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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 |
| 7543638 |
Low temperature oxidation for enhanced oil recovery |
Jun. 9, 2009 |
| 7520325 |
Enhanced hydrocarbon recovery by in situ combustion of oil sand formations |
Apr. 21, 2009 |
| 7431083 |
Sub-surface coalbed methane well enhancement through rapid oxidation |
Oct. 7, 2008 |
| 7431090 |
Methods and apparatus for multiple fracturing of subterranean formations |
Oct. 7, 2008 |
| 7051809 |
Burn assisted fracturing of underground coal bed |
May. 30, 2006 |
| 7048051 |
Recovery of products from oil shale |
May. 23, 2006 |
| 7025139 |
Method and operation of a well jet device inkwell testing and development and the well jet device for carrying out said method |
Apr. 11, 2006 |
| 6880635 |
In situ production of synthesis gas from a coal formation, the synthesis gas having a selected H2 to CO ratio |
Apr. 19, 2005 |
| 6742587 |
In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
Jun. 1, 2004 |
| 6732796 |
In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis gas having a selected H2 to CO ratio |
May. 11, 2004 |
| 6715547 |
In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation |
Apr. 6, 2004 |
| 6460619 |
Method and apparatus for creation and isolation of multiple fracture zones in an earth formation |
Oct. 8, 2002 |
| 6328104 |
Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
Dec. 11, 2001 |
| 6030048 |
In-situ chemical reactor for recovery of metals or purification of salts |
Feb. 29, 2000 |
| 6016867 |
Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
Jan. 25, 2000 |
| 5645322 |
In-situ chemical reactor for recovery of metals and salts |
Jul. 8, 1997 |
| 5452763 |
Method and apparatus for generating gas in a drilled borehole |
Sep. 26, 1995 |
| 5402846 |
Unique method of hydraulic fracturing |
Apr. 4, 1995 |
| 5360068 |
Formation fracturing |
Nov. 1, 1994 |
| 5024487 |
Method of creating an underground batch retort complex |
Jun. 18, 1991 |
| 4966416 |
Fragmentation of an underground ore body |
Oct. 30, 1990 |
| 4895206 |
Pulsed in situ exothermic shock wave and retorting process for hydrocarbon recovery and detoxification of selected wastes |
Jan. 23, 1990 |
| 4787449 |
Oil recovery process in subterranean formations |
Nov. 29, 1988 |
| 4718489 |
Pressure-up/blowdown combustion - a channelled reservoir recovery process |
Jan. 12, 1988 |
| 4676313 |
Controlled reservoir production |
Jun. 30, 1987 |
| 4662439 |
Method of underground conversion of coal |
May. 5, 1987 |
| 4648456 |
Method for acidizing siliceous formations |
Mar. 10, 1987 |
| 4648450 |
Method of producing synthesis gas by underground gasification of coal using specific well configuration |
Mar. 10, 1987 |
| 4637464 |
In situ retorting of oil shale with pulsed water purge |
Jan. 20, 1987 |
| 4610303 |
Method of underground gasification of a series of gently dipping and inclined coal seams |
Sep. 9, 1986 |
| 4595056 |
Method for fully retorting an in situ oil shale retort |
Jun. 17, 1986 |
| 4585063 |
Oil shale retorting and retort water purification process |
Apr. 29, 1986 |
| 4573531 |
Method of underground gasification of coal seam |
Mar. 4, 1986 |
| 4560205 |
Method for control of geometry of fragmented mass in an situ oil shale retort |
Dec. 24, 1985 |
| 4552409 |
In situ oil shale retort with controlled permeability for uniform flow |
Nov. 12, 1985 |
| 4552214 |
Pulsed in situ retorting in an array of oil shale retorts |
Nov. 12, 1985 |
| 4545622 |
Method of rubblization for in-situ oil shale processing |
Oct. 8, 1985 |
| 4537252 |
Method of underground conversion of coal |
Aug. 27, 1985 |
| 4532991 |
Pulsed retorting with continuous shale oil upgrading |
Aug. 6, 1985 |
| 4533181 |
Method for forming uniform flow rubble bed |
Aug. 6, 1985 |
| 4531783 |
Stability control in underground workings adjacent an in situ oil shale retort |
Jul. 30, 1985 |
| 4522260 |
Method for creating a zone of increased permeability in hydrocarbon-containing subterranean formation penetrated by a plurality of wellbores |
Jun. 11, 1985 |
| 4491179 |
Method for oil recovery by in situ exfoliation drive |
Jan. 1, 1985 |
| 4487260 |
In situ production of hydrocarbons including shale oil |
Dec. 11, 1984 |
| 4484629 |
Movable oxidizer injection point for production of coal in situ |
Nov. 27, 1984 |
| 4483398 |
In-situ retorting of oil shale |
Nov. 20, 1984 |
| RE31677 |
Process for recovery of carbonaceous materials from subterranean deposits |
Sep. 18, 1984 |
| 4470460 |
In situ retorting or oil shale |
Sep. 11, 1984 |
| 4466668 |
Method of forming an in situ oil shale retort in formation with joints |
Aug. 21, 1984 |
| 4458946 |
Secondary oil shale recovery technique |
Jul. 10, 1984 |
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