Related by context. Frequent words. (Click for all words.) 46 Weatherford 46 Payne 41 Chevron 40 Chesapeake Energy 40 ConocoPhillips 39 Schlumberger 38 Exxon Mobil 37 Halliburton 37 ExxonMobil 37 McClendon 37 Harrell 36 Hodges 35 Hess 35 Transocean 35 Tesoro 35 PDVSA 35 Petrobras 33 Pickens 33 Exxon 33 Pemex 33 UNT 32 Prater 32 EnCana 32 Baker 32 Anadarko 32 Noble 32 drilling rigs 31 oilfield 31 rig 31 Holt 31 Boyd 31 Bristow 31 Crowder 31 Crane 31 Greer 31 McKenzie 31 McKinney 31 Exxon Mobil Corp. 31 Coker 31 Parr 30 Burleson 30 Boren 30 Grainger 30 BP 30 drilling rig 30 Eaton 30 Pittman 30 Metcalf 30 Hensley 30 Statoil 30 Hughes 29 Chevron Corp. 29 Baxter 29 Crockett 29 Garner 29 Jeffers 29 McDaniel 29 Fort Worth 29 Repsol 29 Dunbar 29 Tulsa 29 Leggett 28 Grimes 28 Mathis 28 Estes 28 Randall 28 EDS 28 Blackmon 28 Snead 28 Cantrell 28 Deepwater Horizon 28 Massey Energy 28 Jeffries 28 Lanier 28 Stovall 28 Bowers 28 KBR 28 Houston 28 Irving 27 Valero 27 Petroleum 27 Myers 27 Dawson 27 Whitaker 27 Denney 27 Hemphill 27 Plainview 27 Whitley 27 Wylie 27 Abilene 27 Dillard 27 Royal Dutch Shell 27 Bowen 27 Hightower 27 Shell 27 Herring 27 Talley 27 Humphreys 27 Wynn 27 BP PLC 26 Archer