| 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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| 06/20/2002 | US20020074117 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells |
| 06/20/2002 | US20020073897 Cementitious compositions and cementitious slurries for permanently plugging abandoned wells and processes and methods therefor |
| 06/18/2002 | US6407302 Porous acid catalyst in gas or liquid phase |
| 06/18/2002 | US6406789 Composite proppant, composite filtration media and methods for making and using same |
| 06/18/2002 | US6405809 Conductive medium for openhold logging and logging while drilling |
| 06/18/2002 | US6405801 Ethoxylated hydroxyethylcellulose having a reduced molecular weight. |
| 06/18/2002 | US6405799 Process for in SITU upgrading of heavy hydrocarbon |
| 06/18/2002 | CA2209512C Process for obtaining hydrosoluble polymers, the polymers obtained and their uses |
| 06/13/2002 | WO2002046253A2 Polymeric fluid loss additives and method of use thereof |
| 06/13/2002 | WO2002018486A3 Hydrophilic insoluble cellulose as rheological modifier in water-immiscible liquids |
| 06/13/2002 | WO2001081498A3 Drilling mud |
| 06/13/2002 | US20020070022 Composition and method for treating a subterranean formation |
| 06/12/2002 | EP1213270A1 Well cement fluid loss control additive |
| 06/12/2002 | EP1212385A1 Quaternary ammonium salts as thickening agents for aqueous systems |
| 06/12/2002 | CN1353736A Organosilicon composition |
| 06/11/2002 | US6403537 Drilling fluid systems with improved fluid loss properties |
| 06/11/2002 | US6402934 Reducing viscosity with amine chelate complex |
| 06/11/2002 | US6401819 Methods for deposition of materials in underground reservoirs |
| 06/11/2002 | US6401817 Sealing subterranean zones |
| 06/11/2002 | US6401816 Efficient method for subsurface treatments, including squeeze treatments |
| 06/08/2002 | CA2364648A1 Environmentally acceptable well cement fluid loss control additives, compositions and methods |
| 06/06/2002 | WO2002044519A1 Additive for inhibiting the formation of gas hydrates |
| 06/06/2002 | US20020066566 Method and apparatus for reducing fouling of injection and recovery wells |
| 06/06/2002 | US20020066565 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources |
| 06/06/2002 | US20020066391 Converting paraffin in slop oil into an amorphous form of wax at room temperature, allowing it to be dissolved in crude oil |
| 06/05/2002 | EP1210504A1 Tunnel boring method |
| 06/05/2002 | EP0970026B1 Fluid loss control agents and compositions for cementing oil wells comprising said fluid loss control agent |
| 06/04/2002 | US6399547 Mixture od acid, water and aldehydes |
| 06/04/2002 | US6399546 Fluid system having controllable reversible viscosity |
| 06/04/2002 | US6399545 Method and composition of drilling with fluid including additive |
| 06/04/2002 | US6399544 Mixture of hydrocarbon oil and bentonite clay |
| 06/04/2002 | CA2080959C Water soluble polymers and/or copolymers having enhanced biodegradability and applications thereof |
| 05/30/2002 | WO2002042392A2 Environmentally acceptable fluid polymer suspension for oil field services |
| 05/30/2002 | WO2001077252A3 Wellbore fluids and their application |
| 05/30/2002 | US20020065359 Fracturing fluid |
| 05/30/2002 | US20020063241 Corrosion inhibitor-drag reducer combinations |
| 05/30/2002 | US20020062961 In situ thermal processing of a hydrocarbon containing formation and ammonia production |
| 05/30/2002 | US20020062959 In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen to carbon ratio |
| 05/30/2002 | US20020062764 For use in cementation of a well, notably an oil well, by means of a low-density grout |
| 05/29/2002 | EP1208898A1 Demulsifying organic formulation and use thereof in the treatment of wells drilled with oil mud |
| 05/29/2002 | EP1208282A1 Method for injecting dense additive into drilling wells and composition therefore |
| 05/29/2002 | EP1208119A1 Aqueous gelled composition comprising a block copolymer including at least a water soluble block and a hydrophobic block |
| 05/29/2002 | EP0922013B1 Cementing compositions and application thereof to cementing oil or analogous wells |
| 05/28/2002 | US6395853 Reducing water loss in pertroleum products |
| 05/28/2002 | US6395686 High pressure, high temperature (HPHT) fluid loss control aid for drilling fluids |
| 05/28/2002 | US6395225 Sulphydryl acid and imidazoline salts as inhibitors of carbon corrosion of iron and ferrous metals |
| 05/28/2002 | US6394185 Product and process for coating wellbore screens |
| 05/28/2002 | CA2015832C Multi-stage polymer particles having a hydrophobically-modified, ionically-soluble stage |
| 05/23/2002 | WO2002040828A1 Well treatment method |
| 05/23/2002 | WO2002040827A1 Well treatment |
| 05/23/2002 | WO2002040826A1 Well treatment process |
| 05/23/2002 | WO2002040612A1 Stable liquid suspension compositions and method of making and use thereof |
| 05/23/2002 | WO2002006422A3 Compositions for controlling scaling and completion fluids |
| 05/23/2002 | WO2001081239A3 In situ recovery from a hydrocarbon containing formation |
