Related by context. Frequent words. (Click for all words.) 49 drilling rig 48 rig 44 Transocean 42 deepwater rig 40 rigs 40 derrick 40 Ensco International 39 Rig 39 drilling rigs 39 Deepwater Horizon 38 dynamically positioned 38 drill rig 37 drillship 37 Oil Rig 36 Diamond Offshore 36 Hercules Offshore 35 Oceaneering International 35 oilfield 35 deepwater rigs 35 ENSCO International 35 Newfield Exploration 35 wellbore 35 Brent Coon 35 driller 35 Roc Oil 34 Transocean Ltd. 34 Patterson UTI 34 rigger 34 Mariner Energy 34 offshore drilling 34 BOEMRE 34 Piper Alpha 34 Transocean Ltd 34 semi submersible drilling 34 Deepwater Horizon rig 34 Rigs 33 offshore 33 deepwater 33 offshore drilling rig 33 Transocean RIG 33 Helix Energy 33 semi submersible 33 BP 33 Transocean NYSE RIG 33 riggers 33 Macondo 33 offshore rigs 33 rig exploded 33 StatoilHydro 33 Bronco Drilling 33 rig Deepwater Horizon 33 Willbros Group 32 drilling 32 Cal Dive International 32 Anadarko 32 Statoil 32 Guy Cantwell 32 Diamond Offshore Drilling 32 ERHC 32 drill rigs 32 Oceaneering 32 Maersk Oil 32 Det Norske Veritas 32 Hercules Offshore Inc. 32 Nabors Industries Ltd. 32 BP Plc 32 offshore drilling rigs 32 jackup rigs 32 jackup 32 Norway Statoil 32 McMoRan 32 Statfjord 32 FPSO 32 cofferdam 32 directional drilling 31 derricks 31 Patterson UTI Energy 31 BPZ 31 Seadrill 31 sunken vessel 31 Cal Dive 31 drillships 31 wellhead 31 Development Driller III 31 barge 31 Lufkin Industries 31 ROV 31 ultra deepwater 31 dozer 31 SBM Offshore 31 Thunder Horse 31 Oilfield 31 fracing 31 BP PLC BP 30 oilfields 30 ENSCO 30 Greka 30 onshore 30 drill 30 downhole 30 Allis Chalmers Energy