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Class Information
Number: 166/272.1
Name: Wells > Processes > Distinct, separate injection and producing wells > Involving the step of heating
Description: A process in distinct, separate wells incorporating the step of raising the temperature of the fluid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6712136 |
In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing |
Mar. 30, 2004 |
| 6712137 |
In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material |
Mar. 30, 2004 |
| 6708758 |
In situ thermal processing of a coal formation leaving one or more selected unprocessed areas |
Mar. 23, 2004 |
| 6702016 |
In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer |
Mar. 9, 2004 |
| 6698515 |
In situ thermal processing of a coal formation using a relatively slow heating rate |
Mar. 2, 2004 |
| 6688387 |
In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate |
Feb. 10, 2004 |
| 6681859 |
Downhole oil and gas well heating system and method |
Jan. 27, 2004 |
| 6607033 |
In Situ thermal processing of a coal formation to produce a condensate |
Aug. 19, 2003 |
| 6607036 |
Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone |
Aug. 19, 2003 |
| 6591907 |
In situ thermal processing of a coal formation with a selected vitrinite reflectance |
Jul. 15, 2003 |
| 6591906 |
In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content |
Jul. 15, 2003 |
| 6588500 |
Enhanced oil well production system |
Jul. 8, 2003 |
| 6588503 |
In Situ thermal processing of a coal formation to control product composition |
Jul. 8, 2003 |
| 6588504 |
In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids |
Jul. 8, 2003 |
| 6581684 |
In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids |
Jun. 24, 2003 |
| 6561274 |
Method and apparatus for unloading well tubing |
May. 13, 2003 |
| 6413016 |
Methods of extracting liquid hydrocardon contaminants from underground zones |
Jul. 2, 2002 |
| 6305472 |
Chemically assisted thermal flood process |
Oct. 23, 2001 |
| 6189611 |
Radio frequency steam flood and gas drive for enhanced subterranean recovery |
Feb. 20, 2001 |
| 6148911 |
Method of treating subterranean gas hydrate formations |
Nov. 21, 2000 |
| 6102122 |
Control of heat injection based on temperature and in-situ stress measurement |
Aug. 15, 2000 |
| 6056057 |
Heater well method and apparatus |
May. 2, 2000 |
| 6000471 |
Hole in the ground for transfer of geothermal energy to an energy-carrying liquid and a method for production of the hole |
Dec. 14, 1999 |
| 5813799 |
Combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil |
Sep. 29, 1998 |
| RE35891 |
Process for increasing near-wellbore permeability of porous formations |
Sep. 8, 1998 |
| 5788412 |
Method for in situ contaminant extraction from soil |
Aug. 4, 1998 |
| 5769165 |
Method for increasing methane recovery from a subterranean coal formation by injection of tail gas from a hydrocarbon synthesis process |
Jun. 23, 1998 |
| 5765964 |
Submerged combustion process and apparatus for removing volatile contaminants from groundwater or subsurface soil |
Jun. 16, 1998 |
| 5503226 |
Process for recovering hydrocarbons by thermally assisted gravity segregation |
Apr. 2, 1996 |
| 5433271 |
Heat injection process |
Jul. 18, 1995 |
| 5411089 |
Heat injection process |
May. 2, 1995 |
| 5392854 |
Oil recovery process |
Feb. 28, 1995 |
| 5361845 |
Process for increasing near-wellbore permeability of porous formations |
Nov. 8, 1994 |
| 5341877 |
Method and apparatus for in situ removal of a spilled fluid from the earth's subsurface |
Aug. 30, 1994 |
| 5297626 |
Oil recovery process |
Mar. 29, 1994 |
| 5236039 |
Balanced-line RF electrode system for use in RF ground heating to recover oil from oil shale |
Aug. 17, 1993 |
| 5217076 |
Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess) |
Jun. 8, 1993 |
| 5186256 |
Three directional drilling process for environmental remediation of contaminated subsurface formations |
Feb. 16, 1993 |
| 5099921 |
Recovery of methane from solid carbonaceous subterranean formations |
Mar. 31, 1992 |
| 5060287 |
Heater utilizing copper-nickel alloy core |
Oct. 22, 1991 |
| 5052482 |
Catalytic downhole reactor and steam generator |
Oct. 1, 1991 |
| 5014785 |
Methane production from carbonaceous subterranean formations |
May. 14, 1991 |
| 4982788 |
Apparatus and method for removing volatile contaminants from the ground |
Jan. 8, 1991 |
| 4886118 |
Conductively heating a subterranean oil shale to create permeability and subsequently produce oil |
Dec. 12, 1989 |
| 4883122 |
Method of coalbed methane production |
Nov. 28, 1989 |
| 4809780 |
Method for sealing thief zones with heat-sensitive fluids |
Mar. 7, 1989 |
| 4785028 |
Gels for profile control in enhanced oil recovery under harsh conditions |
Nov. 15, 1988 |
| 4782901 |
Minimizing gravity override of carbon dioxide with a gel |
Nov. 8, 1988 |
| 4702317 |
Steam foam floods with a caustic agent |
Oct. 27, 1987 |
| 4665989 |
Well production start up method |
May. 19, 1987 |
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