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| Application No. | Application Title | Issue Date |
| 20120067568 | METHOD OF USING CARBON DIOXIDE IN RECOVERY OF FORMATION DEPOSITS The present invention relates to systems, apparatuses, and methods for providing a reliable, high purity source of CO2 that is used in the recovery of formation deposits, such as fossil fuels. At least a portion of the fossil fuels recovered may be directly c... | 03/22/2012 |
| 20100258305 | Method for recovery of stranded oil The present invention provides a method of recovering stranded oil wherein heated fluid is injected into a reservoir containing stranded oil in a region near the reservoir ceiling, or alternatively the heated fluid is generated downhole using a downhole combustor and th... | 10/14/2010 |
| 20100258265 | RECOVERING ENERGY FROM A SUBSURFACE FORMATION A method of recovering energy from a subsurface hydrocarbon containing formation includes introducing an oxidizing fluid in a wellbore positioned in at least a first portion of the formation. At least a portion of the first portion of the formation has been subjected to... | 10/14/2010 |
| 20100206563 | IN SITU COMBUSTION PROCESSES AND CONFIGURATIONS USING INJECTION AND PRODUCTION WELLS Methods and systems relate to in situ combustion utilizing configurations of injection and production wells to facilitate the in situ combustion. The wells define vertically deviated lengths that have different orientations from one another. Further, heating processes s... | 08/19/2010 |
| 20100200227 | BITUMEN PRODUCTION METHOD A method for the production of a CO2 rich stream for sequestration in depleted oil sand reservoirs and the production and use of a CO2 rich oxidant for in situ bitumen production from oil sand reservoirs.... | 08/12/2010 |
| 20100155060 | TRIANGLE AIR INJECTION AND IGNITION EXTRACTION METHOD AND SYSTEM The present invention is a process for recovering oil from an underground oil-containing reservoir. The process includes providing one or more injection wells for injecting a gaseous fluid (steam and air) into the reservoir, the one or more injection wells having a plur... | 06/24/2010 |
| 20100139915 | PRODUCER WELL PLUGGING FOR IN SITU COMBUSTION PROCESSES Methods and apparatus relate to controlling location of inflow into a production well during in situ combustion. The production well includes intervals closable to the inflow at identified times. Once a combustion front from the in situ combustion passes one of the inte... | 06/10/2010 |
| 20100126719 | INCREASING OIL PRODUCTION A method of recovering petroleum from dormant oil wells or increasing the production of oil wells is disclosed. An alkali or alkali earth carbonate is introduced into a water layer associated with a subterranean petroleum reservoir and/or an explosive composition is int... | 05/27/2010 |
| 20100078167 | ENERGY EFFICIENT, LOW EMISSIONS SHALE OIL RECOVERY PROCESS A process relates to the energy efficient, environmentally friendly recovery of liquid and gaseous products from solid or semi-solid hydrocarbon resources, in particular, oil shale or tar sands. The process involves non-oxidative pyrolysis to recover fluid energy values... | 04/01/2010 |
| 20090236092 | METHOD AND SYSTEM FOR EXTRACTION OF HYDROCARBONS FROM OIL SANDS A system and method for extracting hydrocarbon products from oil sands using nuclear energy sources for power to decrease the viscosity of bitumen in oil sands deposits and provide sufficient heat and pressure to produce liquid and gaseous hydrocarbon products. Steps fo... | 09/24/2009 |
| 20090200022 | CRYOGENIC TREATMENT OF GAS Systems and methods of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream. The third stream is cryogenically contacted with a carbon dioxide stream to... | 08/13/2009 |
| 20090200023 | HEATING SUBSURFACE FORMATIONS BY OXIDIZING FUEL ON A FUEL CARRIER A method of heating a portion of a subsurface formation includes drawing fuel on a fuel carrier through an opening formed in the formation. Oxidant is supplied to the fuel at one or more locations in the opening. The fuel is combusted with the oxidant to provide heat to... | 08/13/2009 |
| 20090188667 | SYSTEM AND METHOD FOR THE RECOVERY OF HYDROCARBONS BY IN-SITU COMBUSTION A system and a method for recovering hydrocarbons from a reservoir containing hydrocarbons, by in-situ combustion. The system includes a primary liquid production wellbore having a substantially horizontal primary production length extending through the reservoir, a ven... | 07/30/2009 |
| 20090178805 | PRODUCTION OF NATURAL GAS FROM HYDRATES Methods and apparatus for producing methane gas from a hydrate formation. A column of modified material substantially filling a wellbore extending into the hydrate formation. The column of modified material is permeable to gases. A heat source extends into the column of... | 07/16/2009 |
| 20080289819 | Utilization of low BTU gas generated during in situ heating of organic-rich rock A method for utilizing gas produced from an in situ conversion process is provided. The method may include heating an organic-rich rock formation, for example an oil shale formation, in situ. The method may further include producing a production fluid from the organic-r... | 11/27/2008 |
| 20080283241 | Downhole burner wells for in situ conversion of organic-rich rock formations A method for in situ heating of an organic-rich rock formation is provided. Preferably the organic-rich rock formation comprises kerogen. The method may include the steps of providing a first wellbore extending at least to a depth of the organic-rich rock formation, and... | 11/20/2008 |
| 20080257549 | Consumable Downhole Tools A downhole tool having a body or structural component comprises a material that is at least partially consumed when exposed to heat and a source of oxygen. The material may comprise a metal, such as magnesium, which is converted to magnesium oxide when exposed to heat a... | 10/23/2008 |
| 20080135238 | Method and apparatus for disposal of well flare gas in oil and gas drilling and recovery operations A wellhead gas recovery system and method for the generation of power from wellhead gas is provided. A gas conduit is used to direct wellhead gas from a wellhead casing or wellhead bore to a stirling engine where the wellhead gas is used as the fuel source for the stirl... | 06/12/2008 |
| 20070193743 | In situ method and system for extraction of oil from shale A system and process is disclosed for retorting oil shale and extracting shale oil and other hydrocarbons therefrom, in which a cased heat delivery well is drilled generally vertically through an overburden and then through a body of oil shale to be retorted to the bott... | 08/23/2007 |
| 20060076131 | Well cleaning method and apparatus using detonating cord having additional reliability and a longer shelf life A Well Cleaning Method and Apparatus using detonating cord having Additional Reliability and a Longer Shelf Life is disclosed. The method and apparatus employs one or more subassembly, each subassembly having a combustible material, means for igniting the combustible ma... | 04/13/2006 |
| 20050252656 | In-situ method of producing oil shale and gas (methane) hydrates, on-shore and off-shore A method is provided for in-situ production of oil shale and gas (methane) hydrates wherein a network of fractures is formed by injecting liquified gases into at least one substantially horizontally disposed fracturing borehole. Heat is thereafter applied to liquify the... | 11/17/2005 |
| 20050082058 | Method for enhancing methane production from coal seams Discloses a three step process to stimulate well production of methane from coal seams, wherein step one provides for injection of a treating gas into a well bore intersecting a coal seam, step two includes a shut-in period and step three comprises the placement of a pr... | 04/21/2005 |
| 20050082057 | Recovery of heavy oils through in-situ combustion process An in-situ combustion process heats an oil-bearing formation so as to reduce the viscosity of heavy oil, and/or to extract oil from solid or semi-solid materials in the formation. Oxygen-enriched air for the combustion is generated non-cryogenically at the surface, pref... | 04/21/2005 |
| 20050051327 | Thermal 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 hyd... | 03/10/2005 |
