Related by context. Frequent words. (Click for all words.) 56 outer continental shelf 56 Outer Continental Shelf 52 ANWR 49 Beaufort Sea 49 Roan Plateau 49 Chukchi Sea 49 wildlife refuge 46 shale deposits 46 exploratory drilling 45 trillion cubic feet 45 hydrocarbon reserves 45 coalbed methane 44 Pinedale Anticline 44 Chukchi seas 44 Chukchi 44 Tcf 44 Kovykta 44 Strategic Petroleum 43 Arctic Ocean 43 Powder River Basin 43 wildlife refuges 42 gas hydrates 42 North Slope 42 subsalt 42 shale gas 42 shale 42 acreage 42 tcf 42 wilderness designation 41 roadless areas 41 undeveloped land 41 NPRA 41 oilfields 41 Deep Basin 40 continental shelf 40 seismic surveys 40 drilling 40 undrilled 40 National Wildlife Refuge 40 Barents Sea 40 Marcellus shale 40 deepwater exploration 39 roadless 39 Marcellus Shale formation 39 Piceance Basin 39 KG D6 39 Krishna Godavari basin 39 bed methane 39 developable 39 offshore drilling 39 geological formations 39 Northwestern Hawaiian Islands 38 undeveloped 38 Haynesville Shale 38 shale formations 38 deepwater 38 wetlands 38 Wildlife Refuge 38 Bakken formation 38 reserves 38 KG basin 37 Arctic 37 Haynesville shale 37 Rocky Mountain Front 37 oil sands 37 Minerals Management 37 Montney 37 roadless rule 37 Santos Basin 36 Marcellus Shale 36 acreages 36 exploratory wells 36 boreal forest 36 SPR 36 Prudhoe Bay 36 Tcfe 36 Offshore Oil 36 recoverable reserves 36 acres 36 habitat designation 36 sq. miles 36 conservation easements 36 leases 36 leaseholds 35 undeveloped lands 35 km ² 35 coastal waters 35 Ogallala Aquifer 35 horizontal drilling 35 trillion cubic meters 35 Williston Basin 35 coastal wetlands 35 Offshore Drilling 35 BOEMRE 35 Environmental Impact Statement 35 prospectivity 35 ultra deepwater 35 Tupi 35 Tongass National 35 sq km 34 recompletion