Method for creating a permeable fragmented zone within a subterr

Method for flattening the combustion zone in an in situ oil shal

Method for gasification of deep, thin coal seams

Method for gasifying subterranean coal deposits

Method for igniting oil shale retort

Method for in situ combustion

Method for in situ conversion of hydrocarbonaceous oil

Method for in situ gasification of a subterranean coal bed

Method for in-situ recovery of energy raw materials by the intro

Method for increasing the calorific value of gas produced by the

Method for inhibiting sloughing of unfragmented formation in an

Method for initiating an in-situ recovery process by the introdu

Method for initiating an oxygen driven in-situ combustion proces

Method for injecting a gaseous stream into a hot subterranean zo

Method for minimizing subsidence effects during production of co

Method for natural gas production

Method for oil recovery by in situ exfoliation drive

Method for production of hydrocarbons from organic-rich rock

Method for providing fluid communication for in situ shale retor

Method for recovering energy in-situ from underground...