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Class 166/257 - Injecting while producing by in situ combustion from same well


Subclass of Class 166 - Wells
Definition: A process in which material found in the earth is produced
No. of patents: 68
Last issue date: 08/23/2011


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NumberTitleIssue Date
8002033Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground
This method deals in recovering energy in-situ from an underground resource and upgrading such resource above ground. It consists of injecting a hot gas to pyrolyze it to produce gases and liquids with high hydrogen content and a residual hot char. The gases and liq...
08/23/2011
7841404Modified process for hydrocarbon recovery using in situ combustion
A modified method for in situ recovery of hydrocarbon from an underground hydrocarbon-containing formation. An ā€œLā€ shaped production well, having a vertical section, and a lower horizontal leg positioned low in the formation, is provided. The horizontal leg conn...
11/30/2010
7814975Heavy oil recovery with fluid water and carbon dioxide
Diluted wet combustion forms a hot process fluid or VASTgas including carbon dioxide (CO2) and fluid water which is delivered to geologic formations and/or to surface mined materials to reduce the viscosity and/or increase hydrocarbon extraction. High wat...
10/19/2010
7654320System and method for processing a mixture of hydrocarbon and CO2 gas produced from a hydrocarbon reservoir
A system and method is disclosed for treating a mixture of hydrocarbon and carbon dioxide gas produced from a hydrocarbon reservoir. The system includes a gas power turbine adapted to burn the produced gas mixture of hydrocarbon and carbon dioxide gas with oxygen as...
02/02/2010
7360588Thermal processes for subsurface formations
A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some embodiments, heat from the one or more heat sources may pyrolyze at least some...
04/22/2008
7357180Inhibiting effects of sloughing in wellbores
Certain embodiments provide a method for treating a subsurface formation. The method includes providing one or more explosives into portions of one or more wellbores selected for the explosion in the formation. The wellbores are formed in one or more zones in the fo...
04/15/2008
7216712Treatment of oil wells
Hydrocarbon solids are removed from an oil well by feeding into the oil well a composition comprising at least 40 vol. % dense phase carbon dioxide and at least 30 vol. % of a C1–C3 alkanol component and optionally one or more surfactants, un...
05/15/2007
7185702Methods and compositions for the in-situ thermal stimulation of hydrocarbons using peroxide-generating compounds
One embodiment provides a method for stimulating hydrocarbon production in a subterranean formation, comprising: introducing a peroxide-generating compound into a desired location in a subterranean formation, wherein the peroxide-generating compound is substantially...
03/06/2007
7172702Method for using water in the processing of fuels for high temperature fuel cells
Wastewater, particularly black water and/or gray water, is used, for example in an aircraft, for processing fuels used in a high temperature fuel cell. For this purpose a liquid hydrocarbon fuel is used for producing an emulsion for use as fuel in the high temperatu...
02/06/2007
7156172Method for accelerating oil well construction and production processes and heating device therefor
Methods are described for providing localized heating in an oil well at precise depths to accomplish or expedite specific objectives. The methods involve the use of a heating tool which can be lowered into an oil well to apply heat at a precise depth to achieve a de...
01/02/2007
7114566In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
An in situ process for treating a hydrocarbon containing formation is provided. The process may include providing heat from one or more heat sources to at least a portion of the formation. Heat sources may include a natural distributed combustor. The natural distrib...
10/03/2006
7096942In situ thermal processing of a relatively permeable formation while controlling pressure
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of th...
08/29/2006
7077198In situ recovery from a hydrocarbon containing formation using barriers
A method is described for inhibiting migration of fluids into and/or out of a treatment area undergoing an in situ conversion process. Barriers in the formation proximate a treatment area may be used to inhibit migration of fluids. Inhibition of migration of fluids ...
07/18/2006
7066254In situ thermal processing of a tar sands formation
An in situ process for treating a tar sands formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation suc...
06/27/2006
7063145Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations
In an embodiment, a method for heating a hydrocarbon containing formation may include providing heat from one or more heaters to an opening in the formation. A first end of the opening may contact the earth's surface at a first location and a second end of the openi...
06/20/2006
7051811In situ thermal processing through an open wellbore in an oil shale formation
An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area from one or more heat sources. A heat source may be positioned in an uncased wellbore. Heat may be allowed to transfer from the heat source to a sectio...
05/30/2006
7051809Burn assisted fracturing of underground coal bed
A method for fracturing subterranean coal formations by injecting air into the formation, igniting the coal, driving the fire away from the wellbore by injecting a cooling media into the burning formation adjacent the wellbore, and subsequently extinguishing the fir...
05/30/2006
7040399In situ thermal processing of an oil shale formation using a controlled heating rate
An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the format...
05/09/2006
7040400In situ thermal processing of a relatively impermeable formation using an open wellbore
A method for treating a relatively low permeability formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected sectio...
05/09/2006
7040398In situ thermal processing of a relatively permeable formation in a reducing environment
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of th...
05/09/2006
7032660In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation
An oil shale formation may be treated using an in situ thermal process. Fluid migration into and/or out of a treatment area in the formation may be inhibited. In some embodiments, a barrier may be used to inhibit migration of fluids into and/or out of the treatment ...
04/25/2006
7013972In situ thermal processing of an oil shale formation using a natural distributed combustor
An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the format...
03/21/2006
7011154In situ recovery from a kerogen and liquid hydrocarbon containing formation
In an embodiment, a method of treating a kerogen and liquid hydrocarbon containing formation in situ may include providing heat from one or more heat sources to at least a portion of the formation. Heat may be allowed to transfer from the one or more heat sources to...
03/14/2006
6997255In situ thermal processing of a hydrocarbon containing formation in a reducing environment
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
02/14/2006
6994168In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
02/07/2006
6991033In situ thermal processing while controlling pressure in an oil shale formation
An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area. Heat may be allowed to transfer from at least one heat source to a section of the formation. Pressure within a portion of the formation may be control...
01/31/2006
6991032In situ thermal processing of an oil shale formation using a pattern of heat sources
A oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formati...
01/31/2006
6981548In situ thermal recovery from a relatively permeable formation
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from a first set of heat sources to a first section of the formation. The heat provided to the first section may pyrolyze at least some hydrocarbo...
01/03/2006
6973967Situ thermal processing of a coal formation using pressure and/or temperature control
A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to...
12/13/2005
6966374In situ thermal recovery from a relatively permeable formation using gas to increase mobility
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of th...
11/22/2005
6948563In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
09/27/2005
6923258In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
08/02/2005
6923257In situ thermal processing of an oil shale formation to produce a condensate
An oil shale formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyro...
08/02/2005
6918443In situ thermal processing of an oil shale formation to produce hydrocarbons having a selected carbon number range
An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the format...
07/19/2005
6918444Method for production of hydrocarbons from organic-rich rock
A method for accelerating the conversion of kerogen to hydrocarbons in a subterranean formation containing organic-rich rock that is located in the vicinity of reservoir-quality strata. Sufficient heat is generated in the reservoir-quality strata such that it heats ...
07/19/2005
6918442In situ thermal processing of an oil shale formation in a reducing environment
An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the format...
07/19/2005
6910536In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
06/28/2005
6896053In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
05/24/2005
6880633In situ thermal processing of an oil shale formation to produce a desired product
An oil shale formation may be treated using an in situ thermal process. Heat may be provided from one or more heat sources. Heat may be allowed to transfer from the heat sources to a section of the formation. Hydrocarbons, H2, and/or other formation fluid...
04/19/2005
6877554In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion o...
04/12/2005
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