In situ recovery of shale oil

In situ recovery of shale oil

In situ recovery of shale oil

In situ retorting of oil shale

In situ retorting of oil shale with pulsed combustion

In situ retorting with flame front-stabilizing layer of lean oil

In situ values extraction

In-situ methods of extracting bitumen values from oil-sand depos

In-situ recovery of constituents from fragmented ore

In-situ retorting of carbonaceous deposits

In-situ retorting of oil shale with in-situ formed arches

In-situ retorting system

Integrated in situ shale oil and mineral recovery process

Isolation of in situ oil shale retorts

Jetting out weak areas for forming an in situ oil shale retort

Liquid seal for production level bulkhead for in situ oil shale

Means for providing gas seal in production level drift for in si

Method and apparatus for recovery of fluids produced in in-situ

Method and apparatus for retorting oil shale at subatmospheric p

Method for attenuating seismic shock from detonating explosive i