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Exhibit 25.2

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

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

MARKWEST ENERGY PARTNERS, L.P.
MARKWEST ENERGY FINANCE CORPORATION
(Exact name of obligor as specified in its charter)

Delaware
Delaware
(State or other jurisdiction of
incorporation or organization) 27-0005456
20-1805917
(I.R.S. Employer
Identification No.)

1515 Arapahoe Street
Tower 2, Suite 700
Denver, Colorado 80202
(303) 925-9200
(Address, Including Zip Code, and Telephone Number, Including Area
Code, of Registrant's Principal Executive Offices)

SHELF REGISTRATION

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
Treasury Department
Washington, D.C.

Federal Deposit Insurance Corporation
Washington, D.C.

Federal Reserve Bank of San Francisco
San Francisco, California 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 25 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 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 4th day of March, 2009.

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/ Patrick T. Giordano
Patrick T. Giordano
Vice President

EXHIBIT 6

March 5, 2009


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

/s/ Patrick T. Giordano
Patrick T. Giordano
Vice President

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 December 31, 2008, 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			$	11,932
	Interest-bearing balances				15,623
Securities:
	Held-to-maturity securities				0
	Available-for-sale securities				73,363
Federal funds sold and securities purchased under agreements to resell:
	Federal funds sold in domestic offices				19,749
	Securities purchased under agreements to resell				1,513
Loans and lease financing receivables:
	Loans and leases held for sale				13,140
	Loans and leases, net of unearned income		335,209
	LESS: Allowance for loan and lease losses		8,273
	Loans and leases, net of unearned income and allowance				326,936
Trading Assets					11,366
Premises and fixed assets (including capitalized leases)					4,347
Other real estate owned					1,031
Investments in unconsolidated subsidiaries and associated companies					427
Intangible assets
	Goodwill				11,371
	Other intangible assets				15,449
Other assets					32,711
Total assets				$	538,958
LIABILITIES
Deposits:
	In domestic offices			$	308,404
		Noninterest-bearing	75,417
		Interest-bearing	232,987
	In foreign offices, Edge and Agreement subsidiaries, and IBFs				38,446
		Noninterest-bearing	991
		Interest-bearing	37,455
Federal funds purchased and securities sold under agreements to repurchase:
	Federal funds purchased in domestic offices				45,153
	Securities sold under agreements to repurchase				28,427

		Dollar Amounts In Millions
Trading liabilities			7,240
Other borrowed money
	(includes mortgage indebtedness and obligations under capitalized leases)		43,555
Subordinated notes and debentures			12,971
Other liabilities			12,957
Total liabilities		$	497,153
Minority interest in consolidated subsidiaries			154
EQUITY CAPITAL
Perpetual preferred stock and related surplus			0
Common stock			520
Surplus (exclude all surplus related to preferred stock)			28,659
Retained earnings			16,644
Accumulated other comprehensive income			(4,172	)
Other equity capital components			0
Total equity capital			41,651
Total liabilities, minority interest, and equity capital		$	538,958

I, Howard I. Atkins, 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.

Howard I. Atkins
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.

Dave Hoyt
John Stumpf	Directors
Carrie Tolstedt

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Exhibit 25.2

SIGNATURE
EXHIBIT 6
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 December 31, 2008, filed in accordance with 12 U.S.C. §161 for National Banks.