| Patents for C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations (31,745) |
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| 08/28/2002 | CN1089846C Solid phase stable emulsion, process for producing hydrocarbon from emulsion and its preparing process |
| 08/27/2002 | US6439309 Compositions and methods for controlling particulate movement in wellbores and subterranean formations |
| 08/27/2002 | US6439308 Method for enhancing oil recovery efficiently is initiated by injecting into a subterranean oil-bearing formation, an aqueous polymer solution as a preceding-slug. y periodically injecting simultaneously or alternately a non-condensible gas |
| 08/22/2002 | WO2002064947A1 Aqueous viscoelastic fluid |
| 08/22/2002 | WO2002064946A1 Aqueous viscoelastic fluid |
| 08/22/2002 | WO2002064945A1 Viscoelastic compositions |
| 08/22/2002 | WO2002064706A2 Use of cardanol aldehyde resins as asphalt dispersants in crude oil |
| 08/22/2002 | WO2002064699A2 Oleaginous drilling fluid, method of use and bio-remediation of the same to produce a useful soil amendments |
| 08/22/2002 | WO2002064698A1 Viscosified aqueous chitosan-containing well drilling and servicing fluids |
| 08/22/2002 | WO2002064697A2 Drillings fluids containing an alkali metal formate |
| 08/22/2002 | DE10106144A1 Verwendung von Cardanol-Aldehydharzen als Asphalten-Dispergatoren in Rohölen Use of cardanol-aldehyde resins as asphaltene dispersants in crude oils |
| 08/21/2002 | EP1232329A1 Method and composition for the triggered release of polymer-degrading agents for oil field use |
| 08/21/2002 | EP1232328A2 A method for recovering water soluble surfactants |
| 08/21/2002 | EP1232233A1 Compositions containing wax modifiers |
| 08/21/2002 | CA2372876A1 Cementing casing strings in deep water offshore wells |
| 08/20/2002 | US6436880 Well treatment fluids comprising chelating agents |
| 08/20/2002 | US6436879 Drilling fluid of cesium formate having a substantially reduced level of divalent and multivalent cation impurities and sulfate and chloride ions |
| 08/20/2002 | US6436878 Rheology stabilizer for high-temperature high-pressure high-mineralized degree drilling fluids |
| 08/20/2002 | US6436877 Hydrate inhibition |
| 08/20/2002 | US6435277 Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations |
| 08/20/2002 | US6435276 Spotting fluid for differential sticking |
| 08/15/2002 | WO2002062920A1 Invert emulsion drilling fluids and muds having negative alkalinity and elastomer compatibility |
| 08/15/2002 | WO2002062919A1 Additive for oil-based invert drilling fluids |
| 08/15/2002 | US20020108753 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 08/15/2002 | CA2437302A1 Additive for oil-based invert drilling fluids |
| 08/15/2002 | CA2432520A1 Invert emulsion drilling fluids and muds having negative alkalinity and elastomer compatibility |
| 08/15/2002 | CA2370875A1 High temperature flexible cementing compositions and methods for using same |
| 08/14/2002 | EP1230468A1 A novel fluid system having controllable reversible viscosity |
| 08/14/2002 | EP1230155A1 Hydrophobic rheologically effective products, method for production and use thereof |
| 08/14/2002 | EP0904338B1 Biodegradable synthetic ester base stocks formed from branched oxo acids |
| 08/14/2002 | CN1364211A Method for injecting dense additive into drilling wells and composition therefor |
| 08/14/2002 | CN1363531A Sludge consolidating agent |
| 08/13/2002 | US6433075 Surfactant based gelling composition for wellbore service fluids |
| 08/13/2002 | US6432885 Well treatment fluids and methods for the use thereof |
| 08/13/2002 | US6431279 Process for in situ generation of chlorine dioxide in oil and gas well formations |
| 08/08/2002 | WO2002060681A1 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
| 08/08/2002 | US20020107151 Acyclilc, aromatic or heteroaromatic mercaptoalcohol(containing a water soluble hydroxy group) corrosion inhibitor for iron alloys |
| 08/08/2002 | US20020104657 Composition and method for treating a subterranean formation |
| 08/08/2002 | US20020104654 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products |
| 08/08/2002 | DE10104869A1 Additiv für ölbasierte Invert-Bohrspülungen Additive for oil-based invert drilling fluids |
| 08/07/2002 | EP1228288A1 Method of microbial enhanced oil recovery |
| 08/06/2002 | US6428995 Compositions for fracturing subterranean formations |
| 08/01/2002 | WO2002033216A3 Corrosion inhibitor-drag reducer combinations |
| 08/01/2002 | US20020103370 Water-soluble polysaccharide for use in food processing |
| 08/01/2002 | US20020103291 Cement Composition |
| 07/30/2002 | US6426321 Biodegradable drilling mud and process for its preparation |
| 07/25/2002 | WO2002034931A3 Method of generating and recovering gas from subsurface formations of coal, carbonaceous shale and organic-rich shales |
| 07/25/2002 | US20020098997 Emulsion-breaking agent comprising at least one non-ionic amphiphilic compound obtained by reacting a polymerized vegetable oil with at least one aminoalcohol and/or a mixture of alkyl esters fatty acids derived from oils |
| 07/25/2002 | US20020098987 Anhydride-modified chitosan, method of preparation thereof, and fluids containing same |
