Method for plugging and subsequent treatment of subterranean for

Method for plugging gas migration channels in the cement annulus

Method for plugging high permeability zones in subterranean rese

Method for preparation of viscous aqueous liquids for wellbore i

Method for preventing steam channelling into a non-aquifer botto

Method for producing a geothermal reservoir in a hot dry rock fo

Method for producing methane-containing gaseous mixtures

Method for producing viscous hydrocarbons

Method for producing viscous hydrocarbons from discrete segments

Method for profile control of enhanced oil recovery

Method for recovering coal in situ

Method for recovering oil from an underground formation

Method for recovering subsurface earth substances

Method for recovering viscous asphaltic or bituminous petroleum

Method for recovering viscous petroleum

Method for recovering viscous petroleum

Method for recovery of acidic crude oils

Method for recovery of hydrocarbons

Method for recovery of mineral resources

Method for recovery of natural gas from a group of...