Recovering liquid hydrocarbons

Recovering materials

Recovering oil by injecting aqueous alkali, cosurfactant and...

Recovering oil by injecting hot co.sub.2 into a reservoir...

Recovering oil bypassed by a steam override zone

Recovering petroleum from subterranean formations

Recovering viscous petroleum from thick tar sand

Recovery and upgrading of hydrocarbons utilizing in situ...

Recovery apparatus for drilling and excavating applications...

Recovery for the restoration of mining residue parks

Recovery method for high viscosity petroleum

Recovery of bitumen by hydraulic excavation

Recovery of bitumen by steam injection

Recovery of bitumen from tar sand material

Recovery of bitumen from tar sands

Recovery of bitumen or heavy oil in situ by injection of hot...

Recovery of bitumens by imbibition flooding

Recovery of drilling fluids

Recovery of fluid products from sub-surface mineral deposits

Recovery of gas from drilling fluid returns in underbalanced...