Related by context. Frequent words. (Click for all words.) 58 salt caverns 54 underground caverns 54 reservoirs 53 storage tanks 51 Gas Storage 51 Bcf 49 reservoir 48 natural gas 47 bcf 47 wells 46 tankage 46 MMcf d 46 MMcfd 46 basins 45 Mmcf per 45 cubic feet Bcf 45 cubic feet 45 Bcf d 45 MMgy 44 underground aquifers 44 caverns 44 coal seams 43 cavern 43 storages 43 refineries 43 bcfd 43 Whiting refinery 43 MMCFD 43 LNG terminals 43 mmcfd 43 shale formations 43 underground aquifer 43 mmcf 43 pipelines 42 aquifers 42 cubic meters 42 drilling rigs 42 liquefied natural gas 42 Natural Gas Storage 42 barrels 42 basin 41 tcf 41 mgd 41 trillion cubic feet 41 lignite 41 mmcf d 41 drillship 41 mmscfd 41 coal gasification plant 41 retention ponds 41 bpd 41 bbls 41 wells drilled 41 geologic formations 40 diameter pipe 40 Reservoirs 40 exploratory wells 40 MMcf 40 aquifer 40 liquid propane 40 Cherokee Basin 40 drilling rig 40 pipeline 40 sumps 40 McMoRan 40 Wivenhoe Dam 40 fracture stimulated 40 lignite coal 40 drillships 40 Cushing Oklahoma 40 boed 40 proppant 40 horizontal wells 40 shale deposits 39 Mmcf d 39 thousand cubic feet 39 megalitres 39 refining capacity 39 m³ 39 cubic yards 39 gasfield 39 LNG import 39 stormwater drains 39 sized swimming pools 39 wellbore 39 gas 39 crude oil 39 drill rigs 39 Pumping Station 39 Strategic Petroleum 39 cu m 39 Keystone Pipeline 39 water mains 39 sanitary sewers 39 cofferdam 39 Garrison Dam 39 KG D6 38 dewatering 38 lagoons 38 Proved reserves 38 liquified natural gas