Exhibit 3.58

Corporations Section		Hope Andrade
P.O.Box 13697		Secretary of State
Austin, Texas 78711-3697

Office of the Secretary of State

CERTIFICATE OF FILING

OF

Cowtown Pipeline Partners L.P.

800636088

The undersigned, as Secretary of State of Texas, hereby certifies that a Certificate of Amendment for the above named entity has been received in this office and has been found to conform to the applicable provisions of law.

ACCORDINGLY, the undersigned, as Secretary of State, and by virtue of the authority vested in the secretary by law, hereby issues this certificate evidencing filing effective on the date shown below.

Dated: 06/09/2011

Effective: 06/09/2011

	Hope Andrade      Secretary of State

Come visit us on the internet at http://www.sos.state.tx.us/
Phone: (512) 463-5555	Fax: (512) 463-5709	Dial: 7-1-1 for Relay Services
Prepared by: Lisa Sartin	TID: 10303	Document: 371706960002

Form 424	Certificate of Amendment	This space reserved for office use.
(Revised 01/06)
Return in duplicate to: Secretary of State P.O. Box 13697
Austin, TX 78711-3697
512 463-5555
FAX: 512/463-5709
Filing Fee: See instructions

Entity Information

The name of the filing entity is:

Cowtown Pipeline Partners L.P.

State the name of the entity as currently shown in the records of the secretary of state. If the amendment changes the name of the entity, state the old name and not the new name.

The filing entity is a: (Select the appropriate entity type below.)

¨ For-profit Corporation	¨ Professional Corporation
¨ Nonprofit Corporation	¨ Professional Limited Liability Company
¨ Cooperative Association	¨ Professional Association
¨ Limited Liability Company	x Limited Partnership

The file number issued to the filing entity by the secretary of state is: 800636088

The date of formation of the entity is: March 31, 2006

Amendments

1. Amended Name

(If the purpose of the certificate of amendment is to change the name of the entity, use the following statement)

The amendment changes the certificate of formation to change the article or provision that names the filing entity. The article or provision is amended to read as follows:

The name of the filing entity is: (state the new name of the entity below)

The name of the entity must contain an organizational designation or accepted abbreviation of such term, as applicable.

Form 424 6

2. Amended Registered Agent/Registered Office

The amendment changes the certificate of formation to change the article or provision stating the name of the registered agent and the registered office address of the filing entity. The article or provision is amended to read as follows:

Registered Agent

(Complete either A or B, but not both. Also complete C.)

¨ A. The registered agent is an organization (cannot be entity named above) by the name of:

OR

¨ B. The registered agent is an individual resident of the state whose name is:

First Name M.I Last Name Suffix

C. The business address of the registered agent and the registered office address is:

		TX
Street Address (No P.O. Box)	City	State	Zip Code

3. Other Added, Altered, or Deleted Provisions

Other changes or additions to the certificate of formation may be made in the space provided below, If the space provided is insufficient, incorporate the additional text by providing an attachment to this form. Please read the instructions to this form for further information on format.

Text Area (The attached addendum, if any, is incorporated herein by reference.)

¨ Add each of the following provisions to the certificate of formation. The identification or reference of the added provision and the full text are as follows:

x Alter each of the following provisions of the certificate of formation. The identification or reference of the altered provision and the full text of the provision as amended are as follows:
The name and address of the general partner is:	Crestwood Gas Services Operating GP LLC
	717 Texas Avenue, Suite 3150
	Houston, Texas 77002

¨ Delete each of the provisions identified below from the certificate of formation.

Statement of Approval

The amendments to the certificate of formation have been approved in the manner required by the Texas Business Organizations Code and by the governing documents of the entity.

Form 424 7

Effectiveness of Filing (Select either A, B, or C.)

A. x This document becomes effective when the document is filed by the secretary of state.

B. ¨ This document becomes effective at a later date, which is not more than ninety (90) days from the date of signing. The delayed effective date is:                                                                                                                                                                                             

C. ¨ This document takes effect upon the occurrence of a future event or fact, other than the passage of time. The 90^th day after the date of signing is:                                                                                                                                                                                             

The following event or fact will cause the document to take effect in the manner described below:

Execution

The undersigned signs this document subject to the penalties imposed by law for the submission of a materially false or fraudulent instrument.

Date: June 9, 2011

Kelly Jameson, Secretary

By Crestwood Gas Services Operating GP LLC

Signature and title of authorized person(s) (see instructions)

Form 424 8