| |
 |
|
Class Information
Number: 166/259
Name: Wells > Processes > In situ combustion > Including fracturing or attacking formation
Description: A process in which the earth is cracked to produce a fissure or fissures therein, or in which fluid introduced into the pores of the earth chemically reacts with the earth or deposits in the earth to enlarge the pores of the earth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4457374 |
Transient response process for detecting in situ retorting conditions |
Jul. 3, 1984 |
| 4454915 |
In situ retorting of oil shale with air, steam, and recycle gas |
Jun. 19, 1984 |
| 4449753 |
Method for bulking full a retort |
May. 22, 1984 |
| 4448249 |
Method of in situ oil shale retort ignition with oxygen control |
May. 15, 1984 |
| 4446918 |
Method for initiating combustion in a subterranean carbonaceous deposit |
May. 8, 1984 |
| 4446921 |
Method for underground gasification of solid fuels |
May. 8, 1984 |
| 4444256 |
Method for inhibiting sloughing of unfragmented formation in an in situ oil shale retort |
Apr. 24, 1984 |
| 4444433 |
Method for forming an in situ oil shale retort in differing grades of oil shale |
Apr. 24, 1984 |
| 4443037 |
Method for controlling void fraction distribution in an in situ oil shale retort |
Apr. 17, 1984 |
| 4441759 |
In situ oil shale retort system |
Apr. 10, 1984 |
| 4440447 |
Method for forming an in situ oil shale retort with explosive expansion towards a horizontal free face |
Apr. 3, 1984 |
| 4437519 |
Reduction of shale oil pour point |
Mar. 20, 1984 |
| 4436344 |
In situ retorting of oil shale with pulsed combustion |
Mar. 13, 1984 |
| 4436153 |
In-situ combustion method for controlled thermal linking of wells |
Mar. 13, 1984 |
| 4435016 |
In situ retorting with flame front-stabilizing layer of lean oil shale particles |
Mar. 6, 1984 |
| 4425967 |
Ignition procedure and process for in situ retorting of oil shale |
Jan. 17, 1984 |
| 4408663 |
Process for enlargement of rock fractures |
Oct. 11, 1983 |
| 4402550 |
Method for forming an in situ oil shale retort with controlled seismic vibration |
Sep. 6, 1983 |
| 4401163 |
Modified in situ retorting of oil shale |
Aug. 30, 1983 |
| 4400034 |
Coal comminution and recovery process using gas drying |
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 |
| 4384614 |
Method of retorting oil shale by velocity flow of super-heated air |
May. 24, 1983 |
| 4381873 |
In situ roasting and leaching of sulfide minerals |
May. 3, 1983 |
| 4369841 |
Method for igniting an in situ oil shale retort |
Jan. 25, 1983 |
| 4366864 |
Method for recovery of hydrocarbons from oil-bearing limestone or dolomite |
Jan. 4, 1983 |
| 4366986 |
Controlled retorting methods for recovering shale oil from rubblized oil shale and methods for making permeable masses of rubblized oil shale |
Jan. 4, 1983 |
| 4359246 |
In situ oil shale retort with non-uniformly distributed void fraction |
Nov. 16, 1982 |
| 4353418 |
In situ retorting of oil shale |
Oct. 12, 1982 |
| 4344484 |
Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort |
Aug. 17, 1982 |
| 4343360 |
Method for controlling underground combustion |
Aug. 10, 1982 |
| 4343361 |
Method for controlling underground combustion |
Aug. 10, 1982 |
| 4336966 |
Cratering in the deep cratering region to form an in situ oil shale retort |
Jun. 29, 1982 |
| 4333684 |
Method of uniform rubblization for limited void volume blasting |
Jun. 8, 1982 |
| 4328863 |
In situ retorting of oil shale |
May. 11, 1982 |
| 4324292 |
Process for recovering products from oil shale |
Apr. 13, 1982 |
| 4323120 |
Method for controlling underground combustion |
Apr. 6, 1982 |
| 4323121 |
Method for controlling underground combustion |
Apr. 6, 1982 |
| 4313499 |
Subterranean gasification of bituminous coal |
Feb. 2, 1982 |
| 4306621 |
Method for in situ coal gasification operations |
Dec. 22, 1981 |
| 4299285 |
Underground gasification of bituminous coal |
Nov. 10, 1981 |
| 4296809 |
In situ gasification of bituminous coal |
Oct. 27, 1981 |
| 4290649 |
Method for explosively expanding a pillar for forming an in situ oil shale retort |
Sep. 22, 1981 |
| 4285547 |
Integrated in situ shale oil and mineral recovery process |
Aug. 25, 1981 |
| 4279302 |
Determining the locus of a processing zone in an oil shale retort by effluent off gas heating value |
Jul. 21, 1981 |
| 4279444 |
Jetting out weak areas for forming an in situ oil shale retort |
Jul. 21, 1981 |
| 4271904 |
Method for controlling underground combustion |
Jun. 9, 1981 |
| 4272127 |
Subsidence control at boundaries of an in situ oil shale retort development region |
Jun. 9, 1981 |
| 4269449 |
Method for preparing an oil shale deposit for in situ retorting |
May. 26, 1981 |
| 4266826 |
In-situ recovery of constituents from fragmented ore |
May. 12, 1981 |
| 4266612 |
In situ recovery of shale oil |
May. 12, 1981 |
|
|
|
