Related by context. Frequent words. (Click for all words.) 61 blowout preventers 47 blowout preventer 46 capping stack 44 ROVs 44 BOP 43 rigs 43 preventer 42 deepwater wells 42 drilling rigs 41 semisubmersibles 40 BP Macondo 40 valves 40 wellheads 40 wellbore 39 drilling rig 39 offshore rigs 39 flanges 39 Casing 39 Rig 38 subsea 38 winches 38 deepwater 38 Macondo 38 wellhead 38 rig 37 deepwater rigs 37 dynamically positioned 37 wells 37 ROV 37 ultra deepwater 37 semi submersible rig 36 BP 36 Thad Allen 36 centralizers 36 Subsea 36 fracing 36 containment cap 36 containment dome 36 Offshore 36 flange 36 jackups 35 semi submersible 35 drillships 35 BOEMRE 35 submersible 35 downhole 35 deepwater drilling 34 Offshore Drilling 34 riser pipe 34 drillers 34 Transocean 34 Discoverer Enterprise 34 Deepwater 34 casing 34 Rigs 34 Deepwater Horizon rig 34 cofferdam 33 derrick 33 FPSO 33 Deepwater Horizon 33 Oil Rig 33 directional drilling 33 topsides 33 barges 33 PHMSA 33 submersibles 33 Piper Alpha 33 deepwater rig 32 floating docks 32 offshore drilling rigs 32 jackup rigs 32 pilings 32 offshore drilling rig 32 pipe 32 EOG Resources 32 jackup 32 National Incident Commander 32 winch 32 sumps 32 Hydril 32 Minerals Management 32 drillship 31 offshore 31 riggers 31 exploratory wells 31 vessels 31 drilling fluids 31 Thunder Horse 31 tower cranes 31 derricks 31 pontoons 31 annulus 31 coiled tubing 31 Admiral Thad Allen 31 Deepwater Horizon exploded 31 levees 30 seafloor 30 Ensco 30 liftboats 30 onshore 30 seabed