type Contracts, and create new Subtopic 340-40, Other Assets and Deferred Costs-Contracts with Customers. In summary, the core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amendments in this update are effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership’s quarterly report for the period ending March 31, 2018.

In August 2014, the FASB issued ASU 2014-15, “Presentation of Financial Statements - Going Concern.” The update provides U.S. GAAP guidance on management’s responsibility in evaluating whether there is substantial doubt about a company’s ability to continue as a going concern and about related footnote disclosures. For each reporting period, management will be required to evaluate whether there are conditions or events that raise substantial doubt about a company’s ability to continue as a going concern within one year from the date the financial statements are issued. The amendments in this update are effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership's annual report for the period ending December 31, 2016.

On April 7, 2015, the FASB issued ASU 2015-03, “Simplifying the Presentation of Debt Issuance Costs”,which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. This update is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. The Partnership is evaluating the impact of this guidance, which will be adopted beginning with the Partnership's quarterly report for the period ending March 31, 2016.

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OPERATING SEGMENTS (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table reflects certain financial data for each segment for the periods indicated (in thousands):  

	Three Months ended  March 31,
	2014		2015
Crude Oil Terminalling and Storage Services
Service revenue
Third party revenue	$	2,841	$	2,553
Related party revenue	4,515		3,077
Total revenue for reportable segments	7,356		5,630
Operating expense (excluding depreciation and amortization)	970		1,561
Operating margin (excluding depreciation and amortization)	6,386		4,069
Total assets (end of period)	$	67,436	$	68,859
Crude Oil Pipeline Services
Service revenue
Third party revenue	$	3,099	$	4,275
Related party revenue	1,887		2,383
Total revenue for reportable segments	4,986		6,658
Operating expense (excluding depreciation and amortization)	4,381		3,909
Operating margin (excluding depreciation and amortization)	605		2,749
Total assets (end of period)	$	164,902	$	184,061
Crude Oil Trucking and Producer Field Services
Service revenue
Third party revenue	$	13,850	$	10,682
Related party revenue	5,547		4,621
Total revenue for reportable segments	19,397		15,303
Operating expense (excluding depreciation and amortization)	16,980		14,118
Operating margin (excluding depreciation and amortization)	2,417		1,185
Total assets (end of period)	$	24,877	$	18,002
Asphalt  Services
Service revenue
Third party revenue	$	14,446	$	14,613
Related party revenue	257		152
Total revenue for reportable segments	14,703		14,765
Operating expense (excluding depreciation and amortization)	6,852		6,152
Operating margin (excluding depreciation and amortization)	7,851		8,613
Total assets (end of period)	$	97,742	$	90,979
Total operating margin (excluding depreciation and amortization)(1)	$	17,259	$	16,616

____________________

(1)The following table reconciles segment operating margin (excluding depreciation and amortization) to income before income taxes (in thousands):

	Three Months ended March 31,
	2014			2015
Operating margin (excluding depreciation and amortization)	$	17,259		$	16,616
Depreciation and amortization	(6,317		)	(6,646		)
General and administrative expenses	(4,487		)	(4,977		)
Asset impairment expense	—			—
Gain on sale of assets	397			304
Interest expense	(2,655		)	(4,283		)
Equity earnings (loss) in unconsolidated affiliate	(204		)	656
Income before income taxes	$	3,993		$	1,670

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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) (Pending Litigation [Member], Physical Management and Control of Crude Oil [Member], USD $)	Jun. 10, 2013 bbl	Feb. 06, 2012 bbl
Loss Contingencies [Line Items]
Judgement seeking immediate return of crude cil Linefill belonging to company (in BOE)		140,000
Gain Contingency, Partnership's Shortage Found by Special Master	148,000
Gain Contingency, Defendent's Overage Found By Special Master	130,000
Minimum [Member]
Loss Contingencies [Line Items]
Gain contingency, unrecorded amount		75,000

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CONSOLIDATED STATEMENTS OF OPERATIONS CONSOLIDATED STATEMENT OF OPERATIONS (Parenthetical) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Capitalized interest	$ 0.1	$ 0.1
Diluted net income per common unit	$ (0.12)	$ (0.07)
Weighted Average Limited Partnership Units Outstanding, Diluted	32,894	22,900

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PROPERTY, PLANT AND EQUIPMENT

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

	Estimated Useful Lives (Years)	December 31, 2014			March 31,  2015
		(dollars in thousands)
Land	N/A	$	18,292		$	19,287
Land improvements	10-20	6,398			6,398
Pipelines and facilities	5-30	168,537			175,333
Storage and terminal facilities	10-35	240,004			242,027
Transportation equipment	3-10	13,557			13,219
Office property and equipment and other	3-20	28,958			29,050
Pipeline linefill and tank bottoms	N/A	10,186			10,186
Construction-in-progress	N/A	16,671			12,333
Property, plant and equipment, gross		502,603			507,833
Accumulated depreciation		(192,440		)	(198,600		)
Property, plant and equipment, net		$	310,163		$	309,233

Depreciation expense for the three months ended March 31,2014 and 2015 was $6.3 million and $6.6 million, respectively.

