Exhibit 23.5
CONSENT OF SCHLUMBERGER TECHNOLOGY CORPORATION
As independent petroleum engineers, PetroTechnical Services Division of Schlumberger Technology Corporation hereby consents to the inclusion or incorporation by reference in this Registration Statement on Form S-3 (the “Registration Statement”) of information from our firm’s reserves report dated 23 January 2015 entitled Reserve and Economic Evaluation Of Proved Reserves Of Certain BreitBurn Management Company, LLC Illinois and Michigan Basin Oil And Gas Interests As Of 31 December 2014 Executive Summary, and all references to our firm included in or made part of the Registration Statement.
PetroTechnical Services
Division of Schlumberger Technology Corporation
/s/ Charles M. Boyer II
Charles M. Boyer II, PG, CPG
Northeast Basin Business Manager
Advisor – Unconventional Reservoirs
Canonsburg, Pennsylvania
19 May 2015