Matches 51 - 100 out of 141 < 1 2 3 >
Match Document Document Title
3941423 Method of and apparatus for extracting oil from oil shale  
Method of and apparatus for extracting oil from oil shale. An excavating unit is driven by supplying steam to a plurality of steam engines mounted in an annulus between stationary outer and inner...
3941191 Method of consolidating unconsolidated or insufficiently consolidated formations  
A method for consolidating an oil-bearing formation by the use of a consolidating material together with a combustion promoter whereby oxidation occurs upon the injection of an oxygen-containing...
3874452 Recovery of viscous petroleum from asphaltic petroleum containing formations such as tar sand deposits  
Viscous, asphaltic petroleum may be effectively recovered from subterranean viscous, asphaltic petroleum containing formations such as tar sand deposits by first injecting into the tar sand...
3823775 METHOD FOR UPGRADING COAL GASIFICATION PRODUCTS  
A method for upgrading gasification products produced by the gasification of subterranean carbonaceous deposits and recovered through a well bore by contacting said products with an effective...
3777816 METHOD FOR THE IGNITION OF IN-SITU COMBUSTION FOR THE RECOVERY OF PETROLEUM  
A method of initiating in situ combustion in a subterranean hydrocarbon-bearing formation wherein a substance capable of reacting with hydrogen peroxide is introduced into the formation via a well...
3774682 METHOD FOR INITIATING IN-SITU COMBUSTION  
A method of initiating in-situ combustion in a subterranean hydrocarbon-bearing formation by igniting a hydrocarbon fuel-air mixture in an input well by contacting the air with a pyrophoric...
3712375 METHOD FOR CATALYTICALLY HEATING WELLBORES  
A catalytic heater is used in supplying heat to wellbores and has a catalytic surface open to the wellbore for contacting and causing the reaction of a fuel mixture. The preferable catalytic...
3672450 METHOD FOR IN SITU COMBUSTION IGNITION  
A slug of material comprising an emulsion of water and carbon black with or without additives is injected into the vicinity about a proposed oxidant injection well in a fireflood pattern. A...
3638727 METHOD OF TREATING A SUBTERRANEAN HYDROCARBON-BEARING FORMATION  
Improved treatment of a subterranean hydrocarbon-bearing formation is effected by fracturing the formation using a fracturing mixture composed of a hydrocarbon liquid containing, in addition to a...
3583484 PROCESS FOR IGNITING HYDROCARBON MATERIALS WITHIN A SUBTERRANEAN FORMATION  
A method for igniting hydrocarbons contained in a subterranean formation for in situ combustion operations by passing into the formation a conjunct polymer derived from hydrocarbon processing and...
3522845 METHOD OF CONSOLIDATING AND PRODUCING A HYDROCARBON-BEARING FORMATION  
3520364 METHOD AND APPARATUS FOR INITIATING IN SITU COMBUSTION  
3499489 PRODUCING OIL FROM NUCLEAR-PRODUCED CHIMNEYS IN OIL SHALE  
3490531 THERMAL OIL STIMULATION PROCESS  
3490530 INITIATING IN SITU COMBUSTION USING AN AUTOIGNITIBLE COMPOSITION  
3482630 IN SITU STEAM GENERATION AND COMBUSTION RECOVERY  
3470955 LOW-DEGREE API GRAVITY CRUDE OIL RECOVERY PROCESS BY IN SITU COMBUSTION  
3457995 IGNITING AN UNDERGROUND FORMATION  
3400763 Igniting a carbonaceous stratum for in situ combustion  
3398793 Process for rapid reignition of in situ combustion  
3388743 Method of consolidating an unconsolidated oil sand  
3387654 Method for determining oxygen requirements for in-situ combustion  
3379254 Method for initiating in situ combustion within a subterranean formation  
3376929 Modified in situ combustion well stimulation  
3375871 Establishing an inverse burning front without spontaneous ignition  
3363687 Reservoir heating with autoignitable oil to produce crude oil  
3363686 Reduction of coke formation during in situ combustion  
3360044 Process and apparatus for the recovery of liquid bitumen from underground deposits  
3360041 Igniting an oil stratum for in situ combustion  
3324945 Reverse in situ combustion and ignition of carbonaceous strata  
3314476 Initiation of in situ combustion  
3314477 Well treatment employing a hypergolic system  
3285336 Method of thermal stimulation of oil fields  
3279540 Process for the exploitation of bitumenscontaining strata by underground preparation and gasification  
3266572 Stimulation of production of underground fluids by use of techniques involving high energy combustion principles  
3263750 In situ combustion method for high viscosity petroleum deposits  
3254711 Natural gasoline conservation during in situ combustion  
3233671 Recovery of heavy crude oils by in situ combustion  
3221812 Use of antioxidants in underground combustion control  
3221811 Mobile in-situ heating of formations  
3219108 Use of propynol in chemical ignition  
3217800 Consolidation of incompetent subsurface formations  
3194311 Control of combustion in in situ treatments of carbonaceous deposits  
3182722 Process for completing wells in unconsolidated formations by reverse in situ combustion  
3180412 Initiation of in situ combustion in a secondary recovery operation for petroleum production  
3179169 Method for initiating in situ combustion with pyrophoric materials  
3179167 Intermittent direct in situ burning method  
3172468 Consolidation of hydrocarbon gas-bearing sands by inverse in situ combustion  
3159217 Plastically deformable solids in treating subterranean formations  
3147805 Method for consolidating an unconsolidated formation  
Matches 51 - 100 out of 141 < 1 2 3 >