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INCOME TAXES (Tables)

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets

In relation to the Partnership’s taxable subsidiary, the tax effects of temporary differences between the tax basis of assets and liabilities and their financial reporting amounts at March 31, 2015 are presented below (dollars in thousands):

Deferred tax assets
Difference in bases of property, plant and equipment	$	933
Deferred tax asset	933
Less: valuation allowance	(933		)
Net deferred tax asset	$	—

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EMPLOYEE BENEFIT PLAN EUPP (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
EUPP [Abstract]
Employee Stock Ownership Plan (ESOP), Shares in ESOP	1,000,000
Employee Stock Ownership Plan (ESOP), Compensation Expense	$ 0.1

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INCOME TAXES

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

The anticipated after-tax economic benefit of an investment in the Partnership’s units depends largely on the Partnership being treated as a partnership for federal income tax purposes. If less than 90% of the gross income of a publicly traded partnership, such as the Partnership, for any taxable year is “qualifying income” from sources such as the transportation, marketing (other than to end users), or processing of crude oil, natural gas or products thereof, interest, dividends or similar sources, that partnership will be taxable as a corporation under Section 7704 of the Internal Revenue Code for federal income tax purposes for that taxable year and all subsequent years.

If the Partnership were treated as a corporation for federal income tax purposes, then it would pay federal income tax on its income at the corporate tax rate, which is currently a maximum of 35%, and would likely pay state income tax at varying rates. Distributions would generally be taxed again to unitholders as corporate distributions and none of the Partnership’s income, gains, losses, deductions or credits would flow through to its unitholders. Because a tax would be imposed upon the Partnership as an entity, cash available for distribution to its unitholders would be substantially reduced. Treatment of the Partnership as a corporation would result in a material reduction in the anticipated cash flow and after-tax return to unitholders and thus would likely result in a substantial reduction in the value of the Partnership’s units.

The Partnership has entered into storage contracts and leases with third party customers with respect to substantially all of its asphalt facilities. At the time of entering into such agreements, it was unclear under current tax law as to whether the rental income from the leases, and the fees attributable to certain of the processing services the Partnership provides under certain of the storage contracts, constitute “qualifying income.” In the second quarter of 2009, the Partnership submitted a request for a ruling from the IRS that rental income from the leases constitutes “qualifying income.” In October 2009, the Partnership received a favorable ruling from the IRS. As part of this ruling, however, the Partnership agreed to transfer, and has transferred, certain of its asphalt processing assets and related fee income to a subsidiary taxed as a corporation. This transfer occurred in the first quarter of 2010.  Such subsidiary is required to pay federal income tax on its income at the corporate tax rate, which is currently a maximum of 35%, and will likely pay state (and possibly local) income tax at varying rates. Distributions from this subsidiary will generally be taxed again to unitholders as corporate distributions and none of the income, gains, losses, deductions or credits of this subsidiary will flow through to the Partnership’s unitholders.

In relation to the Partnership’s taxable subsidiary, the tax effects of temporary differences between the tax basis of assets and liabilities and their financial reporting amounts at March 31, 2015 are presented below (dollars in thousands):

Deferred tax assets
Difference in bases of property, plant and equipment	$	933
Deferred tax asset	933
Less: valuation allowance	(933		)
Net deferred tax asset	$	—

The Partnership has considered the taxable income projections in future years, whether the carryforward period is so brief that it would limit realization of tax benefits, whether future revenue and operating cost projections will produce enough taxable income to realize the deferred tax asset based on existing service rates and cost structures, and the Partnership’s earnings history exclusive of the loss that created the future deductible amount for the Partnership’s subsidiary that is taxed as a corporation for purposes of determining the likelihood of realizing the benefits of the deferred tax assets. As a result of the Partnership’s consideration of these factors, the Partnership has provided a full valuation allowance against its deferred tax asset as of March 31, 2015.