| Patent Number |
Title Of Patent |
Date Issued |
| 7096941 |
In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer |
Aug. 29, 2006 |
| 7036583 |
In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
May. 2, 2006 |
| 7017661 |
Production of synthesis gas from a coal formation |
Mar. 28, 2006 |
| 6994160 |
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range |
Feb. 7, 2006 |
| 6991031 |
In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products |
Jan. 31, 2006 |
| 6973967 |
Situ thermal processing of a coal formation using pressure and/or temperature control |
Dec. 13, 2005 |
| 6966372 |
In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids |
Nov. 22, 2005 |
| 6951247 |
In situ thermal processing of an oil shale formation using horizontal heat sources |
Oct. 4, 2005 |
| 6877554 |
In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control |
Apr. 12, 2005 |
| 6866097 |
In situ thermal processing of a coal formation to increase a permeability/porosity of the formation |
Mar. 15, 2005 |
| 6805195 |
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas |
Oct. 19, 2004 |
| 6761216 |
In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas |
Jul. 13, 2004 |
| 6745832 |
Situ thermal processing of a hydrocarbon containing formation to control product composition |
Jun. 8, 2004 |
| 6739394 |
Production of synthesis gas from a hydrocarbon containing formation |
May. 25, 2004 |
| 6732795 |
In situ thermal processing of a hydrocarbon containing formation to pyrolyze a selected percentage of hydrocarbon material |
May. 11, 2004 |
| 6732794 |
In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
May. 11, 2004 |
| 6729396 |
In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |
May. 4, 2004 |
| 6725920 |
In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products |
Apr. 27, 2004 |
| 6722429 |
In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas |
Apr. 20, 2004 |
| 6722431 |
In situ thermal processing of hydrocarbons within a relatively permeable formation |
Apr. 20, 2004 |
| 6715548 |
In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids |
Apr. 6, 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 |
| 6688387 |
In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate |
Feb. 10, 2004 |
| 6607033 |
In Situ thermal processing of a coal formation to produce a condensate |
Aug. 19, 2003 |
| 6588504 |
In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids |
Jul. 8, 2003 |
| 6588503 |
In Situ thermal processing of a coal formation to control product composition |
Jul. 8, 2003 |
| 6581684 |
In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids |
Jun. 24, 2003 |
| 5443118 |
Oxidant enhanced water injection into a subterranean formation to augment hydrocarbon recovery |
Aug. 22, 1995 |
| 5211230 |
Method for enhanced oil recovery through a horizontal production well in a subsurface formation by in-situ combustion |
May. 18, 1993 |
| 5027896 |
Method for in-situ recovery of energy raw material by the introduction of a water/oxygen slurry |
Jul. 2, 1991 |
| 4928765 |
Method and apparatus for shale gas recovery |
May. 29, 1990 |
| 4705109 |
Controlled retracting gasifying agent injection point process for UCG sites |
Nov. 10, 1987 |
| 4683947 |
Process and apparatus for monitoring and controlling the flammability of gas from an in-situ combustion oil recovery project |
Aug. 4, 1987 |
| 4651826 |
Oil recovery method |
Mar. 24, 1987 |
| 4641099 |
Methods for enhancing mapping of thermal fronts in oil recovery |
Feb. 3, 1987 |
| 4638864 |
Recovery of heavy crude oil from shallow formations by in situ combustion |
Jan. 27, 1987 |
| 4610303 |
Method of underground gasification of a series of gently dipping and inclined coal seams |
Sep. 9, 1986 |
| 4598772 |
Method for operating a production well in an oxygen driven in-situ combustion oil recovery process |
Jul. 8, 1986 |
| 4560205 |
Method for control of geometry of fragmented mass in an situ oil shale retort |
Dec. 24, 1985 |
| 4461349 |
Long-line-drive pattern for in situ gasification of subterranean carbonaceous deposits |
Jul. 24, 1984 |
| 4460218 |
Characterization of in situ oil shale retorts prior to ignition |
Jul. 17, 1984 |
| 4450910 |
Thermal recovery of viscous oil from a dipping reservoir |
May. 29, 1984 |
| 4315656 |
Method for reducing porosity of rubblized oil shale |
Feb. 16, 1982 |
| 4274487 |
Indirect thermal stimulation of production wells |
Jun. 23, 1981 |
| 4266608 |
Method for detecting underground conditions |
May. 12, 1981 |
| 4252374 |
Determining the locus of a processing zone in an oil shale retort by shale oil composition |
Feb. 24, 1981 |
| 4148529 |
Doping a retort to determine the locus of a processing zone |
Apr. 10, 1979 |
| 4147388 |
Method for in situ recovery of liquid and gaseous products from oil shale deposits |
Apr. 3, 1979 |