| 05/23/2002 | US20020062052 Providing heat to the formation; controlling the heat from the heat source such that an average temperature within at least a majority of the selected section of the formation is less than about 375 degrees C. |
| 05/23/2002 | US20020062051 Providing heat to the formation; controlling the heat from the heat source such that an average temperature within at least a majority of the selected section of the formation is less than about 375 degrees C. |
| 05/23/2002 | DE10114638C1 Use of biologically degradable modified polyether compounds of specified formula as gas hydrate inhibitors |
| 05/22/2002 | EP1207267A1 An oil in water fracturing fluid emulsion, method of preparation and use for fracturing a subterranean formation |
| 05/21/2002 | US6391830 Divalent cation-containing well drilling and servicing fluids |
| 05/21/2002 | US6390208 Aphron-containing well drilling and servicing fluids |
| 05/21/2002 | CA1341360C Liquid composition for the production of a gel and process for inserting such gel in a well |
| 05/16/2002 | WO2002038697A2 Shale hydration inhibition agent and method of use |
| 05/16/2002 | WO2002038517A2 Water-selective cementing composition |
| 05/16/2002 | US20020058601 Low-foaming; good biodegradability; can be used in polymer, antifoaming, biocidal, coating, fertilizer, pharmaceutical, and drilling fluid compositions. |
| 05/16/2002 | US20020058581 Spherical ceramic pellet; particle size reduction, mixing spent fluid cracking catalyst with water and binder; sintering |
| 05/16/2002 | US20020057948 Multi grouting system |
| 05/16/2002 | US20020057905 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids |
| 05/16/2002 | US20020056552 In situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids |
| 05/16/2002 | US20020056551 In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
| 05/16/2002 | US20020056405 Set retarders for foamed cements |
| 05/15/2002 | EP1204616A1 A low-density and low-porosity cementing slurry for oil wells or the like |
| 05/15/2002 | EP1204603A1 Method and composition for scavenging sulphide in drilling fluids |
| 05/15/2002 | CN1349587A Method and apparatus for reducing fouling of injection and recovery wells |
| 05/14/2002 | US6387995 Precipitation polymerization process for producing an oil adsorbent polymer capable of entrapping solid particles and liquids and the product thereof |
| 05/14/2002 | US6387986 Compositions and processes for oil field applications |
| 05/14/2002 | US6387853 Derivatization of polymers and well treatments using the same |
| 05/14/2002 | US6387278 Increasing subterranean mobilization of organic contaminants and petroleum by aqueous thermal oxidation |
| 05/14/2002 | US6387137 Mixture of hydrocarbon liquid, phosphate ester, crosslinking ester and promoters |
| 05/10/2002 | WO2002036709A1 Pressure control fluid for high pressure oil and gas well applications |
| 05/09/2002 | US20020055439 Contacting the mineral scale around bore hole with an ionic fluid comprised of a quaternary ammonium compound with a lewis acid anion |
| 05/09/2002 | US20020055438 Non ecotoxic and optimally compatible with formation fluids, comprises at least one anionic surfactant wetting agent and one demulsifier |
| 05/09/2002 | US20020053436 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material |
| 05/09/2002 | US20020053435 In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate |
| 05/09/2002 | US20020053432 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources |
| 05/09/2002 | US20020053431 In situ thermal processing of a hydrocarbon containing formation to produce a selected ratio of components in a gas |
| 05/09/2002 | US20020053429 In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control |
| 05/08/2002 | EP1203068A1 Structured surfactant systems |
| 05/08/2002 | EP1203059A1 Latex additive for water-based drilling fluids |
| 05/08/2002 | DE10114651C1 Consolidation of a geological formation in an underground coal mine by introducing a reaction mixture which forms a polyurethane, uses polyol component containing polyether polyol with solid organic filler formed in situ, and plasticizer |
| 05/08/2002 | CN1348423A Transport of solid particulates |
| 05/07/2002 | US6383990 Fracturing subterranean formation, blending water and polymer such as carboxylated guar and tetramethylammonium halide. crosslinking to form gel and injection into formation for fracture |
| 05/02/2002 | WO2002034931A2 Method of generating and recovering gas from subsurface formations of coal, carbonaceous shale and organic-rich shales |
| 05/02/2002 | WO2002034690A2 Foamed well cement slurries, additives and methods |
| 05/02/2002 | WO2001079590A3 Corrosion inhibitor |
| 05/02/2002 | US20020052298 Guar gum powder possessing improved hydration characteristics |
| 05/02/2002 | US20020052297 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 a pyrolysis temperature. |
| 05/02/2002 | US20020050357 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 05/02/2002 | US20020050356 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio |
| 05/02/2002 | US20020050353 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 05/02/2002 | US20020050352 In situ thermal processing of a hydrocarbon containing formation to control product composition |