Colorado State University

Gathering and Processing Sponsors

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Access Midstream*

Anadarko Petroleum

Environmental Defense Fund

Hess Corporation

Southwestern Energy


Funding for EDF’s methane research series, including this work, is provided by Fiona and Stan Druckenmiller, Heising-Simons Foundation, Bill and Susan Oberndorf, Betsy and Sam Reeves, Robertson Foundation, Alfred P. Sloan Foundation, TomKat Charitable Trust, and the Walton Family Foundation.

DCP Midstream contributed to the study as a Data Participant.

* Subsequent to the field sampling campaign of the study, the Williams Companies purchased the controlling interest in Access Midstream Partners L.P. (“Access”) by acquiring 100% of the general partnership interest of Access.  A merger between Access and Williams Partners L.P. occurred on February 2, 2015.


Energy Institute Member Organizations

Center for Energy and Behavior Center for Energy Development and Health Center for Energy Water Sustainability Center for Laser Sensing and Diagnostics Center for Next Generation Photovoltaics Center for the New Energy Economy Electric Power Systems Laboratory Engines and Energy Conversion Laboratory Industrial Assessment Center Institute for the Built Environment Rural Energy Center Sustainable Biofuels Development Center