Method of oxidizing hydrogen sulfide
Method of producing a stratified viscous oil reservoir
Method of producing synthesis gas by underground gasification of
Method of recovering coal values by combining underground coal g
Method of recovering energy from subsurface petroleum reservoirs
Method of recovering medium or high gravity crude oil
Method of recovering petroleum and bitumen from subterranean res
Method of retorting oil shale by velocity flow of super-heated a
Method of subterranean steam generation by in situ combustion of
Method of thermal stimulation for recovery of hydrocarbons
Method of thermochemical treatment of a producing formation...
Method of underground gasification of coal seam
Method using lignosulfonates for high-temperature plugging
Method using lignosulfonates for high-temperature plugging
Methods for minimizing plastic flow of oil shale during in situ
Methods of fluidized production of coal in situ
Methods of fluidized production of coal in situ
Methods of fluidized production of coal in situ
Modified in situ retorting of oil shale
Modified in situ retorting of oil shale