Exhibit 25.1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM T-1

STATEMENT OF ELIGIBILITY

UNDER THE TRUST INDENTURE ACT OF 1939 OF A

CORPORATION DESIGNATED TO ACT AS TRUSTEE

¨ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2)

WELLS FARGO BANK, NATIONAL ASSOCIATION

(Exact name of trustee as specified in its charter)

A National Banking Association	94-1347393
(Jurisdiction of incorporation or organization if not a U.S. national bank)	(I.R.S. Employer Identification No.)
101 North Phillips Avenue
Sioux Falls, South Dakota	57104
(Address of principal executive offices)	(Zip code)

Wells Fargo & Company

Law Department, Trust Section

MAC N9305-175

Sixth Street and Marquette Avenue, 17^th Floor

Minneapolis, Minnesota 55479

(612) 667-4608

(Name, address and telephone number of agent for service)

SANDRIDGE ENERGY, INC.

(Exact name of obligor as specified in its charter)

Delaware	20-8084793
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No

123 Robert S. Kerr Avenue, Oklahoma City,

Oklahoma 73102

TELEPHONE: (405) 429-5500

(Address, Including Zip Code, and Telephone Number, Including Area

Code, of Registrant’s Principal Executive Offices)

7.5% Senior Notes due 2021

And Guarantees

GUARANTORS

Exact name of Additional Registrant as Specified in it Charter	State of Incorporation or Organization	IRS Employee Identification No.
*SandRidge Onshore, LLC	Delaware	47-0953489
*Lariat Services, Inc.	Texas	75-2500702
*SandRidge Operating Company	Texas	75-2541245
*Integra Energy, L.L.C.	Texas	75-2887527
*SandRidge Exploration and Production, LLC	Delaware	87-0776535
*SandRidge Tertiary, LLC	Texas	20-1918006
*SandRidge Midstream, Inc.	Texas	75-2541148
*SandRidge Offshore, LLC	Delaware	11-3758786
*SandRidge Holdings, Inc.	Delaware	20-5878401

*Guarantor has the same principal executive office and phone number as SandRidge Energy, Inc.

Item 1. General Information. Furnish the following information as to the trustee:

(a) Name and address of each examining or supervising authority to which it is subject.

Comptroller of the Currency

Administrator of National Banks

United States Department of the Treasury

Washington, D.C. 20219

Federal Deposit Insurance Corporation

550 17^th Street, N.W.

Washington, D.C. 20429

Federal Reserve Bank of San Francisco

P.O. Box 7702

San Francisco, CA 94120

(b) Whether it is authorized to exercise corporate trust powers.

The trustee is authorized to exercise corporate trust powers.

Item 2. Affiliations with Obligor. If the obligor is an affiliate of the trustee, describe each such affiliation.

None with respect to the trustee.

No responses are included for Items 3-14 of this Form T-1 because the obligor is not in default as provided under Item 13.

Item 15. Foreign Trustee. Not applicable.

Item 16. List of Exhibits. List below all exhibits filed as a part of this Statement of Eligibility.

Exhibit 1. A copy of the Articles of Association of the trustee now in effect.*

Exhibit 2. A copy of the Comptroller of the Currency Certificate of Corporate Existence and Fiduciary Powers for Wells Fargo Bank, National Association, dated February 4, 2004.**

Exhibit 3. See Exhibit 2

Exhibit 4. Copy of By-laws of the trustee as now in effect.***

Exhibit 5. Not applicable.

Exhibit 6. The consent of the trustee required by Section 321(b) of the Act.

Exhibit 7. A copy of the latest report of condition of the trustee published pursuant to law or the requirements of its supervising or examining authority.

Exhibit 8. Not applicable.

Exhibit 9. Not applicable.

* Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit 25 to the Form S-4 dated December 30, 2005 of Hornbeck Offshore Services LLC file number 333-130784-06.

** Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit TG3 to the Form T-3 dated March 3, 2004 of Trans-Lux Corporation file number 022-28721.

*** Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit 25.1 to the Form S-4 dated May 26, 2005 of Penn National Gaming Inc. file number 333-125274.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the trustee, Wells Fargo Bank, National Association, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of Dallas and State of Texas on the 23rd day of September, 2011.

WELLS FARGO BANK, NATIONAL ASSOCIATION

John C. Stohlmann

Vice President

EXHIBIT 6

September 23, 2011

Securities and Exchange Commission

Washington, D.C. 20549

Gentlemen:

In accordance with Section 321(b) of the Trust Indenture Act of 1939, as amended, the undersigned hereby consents that reports of examination of the undersigned made by Federal, State, Territorial, or District authorities authorized to make such examination may be furnished by such authorities to the Securities and Exchange Commission upon its request thereof.

Very truly yours,

WELLS FARGO BANK, NATIONAL ASSOCIATION

John C. Stohlmann

Vice President

EXHIBIT 7

Consolidated Report of Condition of

Wells Fargo Bank, National Association

of 101 North Phillips Avenue, Sioux Falls, SD 57104

And Foreign and Domestic Subsidiaries,

at the close of business June 30, 2011, filed in accordance with 12 U.S.C. §161 for National Banks.

		Dollar Amounts In Millions
ASSETS
Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin		$	24,433
Interest-bearing balances			66,533
Securities:
Held-to-maturity securities			0
Available-for-sale securities			154,068
Federal funds sold and securities purchased under agreements to resell:
Federal funds sold in domestic offices			4,142
Securities purchased under agreements to resell			15,186
Loans and lease financing receivables:
Loans and leases held for sale			21,688
Loans and leases, net of unearned income	689,075
LESS: Allowance for loan and lease losses	17,922
Loans and leases, net of unearned income and allowance			671,153
Trading Assets			33,481
Premises and fixed assets (including capitalized leases)			8,103
Other real estate owned			4,705
Investments in unconsolidated subsidiaries and associated companies			566
Direct and indirect investments in real estate ventures			107
Intangible assets
Goodwill			20,936
Other intangible assets			25,816
Other assets			53,916
Total assets		$	1,104,833
LIABILITIES
Deposits:
In domestic offices		$	761,154
Noninterest-bearing	181,676
Interest-bearing	579,478
In foreign offices, Edge and Agreement subsidiaries, and IBFs			93,814
Noninterest-bearing	1,901
Interest-bearing	91,913
Federal funds purchased and securities sold under agreements to repurchase:
Federal funds purchased in domestic offices			3,170
Securities sold under agreements to repurchase			13,304

	Dollar Amounts In Millions
Trading liabilities		20,222
Other borrowed money
(includes mortgage indebtedness and obligations under capitalized leases)		39,048
Subordinated notes and debentures		17,392
Other liabilities		31,532
Total liabilities	$	979,636
EQUITY CAPITAL
Perpetual preferred stock and related surplus		0
Common stock		519
Surplus (exclude all surplus related to preferred stock)		99,145
Retained earnings		18,601
Accumulated other comprehensive income		5,614
Other equity capital components		0
Total bank equity capital		123,879
Noncontrolling (minority) interests in consolidated subsidiaries		1,318
Total equity capital		125,197
Total liabilities, and equity capital	$	1,104,833

I, Timothy J. Sloan, EVP & CFO of the above-named bank do hereby declare that this Report of Condition has been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and is true to the best of my knowledge and belief.

Timothy J. Sloan

EVP & CFO    

We, the undersigned directors, attest to the correctness of this Report of Condition and declare that it has been examined by us and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and is true and correct.

John Stumpf	Directors
Carrie Tolstedt
Michael Loughlin