| 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) |
|---|
| 05/02/2002 | US20020050231 Admixing calcium aluminate, fly ash, sodium polyphosphate and sufficient water to form a pumpable slurry, pumping the slurry into the subterranean wells containing carbon dioxide, allowing the slurry to set into hard impervious mass therein |
| 05/02/2002 | EP1201874A2 Compositions and their use for sealing subterranean zones |
| 05/02/2002 | EP1201618A2 High strength foamed well cement |
| 05/02/2002 | CA2426656A1 Foamed well cement slurries, additives and methods |
| 05/02/2002 | CA2360961A1 Composition and method for acidizing wells and equipment without damaging precipitation |
| 04/30/2002 | US6380137 Used as additives in drilling fluids, for cementation, as completion and workover fluids, and for water shutoff |
| 04/30/2002 | US6380136 Coated products and use thereof in oil fields |
| 04/30/2002 | US6379612 Tertiary alkylamine; for injection wells |
| 04/30/2002 | US6379456 Flow of dry material particles, organic acids, absorbers and blends |
| 04/30/2002 | US6379294 Process for preparing esterquats |
| 04/30/2002 | CA2360459A1 Bacteria-based mechanism and products for viscosity reduction breaking of viscoelastic fluids |
| 04/30/2002 | CA2183339C Application of n,n-dialkylamides to control the formation of emulsions or sludge during drilling or workover of producing oil wells |
| 04/25/2002 | WO2002033216A2 Corrosion inhibitor-drag reducer combinations |
| 04/25/2002 | WO2001081715A3 Method and system for treating a hydrocarbon containing formation |
| 04/25/2002 | US20020049360 In situ thermal processing of a hydrocarbon containing formation to produce a mixture including ammonia |
| 04/25/2002 | US20020049358 Heat sources heat a portion of the coal formation to temperatures that allow pyrolysis of the hydrocarbons; controlling temperature and pressure to yield improved products from the formation |
| 04/25/2002 | US20020049280 Latex prepared by aqueous emulsion polymerization of styrene and butadiene in the presence of a seed polymer containing 2-acrylamido-2-methylpropanesulfonic acid; cement additive; cementing well bores |
| 04/25/2002 | US20020048676 Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
| 04/25/2002 | US20020046883 In situ thermal processing of a coal formation using pressure and/or temperature control |
| 04/25/2002 | US20020046839 In situ thermal processing of a coal formation to produce hydrocarbon fluids and synthesis gas |
| 04/25/2002 | US20020046838 One or more heat sources used to heat a portion of the hydrocarbon containing formation to temperature that allow pyrolysis of hydrocarbons to yield a mixture of relatively high quality hydrocarbon product such as synthesis gas et. |
| 04/25/2002 | US20020046837 In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content |
| 04/25/2002 | US20020046832 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products |
| 04/25/2002 | CA2425768A1 Corrosion inhibitor-drag reducer combinations |
| 04/24/2002 | EP1198536A1 Water-in-oil microemulsions useful for oil field or gas field applications and methods for using the same |
| 04/24/2002 | EP1198449A1 Process for preparing esterquats |
| 04/24/2002 | EP1198442A1 Use of metathesis products of fischer-tropsch process products |
| 04/24/2002 | CA2337372A1 High strength foamed well cement compositions and methods |
| 04/23/2002 | US6375907 Conversion to hydrochloric acid; extracting energy from geothermal fluid; reduced emission of hydrogen sulfide from subterranean formations during production of natural gas or oils |
| 04/23/2002 | CA2153255C Method for installing a gravel pack completion adjacent a formation in a well |
| 04/23/2002 | CA2097188C Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining |
| 04/18/2002 | WO2002018745A3 Fracturing fluid |
| 04/18/2002 | WO2001066908A3 Lightweight compositions and methods for sand control |
| 04/18/2002 | WO2001051767A3 Addition of solids to generate viscosity downhole |
| 04/18/2002 | US20020045553 In situ thermal processing of a hycrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
| 04/18/2002 | US20020043405 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |
| 04/18/2002 | US20020043367 In situ thermal processing of a hydrocarbon containing formation to increase a permeability of the formation |
| 04/18/2002 | US20020043366 In situ thermal processing of a coal formation and ammonia production |
| 04/18/2002 | US20020043365 In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells |
| 04/18/2002 | DE10059816C1 Comb (co)polymers used as gas hydrate inhibitors, e.g. in petroleum and natural gas exploration, extraction, transport and storage, contain units derived from etherified di- or poly-oxyalkyl (alkyl)acrylate |
| 04/17/2002 | EP1196134A1 Water soluble polymer composition and method of use |
