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| Number | Title | Issue Date |
| 8051908 | Biogenic fuel gas generation in geologic hydrocarbon deposits A method for stimulating methane production from a carbonaceous material is described. The methods may include the step of contacting the material with cells of a methanogenic consortium under anaerobic conditions to form a reaction mixture. The method may also incl... | 11/08/2011 |
| 7992639 | Methods for improved hydrocarbon and water compatibility Improvement in the compatibility of hydrocarbon and water is achieved by surface active agents newly synthesized by mixed microbial populations. Methods for enhancing the microbial production of surface-active agents in hydrocarbon-exposed surface waters can be achi... | 08/09/2011 |
| 7975762 | Biogenic fuel gas generation in geologic hydrocarbon deposits A method of increasing biogenic production of a combustible gas from a subterranean geologic formation is described. The method may include extracting formation water from the geologic formation, where the extracted formation water includes at least a first species ... | 07/12/2011 |
| 7942201 | Apparatus, compositions, and methods of breaking fracturing fluids Apparatus and methods of reducing the viscosity of a gelled fluid is provided. In one embodiment, a viscosity reducing microbe is disposed in a capsule and added to the gelled fluid. The gelled fluid may include a thickening agent adapted to increase its viscosity. ... | 05/17/2011 |
| 7845403 | Biogenic fuel gas generation in geologic hydrocarbon deposits A process for introducing microorganisms to carbonaceous material in an anaerobic environment is described. The process includes the step of extracting formation water from a geologic formation, and removing at least a portion of an extractable material from the for... | 12/07/2010 |
| 7832475 | Biogenic methane production enhancement systems Systems for enhanced in-situ or perhaps even ex-situ biogenic methane production from hydrocarbon-bearing formations (1) including coal seam, oil shale, coal, coal derivates and the like are presented in embodiments such as but not limited to: increasing and ... | 11/16/2010 |
| 7743827 | Remote operation wire line core sampling device Remote operation wire line core sampling device capable of increasing efficiency of working and maintaining a wall of a hole using a stabilized sea-bottom core drill at a sea-bottom, and adopting a wire line system. The device includes a drill rod held by a chuck of... | 06/29/2010 |
| 7740063 | Method for identification of novel anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source A method for the phylogenetic identification of indigenous anaerobic denitrifying bacterial species in an oil well is described. The method avoids the process of enrichment of microbial samples. ... | 06/22/2010 |
| 7708065 | Identification, characterization, and application of sp. AL9:8 useful in microbially enhanced oil recovery The present disclosure relates to isolation, identification and application of Thauera strain AL9:8 which grows on crude oil as the sole carbon source under denitrifying anaerobic conditions Thauera strain AL9:8 can be used alone or in concert with oth... | 05/04/2010 |
| 7681638 | Wellbore treatment for reducing wax deposits A method of reducing wax deposition in an oil wellbore tubing includes providing an aqueous bioslurry comprising at least one microbe capable of degrading paraffin wax at about 20-45° C. and a nutrient medium containing one or more carbon source and an oxygen slow-... | 03/23/2010 |
| 7681639 | Process to increase the area of microbial stimulation in methane gas recovery in a multi seam coal bed/methane dewatering and depressurizing production system through the use of horizontal or multilateral wells A process to increase the area of microbial stimulation in a process of methane gas recovery in a multi seamed coal bed/methane dewatering and depressurizing production system by first utilizing an underbalanced multilateral drilling technique. At this point in the ... | 03/23/2010 |
| 7677305 | Ring reduction via natural anaerobic microbiological activity for transformation of crude oil-associated aromatic chemicals Methods of reducing the viscosity of crude oil in an oil well are provided. The methods comprise the introduction of at least on reductant to an injection fluid which is then injected into the well. Aromatic hydrocarbons in the oil are reduced in the presence of red... | 03/16/2010 |
| 7640978 | Biogenic fuel gas generation in geologic hydrocarbon deposits A method for stimulating methane production from a carbonaceous material is described. The methods may include the step of contacting the material with cells of a methanogenic consortium under anaerobic conditions to form a reaction mixture. The method may also incl... | 01/05/2010 |
| 7556094 | Method for converting coal to biogenic methane A method for converting coal to biogenic methane is provided. The method comprises providing a solid coal matrix, converting the solid coal matrix into soluble, coal-derived constituents, introducing indigenous microorganisms and nutrients into the soluble, coal-der... | 07/07/2009 |
| 7484560 | Process for enhanced recovery of crude oil from oil wells using novel microbial consortium The present invention provides a microbial consortium containing three hyperthermophilic, barophilic, acidogenic, anaerobic bacterial strains for enhanced oil recovery from oil reservoirs where temperatures range from 70° C. to 90√ C. The said microbial consortiu... | 02/03/2009 |
| 7472747 | Biological enhancement of hydrocarbon extraction A method of microbial enhanced oil recovery for recovering oil from an oil-bearing rock formation is provided. The methodology uses a consortium of bacteria including a mixture of surfactant producing bacteria and non-surfactant enzyme producing bacteria which may r... | 01/06/2009 |
| 7438814 | Method and apparatus for the purification of ground water The present invention relates to a method for decreasing the contents of metals, metalloids, nitrate and nitrite, respectively, in raw water flowing through a basin (1), whereby water containing either oxygen, oxygen-releasing substances, metabolic reactions ... | 10/21/2008 |
| 7426960 | Biogenic fuel gas generation in geologic hydrocarbon deposits A method to stimulate the biogenic production of a metabolite with enhanced hydrogen content that includes forming an opening in a geologic formation to provide access to a consortium of microorganisms, and injecting water into the opening to disperse at least a por... | 09/23/2008 |
