Related by context. Frequent words. (Click for all words.) 81 rigs 73 drilling rig 63 drill rigs 62 rig 62 offshore rigs 60 wells 59 drilling 58 oilfield 58 deepwater 58 drillship 57 drill rig 56 Rigs 56 directional drilling 55 wells drilled 55 drillers 54 Rig 54 horizontal wells 54 FPSO 53 Drilling 53 workover 52 driller 51 downhole 51 deepwater drilling 51 oilfields 50 Ensco 50 onshore 50 deepwater Gulf 50 oil sands 50 horizontal drilling 50 exploratory wells 49 wellbore 49 offshore drilling 49 MMcfe 49 deepwater exploration 49 oil 48 StatoilHydro 48 ENSCO 48 fracture stimulation 48 Oilfield 47 boepd 47 MMcfe d 47 offshore 46 boe d 46 natural gas 46 offshore drilling contractor 46 McMoRan 46 Piceance Basin 46 subsea 46 Seadrill 46 bbls 46 bopd 46 Diamond Offshore Drilling 46 mmcf 45 vessels 45 exploratory drilling 45 BOE d 45 Magnum Hunter 45 frac 45 MMcfd 45 mmcf d 44 ROV 44 MMcf 44 Anadarko 44 Diamond Offshore 44 Offshore 44 Bcf 44 exploration 44 seismic surveys 44 dredges 43 Transocean 43 Barnett Shale 43 MMcf d 43 shale 43 Encana 43 National Oilwell Varco 43 derrick 43 EnCana 43 appraisal wells 43 coalbed methane 43 BOPD 43 wellhead 43 refineries 43 Petrohawk 43 shale gas 43 spudded 43 Statoil 43 EOG Resources 43 bbls d 43 Mcfe 43 Deepwater Horizon 43 Pemex 42 Venoco 42 Subsea 42 Kerr McGee 42 hydrocarbon 42 skimmers 42 Petrobras 42 Williston Basin 42 Schlumberger 42 spud 42 boe