Related by context. Frequent words. (Click for all words.) 56 Antero Resources 52 Plains Exploration 51 Esso Exploration 51 Encana Oil 50 OMDA Oil 49 PPL Montana 49 Presco 49 Magnum Coal 48 SemCrude 48 Whiting Petroleum Corp. 48 Newfield Exploration 48 Rental Tools 47 Wexpro 47 Harman Mining 47 Mexco Energy Corporation 47 Whiting Petroleum 47 Wavefront Energy 46 Sanish field 46 Atlantic Richfield 46 BPXA 46 QEP Resources 46 GeoMet 46 coalbed methane 46 Newfield Exploration Co. 46 Andes Petroleum 46 Thailand PTT Exploration 46 Magellan Midstream Partners LP 46 Questar Pipeline 46 Chesapeake Appalachia 46 Canext 46 Columbia Gas Transmission 45 Powder River Basin 45 Williams NYSE WMB 45 Cimarex Energy Co. 45 Fairbanks Natural Gas 45 Animas La Plata 45 TXCO Resources 45 Newfield Exploration Company 45 Energen Resources 45 Questar Corp. 45 Gasco Energy 45 Cimarex Energy 45 Powertech Uranium Corp. 45 MI SWACO 44 Dakota Gasification 44 NorthernStar Natural Gas 44 Vetco Gray 44 Consol Energy Inc 44 USEG 44 PetroQuest Energy 44 Kerr McGee 44 NYSE WLL 44 EnerVest 44 Equilon 44 Petro Reef 44 CalEnergy 44 Coeur Alaska 44 Transocean Offshore 44 Westmoreland Coal 44 Invenergy Wind 44 Questar 44 Coalbed methane 44 Intervenor 43 Optim Energy 43 Anadarko Petroleum Corp. 43 CNX Gas Corporation 43 Uranerz Energy 43 Baytex Energy 43 Texon 43 Chevron Corp CVX.N 43 Exall Energy 43 ConocoPhillips 43 Nitro Petroleum 43 Big Hurrah 43 TransCanada Keystone 43 AJM Petroleum Consultants 43 gas driller 43 Cook Inlet Region 43 Oneok Partners 43 Bucking Horse Energy 43 MBoe 43 Mboe 43 ConocoPhillips COP.N 43 MegaWest Energy 43 Questar E 43 saltwater disposal 43 Workover 43 Concho Resources 43 WellDog 43 Pioneer Natural Resources 43 Ruby Pipeline 43 GMX Resources Inc. 43 Montanore 43 Revett Minerals 43 GeoPetro 43 Pohokura 43 Tengizchevroil 43 CARBO Ceramics Inc. 43 Phelps Dodge Mining 43 high Btu bituminous 43 North Slope