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Class Information
Number: 166/261
Name: Wells > Processes > In situ combustion > Injecting specific material other than oxygen into formation
Description: A process in which a material is placed into the pores of the earth, said material being other than oxygen, per se, or air.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4436153 |
In-situ combustion method for controlled thermal linking of wells |
Mar. 13, 1984 |
| 4436344 |
In situ retorting of oil shale with pulsed combustion |
Mar. 13, 1984 |
| 4431055 |
Method for selective plugging of depleted channels or zones in in situ oil shale retorts |
Feb. 14, 1984 |
| 4429744 |
Oil recovery method |
Feb. 7, 1984 |
| 4429745 |
Oil recovery method |
Feb. 7, 1984 |
| 4427066 |
Oil recovery method |
Jan. 24, 1984 |
| 4418751 |
In-situ combustion process |
Dec. 6, 1983 |
| 4415031 |
Use of recycled combustion gas during termination of an in-situ combustion oil recovery method |
Nov. 15, 1983 |
| 4410042 |
In-situ combustion method for recovery of heavy oil utilizing oxygen and carbon dioxide as initial oxidant |
Oct. 18, 1983 |
| 4399867 |
Method for injecting a gaseous stream into a hot subterranean zone |
Aug. 23, 1983 |
| 4399866 |
Method for controlling the flow of subterranean water into a selected zone in a permeable subterranean carbonaceous deposit |
Aug. 23, 1983 |
| 4396064 |
Method and apparatus for injecting a gaseous stream into a subterranean zone |
Aug. 2, 1983 |
| 4393934 |
Conditioning a coal seam prior to in-situ gasification |
Jul. 19, 1983 |
| 4386657 |
Process for the underground gasification of coal and carbonaceous materials |
Jun. 7, 1983 |
| 4384614 |
Method of retorting oil shale by velocity flow of super-heated air |
May. 24, 1983 |
| 4378841 |
Ignition technique for an in situ oil shale retort |
Apr. 5, 1983 |
| 4366864 |
Method for recovery of hydrocarbons from oil-bearing limestone or dolomite |
Jan. 4, 1983 |
| 4356866 |
Process of underground coal gasification |
Nov. 2, 1982 |
| 4353418 |
In situ retorting of oil shale |
Oct. 12, 1982 |
| 4344488 |
Charged aerosol petroleum recovery method and apparatus |
Aug. 17, 1982 |
| 4344483 |
Multiple-site underground magnetic heating of hydrocarbons |
Aug. 17, 1982 |
| 4328863 |
In situ retorting of oil shale |
May. 11, 1982 |
| 4324292 |
Process for recovering products from oil shale |
Apr. 13, 1982 |
| 4315656 |
Method for reducing porosity of rubblized oil shale |
Feb. 16, 1982 |
| 4306621 |
Method for in situ coal gasification operations |
Dec. 22, 1981 |
| RE30767 |
Method using lignosulfonates for high-temperature plugging |
Oct. 13, 1981 |
| 4274487 |
Indirect thermal stimulation of production wells |
Jun. 23, 1981 |
| 4271904 |
Method for controlling underground combustion |
Jun. 9, 1981 |
| 4263970 |
Method for assuring uniform combustion in an in situ oil shale retort |
Apr. 28, 1981 |
| 4252191 |
Method of recovering petroleum and bitumen from subterranean reservoirs |
Feb. 24, 1981 |
| 4250230 |
Generating electricity from coal in situ |
Feb. 10, 1981 |
| 4246965 |
Method for operating an in situ oil shale retort having channelling |
Jan. 27, 1981 |
| 4243101 |
Coal gasification method |
Jan. 6, 1981 |
| 4241790 |
Recovery of crude oil utilizing hydrogen |
Dec. 30, 1980 |
| 4234042 |
Direct combustion stimulation of a producing well |
Nov. 18, 1980 |
| 4233166 |
Composition for recovering hydrocarbons |
Nov. 11, 1980 |
| 4223731 |
Method for enhanced recovery of petroleum |
Sep. 23, 1980 |
| 4197911 |
Process for in situ coal gasification |
Apr. 15, 1980 |
| 4194562 |
Method for preconditioning a subterranean oil-bearing formation prior to in-situ combustion |
Mar. 25, 1980 |
| 4192552 |
Method for establishing a combustion zone in an in situ oil shale retort having a pocket at the top |
Mar. 11, 1980 |
| 4192381 |
In situ retorting with high temperature oxygen supplying gas |
Mar. 11, 1980 |
| 4191251 |
Process for recovering carbonaceous values from in situ oil shale retorting |
Mar. 4, 1980 |
| 4185692 |
Underground linkage of wells for production of coal in situ |
Jan. 29, 1980 |
| 4177752 |
High vertical conformance steam drive oil recovery method |
Dec. 11, 1979 |
| 4166502 |
High vertical conformance steam drive oil recovery method |
Sep. 4, 1979 |
| 4166501 |
High vertical conformance steam drive oil recovery method |
Sep. 4, 1979 |
| 4161981 |
Method for recovering hydrocarbons |
Jul. 24, 1979 |
| 4158467 |
Process for recovering shale oil |
Jun. 19, 1979 |
| RE30019 |
Production of hydrocarbons from underground formations |
Jun. 5, 1979 |
| 4148359 |
Pressure-balanced oil recovery process for water productive oil shale |
Apr. 10, 1979 |
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