Exhibit 3.51

State of Delaware

Secretary of State

Division of Corporations

Delivered 07:55 PM 12/13/2013

FILED 07:11 PM 12/13/2013

SRV 131426147 – 4742748 FILE

STATE OF DELAWARE

CERTIFICATE OF AMENDMENT

OF

INERGY CRUDE LOGISTICS, LLC

The undersigned, being the Authorized Person of Inergy Crude Logistics, LLC (the “Company”), for the purpose of amending the Company’s Certificate of Formation under the Delaware Limited Liability Company Act (the “Act”), hereby makes, acknowledges and files this Certificate of Amendment.

The current name of the Company is Inergy Crude Logistics, LLC.

The following paragraphs of the Certificate of Formation are hereby amended and restated as follows:

1. The name of the limited liability company is “Crestwood Crude Logistics LLC”.

2. The registered office of the Company in the State of Delaware is located at 1209 Orange Street, Wilmington, New Castle County, DE 19801. The name of its registered agent at such address is The Corporation Trust Company.

IN WITNESS WHEREOF, the undersigned, for the purpose of amending the Certificate of Formation of the Company under the Act, has executed this Certificate of Amendment this 13^th day of December, 2013.

INERGY CRUDE LOGISTICS, LLC
By:	/s/ Michael K. Post
	Michael K. Post, Authorized Person