Related by context. Frequent words. (Click for all words.) 67 blowout preventer 55 deepwater drilling 51 Deepwater Horizon 51 Macondo 51 offshore drilling 49 Deepwater Horizon rig 47 Deepwater Horizon disaster 46 deepwater 46 Transocean 46 offshore rigs 45 BP 45 Minerals Management 44 rig explosion 44 rig exploded 44 BP Deepwater Horizon 44 containment cap 42 drilling rig 42 Deepwater Horizon drilling 42 static kill 41 BP PLC 41 wellhead 41 Thad Allen 40 drilling rigs 40 rig 40 drillers 40 BOP 40 wellbore 40 dispersant 40 oil spill 40 drilling 39 exploratory wells 39 containment vessel 39 rigs 39 Mariner Energy 39 Outer Continental Shelf 39 Deepwater 38 seafloor 38 Sago 38 dispersants 38 hydraulic fracturing 38 seabed 38 gusher 38 Sago Mine 38 valves 38 offshore 37 lifeboats 37 exploratory drilling 37 BP Plc 37 Adm. Thad Allen 37 Doug Suttles 36 Diamond Offshore Drilling 36 chemical dispersants 36 Transocean Ltd. 36 Retired Coast Guard 36 MSHA 36 Ensco 36 Mine Safety 36 fracking 36 remotely operated 36 Bromwich 36 subsea 36 Suttles 36 levees 36 ROV 36 Beaufort Sea 35 blowouts 35 flange 35 Petrobras 35 blowout 35 drug coated stents 35 airworthiness 35 submersible 35 Chemical Safety 35 Fukushima Dai ichi 34 OSHA 34 Coast Guard 34 Deepwater Horizon spill 34 shallow waters 34 Tepco 34 pilings 34 flotation devices 33 oilfield 33 Subsea 33 FAA 33 safety 33 NTSB 33 Tony Hayward 33 McMoRan 33 Fukushima plant 33 coal mine 32 casing 32 sonar 32 Pemex 32 Chukchi Sea 32 Anadarko 32 Coast Guard Adm. Thad 32 spillway 32 Alyeska 32 Anadarko Petroleum 32 seat belts 32 Exxon Valdez spill