Barnett Shale Operators   Directory of gas and oil companies Chief Oil and Gas Devon Energy Encana Energy Chesapeake Energy Burlington Resources ( Conoco-Phillips ) Tom Brown Inc. Quicksilver Resources DTE Energy - DTE Resources EOG Resources XTO Energy J-W Operating Cohort Energy Sundance Resources Westside Energy Corp. David H. Arrington Citrus Energy       Forest Oil Corporation Polaris Explorer Ltd. - seismic services Range Resources (Stroud) Lexington Resources Reichmann Petroleum Carrizo Oil and Gas, Inc. Patriot Exploration Co., Inc. Aspect Energy Terax Energy Cholla Petroleum, Inc. Ness Energy Williams Production Co. Trace Energy - seismic services TimeSlice Technology, Inc. - seismic services Energy Transfer Partners, LLP - pipeline operator Lonestar Midstream, LP - pipeline operator Pecan Pipeline Company