| 07/25/2002 | US20020096366 Method and composition for scavenging sulphide in drilling fluids |
| 07/25/2002 | US20020096330 Bentonite nodules |
| 07/25/2002 | US20020096320 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate |
| 07/25/2002 | US20020096090 Hydraulic cement, water to form a pumpable slurry, gas foaming agent and as foaming additive hydrolyzed keratin; biodegradable |
| 07/25/2002 | DE10102209A1 Inhibiting or removing scale, in oil and gas exploration systems, involves using aqueous solution of iminodisuccinate |
| 07/24/2002 | CN1088141C Mixture for increasing oil layer recovery |
| 07/23/2002 | US6423802 Containing acrylamidomethylpropanesulfonic acid polymer andalkali metal c1 to c2 carboxylic acid |
| 07/23/2002 | US6422326 Aphron-containing well drilling and servicing fluids of enhanced stability |
| 07/23/2002 | US6422325 Method for reducing borehole erosion in shale formations |
| 07/23/2002 | US6422314 Mixture of water, water soluble salt, ammonium compound, flow control agent and polymer |
| 07/23/2002 | CA2196369C Chemically induced stimulation of coal cleat formation |
| 07/23/2002 | CA2056074C Gellable aqueous compositions containing polymers with special chelating functional groups useful for recovering oil from a oil field |
| 07/23/2002 | CA2043009C Method of improving formation permeability using chlorine dioxide |
| 07/18/2002 | WO2002055843A1 Well treatment fluid compositions and methods for their use |
| 07/18/2002 | WO2002055832A2 Conductive medium for openhole logging and logging while drilling |
| 07/18/2002 | WO2002055831A2 Improved method for stimulation of liquid flow in a well |
| 07/18/2002 | WO2002055627A2 Spotting fluid for differential sticking |
| 07/18/2002 | US20020092681 Shale hydration inhibition agent and method of use |
| 07/18/2002 | US20020092652 Foamed fracturing fluids, additives and methods of fracturing subterranean zones |
| 07/17/2002 | EP1223207A1 Well drilling and servicing fluids and removal of filter cake deposited thereby |
| 07/17/2002 | EP0809686B1 Stable and water-resistance aqueous foam composition |
| 07/16/2002 | US6420319 Well treatment method employing new and improved drilling fluids and additives therefor |
| 07/16/2002 | US6419017 Method of preventing gas breakthrough in an oil bearing formation |
| 07/11/2002 | WO2002053873A1 Novel compounds and method for generating a highly efficient membrane in water-based drilling fluids |
| 07/11/2002 | WO2002053676A1 Thinners for invert emulsions |
| 07/11/2002 | WO2002053675A1 Thinners for invert emulsions |
| 07/11/2002 | WO2002034690A3 Foamed well cement slurries, additives and methods |
| 07/11/2002 | WO2001098432A3 Surfactant blends for aqueous solutions useful for enhanced oil recovery |
| 07/11/2002 | WO2001088058A3 Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines |
| 07/11/2002 | CA2433593A1 Novel compounds and method for generating a highly efficient membrane in water-based drilling fluids |
| 07/09/2002 | US6417417 Water, hydrocarbon gas, nucleation agent, crystal growth inhibitor and/or dispersant |
| 07/09/2002 | US6417142 Defoaming methods and compositions |
| 07/09/2002 | US6415865 Hydrocarbon subterranean formations |
| 07/09/2002 | CA2047706C Esters of carboxylic acids of medium chain-length as a component of the oil phase in invert drilling muds |
| 07/04/2002 | WO2001081240A3 In-situ heating of coal formation to produce fluid |
| 07/04/2002 | US20020084074 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
| 07/03/2002 | EP0956427B1 On-line, thermo-chemical process for the dewaxing of oil export pipelines |
| 07/03/2002 | CN1356284A Anti-flowing additive for cement |
| 07/02/2002 | US6412561 Methods of fracturing subterranean formations |
| 07/02/2002 | CA2221374C Curable gypsum-containing composition and method for stabilization of unconsolidated core samples |
| 06/28/2002 | CA2329834A1 High strength, heat- and corrosion-resistant ceramic granules for proppants |
| 06/27/2002 | WO2002016731A3 Method for conditioning standing and running water systems |
| 06/27/2002 | WO2002004784A3 Sand consolidation with flexible gel systems |
| 06/25/2002 | US6410671 Water soluble copolymer containing acrylamide and quaternary ammonium compound |
| 06/25/2002 | US6410489 Mixture of water, an anionic surfactant, cationic surfactantand foaming agents |
| 06/25/2002 | US6410488 Drilling fluid |
| 06/25/2002 | CA2067261C Phenolic resin coated proppants with reduced hydraulic fluid interaction |
| 06/22/2002 | CA2329600A1 Fracturing fluid |
| 06/20/2002 | US20020077515 Allowing heat to transfer from one or more heat sources to selected section of formation; controlling heat from heat sources such that average temperature within at section of formation is less than about 375 degree, producing mixture |
| 06/20/2002 | US20020076803 Breaking viscosity of fluid gelled with a viscoelastic surfactant; obtain fluid gel, incubate with visoelastic surfactant, expose to bacteria, recover gel |
| 06/20/2002 | US20020076212 In situ thermal processing of a hydrocarbon containing formation producing a mixture with oxygenated hydrocarbons |