| 7407583 | In-situ groundwater nitrification and de-nitrification remediation system A method of in-situ groundwater nitrification, by: extracting groundwater from the ground; adding oxygen to the extracted groundwater; adding nutrients to the extracted groundwater; and injecting the groundwater back into the ground, wherein the oxygen reacts with i... | 08/05/2008 |
| 7347263 | Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery A composition includes water having a salinity of at least 1 ppt, at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of changing the per... | 03/25/2008 |
| 7334641 | Composition and method to enhance recovery from oil wells A formulation and method to enhance recovery from an oil wherein the method supplies a mixture of petroleum distillates and terpenoid compounds, and a salt extraction formulation comprising a mixture of humic acid and fulvic acid. The method discontinues the extract... | 02/26/2008 |
| 7325603 | Methods of well treatment A method is disclosed relating to the treatment of a hydrocarbon well, which method comprises administering down a bore hole thermophilic microorganisms capable of generating a well treatment chemical, in particular wherein the bore hole is a producer bore hole and ... | 02/05/2008 |
| 7320365 | Methods for increasing production from a wellbore The present invention generally relates to a method for recovering productivity of an existing well. First, an assembly is inserted into a wellbore, the assembly includes a tubular member for transporting drilling fluid downhole and an under-reamer disposed at the e... | 01/22/2008 |
| 7291265 | Passive treatment of wastewater and contaminated groundwater A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred n... | 11/06/2007 |
| 7268100 | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclo... | 09/11/2007 |
| 7252986 | Process for the biodegradation of hydrocarbons and ethers in subsurface soil by introduction of a solid oxygen source by hydraulic fracturing A bioremediation of subsurface soil formations contaminated with hazardous wastes is achieved by hydraulic fracturing of the subsurface soil formation with simultaneous introduction of sodium percarbonate coated with polyvinylidene chloride as a solid oxygen source ... | 08/07/2007 |
| 7231974 | Self-leaving in-situ device and method for passively removing oil from water wells A simple and inexpensive device with no moving arts for removing from a well non-aqueous liquids, such as gasoline or crude oil, that accumulate on top of the water table in the well comprises a buoyant elongated member, such as a plastic tube sealed at both ends, a... | 06/19/2007 |
| 7214792 | Microbial exopolysaccharide and uses thereof A novel microorganism producing a nontoxic, non-antigenic exopolysaccharide is taught. The exopolysaccharide has neutral sugars migrating at the same rate as mannose, fucose, fructose and galactose, acidic sugars migrating at the same rate as fucose and amine sugars... | 05/08/2007 |
| 7202340 | No-modified hemoglobins and uses therefor Nitrosylhemoglobin can be produced by introducing gaseous NO into an aqueous solution of hemoglobin. It has been demonstrated that nitrosylhemoglobin in aqueous solution can be converted to SNO-hemoglobin upon introduction of oxygen to the solution, as is postulated... | 04/10/2007 |
| 7195071 | Enzyme compositions and methods of using these compositions to degrade succinoglycan This invention relates to enzyme compositions and methods of using these enzyme compositions, inter alia, to degrade succinoglycan. In one embodiment, the present invention provides a method of degrading succinoglycan comprising contacting the succinoglycan with an ... | 03/27/2007 |
| 7172030 | Applications of waste gas injection into natural gas reservoirs Natural gas is produced from a reservoir above a bitumen reserve with minimal or no impact on concurrent or subsequent production of bitumen recovery techniques including SAGD. Greenhouse benefits over and above the benefits of coincidental recovery are available th... | 02/06/2007 |
| 7160459 | In-situ bioremediation for petroleum contamination Methods and compositions provide site-specific bioremediation for petroleum contamination of soil and groundwater. ... | 01/09/2007 |
| 7152675 | Subterranean hydrogen storage process A method for the storage of hydrogen within a subterranean solid carbonaceous formation such as a coal seam. At least one well extends from the surface of the earth into the formation and a pressure gradient extends from the formation to the well to desorb methane w... | 12/26/2006 |
| 7147779 | Passive treatment of wastewater and contaminated groundwater A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred n... | 12/12/2006 |
| 7137945 | Underground treatment of biowaste A method of disposal of biowaste material which comprises drilling a first section of an injection well from the ground into a porous layer, drilling a second section of the injection well from a lower terminus of the first section of the injection well into the por... | 11/21/2006 |
| 7138059 | Environmental bioremediation using shell as an electron donor A method for in situ bioremediation of contaminants in the environment is described. The method includes adding an electron donor to ground water in an amount sufficient for a microbe in the ground water to use the electron donor for reducing the contaminant into an... | 11/21/2006 |
| 7128156 | Wellbore rig with heat transfer loop apparatus A rig, the rig useful in well operations, the rig having rig structure above the earth, and heat transfer loop apparatus connected to the rig for supplying heat transfer fluid for use on the rig, either from a loop or loops with portion(s) in water or portion(s) in ... | 10/31/2006 |
| 7128150 | Acid gas disposal method This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion of the formation to dispose of the waste gas. The waste gas is injec... | 10/31/2006 |
| 7124817 | Method of treating a hydrocarbon bearing formation A method of treating a hydrocarbon-bearing measure such as an oil-bearing rock formation (13). The method comprises: injecting water containing a source of vitamins, phosphates and an electron acceptor such as nitrate into the formation at first location (... | 10/24/2006 |
| 7059411 | Process of using a propellant treatment and continuous foam removal of well debris and apparatus therefore A damaged formation is stimulated by igniting a propellant adjacent openings in the wellbore in communication with the damaged formation. Substantially immediately thereafter, low density foam is injected adjacent the openings and circulated to the surface for the r... | 06/13/2006 |