| 04/17/2002 | EP1196130A1 Low molecular weight water soluble polymer composition and method of use |
| 04/16/2002 | US6372694 Suspensions with high storage stability, comprising an aqueous silicate solution and a filler material |
| 04/16/2002 | US6372678 Proppant composition for gas and oil well fracturing |
| 04/16/2002 | US6372037 Sulfonated lignin and alkali lignin having organic sulfur content of from 0% to 3.5% by weight; for cementing in subterranean well bore |
| 04/11/2002 | WO2002029204A1 Bentonite nodules |
| 04/11/2002 | US20020040812 Methods for reducing lost circulation in wellbores |
| 04/11/2002 | US20020040781 In situ thermal processing of a hydrocarbon containing formation using substantially parallel wellbores |
| 04/11/2002 | US20020040780 In situ thermal processing of a hydrocarbon containing formation to produce a selected mixture |
| 04/11/2002 | US20020040779 In situ thermal processing of a hydrocarbon containing formation to produce a mixture containing olefins, oxygenated hydrocarbons, and/or aromatic hydrocarbons |
| 04/11/2002 | US20020040778 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content |
| 04/11/2002 | DE10047478A1 Verfahren zur Steigerung der Förderleistung von Erdöl A method for increasing the flow rate of oil |
| 04/10/2002 | EP1195362A1 Lightweight cement slurries |
| 04/10/2002 | EP1194497A1 Water based wellbore fluids |
| 04/10/2002 | CN1082605C Method of chemically induced stimulation of coal cleat formation |
| 04/09/2002 | US6369004 Oil and gas drilling and transportation; antiscaling crystal growth inhibitors added at low concentrations; maleic anhydride polymers reacted with amines where cyclic imide products do not form |
| 04/09/2002 | US6368422 Process for removing solid asphalt residues produced in the petroleum industry |
| 04/09/2002 | US6367550 Foamed well cement slurries, additives and methods |
| 04/09/2002 | US6367549 Methods and ultra-low density sealing compositions for sealing pipe in well bores |
| 04/04/2002 | WO2002027140A1 Method for increasing the transportation capacity of crude oil |
| 04/04/2002 | WO2002027137A1 Well sealing method and apparatus |
| 04/04/2002 | WO2002026656A1 Proppant composition for gas and oil-well fracturing |
| 04/04/2002 | WO2002026654A2 A cementing composition including a dispersant agent for cementing operation in oil wells |
| 04/04/2002 | WO2002008562A3 Combined liner and matrix system, use of the system and method for control and monitoring of processes in a well |
| 04/04/2002 | WO2001096707A8 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 04/04/2002 | WO2001086115A3 A method for treating a hydrocarbon containing formation |
| 04/04/2002 | US20020040177 In situ thermal processing of a hydrocarbon containig formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| 04/04/2002 | US20020040173 Providing heat from one or more heat sources to at least one portion of formation; allowing heat to transfer from the one or more heat sources to a selected section of the formation; controlling the heat; producing a mixture from the formation |
| 04/04/2002 | US20020039972 Fracturing method using aqueous or acid based fluids |
| 04/04/2002 | US20020039486 In situ thermal processing of a coal formation using heat sources positioned within open wellbores |
| 04/04/2002 | US20020038863 Brine fluids with improved corrosion properties |
| 04/04/2002 | US20020038712 In situ production of synthesis gas from a coal formation through a heat source wellbore |
| 04/04/2002 | US20020038711 Pyrolysis |
| 04/04/2002 | US20020038710 In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content |
| 04/04/2002 | US20020038709 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 04/04/2002 | US20020038708 In situ thermal processing of a coal formation to produce a condensate |
| 04/04/2002 | US20020038706 In situ thermal processing of a coal formation with a selected vitrinite reflectance |
| 04/04/2002 | US20020038705 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 04/04/2002 | DE10044535A1 Underground, permeable filter formed in-situ to prevent solids migration to consolidate boreholes, comprises quartz introduction wetted by resin-hardener-bonding agent system |
| 04/03/2002 | EP1193365A1 Reducing subterranean formation water permeability |
| 04/03/2002 | EP1193230A1 A cementing composition including a dispersant agent for cementing operation in oil wells |
| 04/03/2002 | EP1192233A1 Polymer compositions |
| 04/03/2002 | EP1192215A1 Microfibrillated and/or microcrystalline dispersion, in particular of cellulose, in an organic solvent |
| 04/02/2002 | US6365647 Process for preparing a polymeric latex |
| 04/02/2002 | US6365639 Useful for drilling, milling and mining applications |
| 04/02/2002 | US6365067 For iron bases alloy |
| 04/02/2002 | US6365053 Removal of H2S in drilling mud |
| 04/02/2002 | US6364020 Emulsion for well and formation treatment |
| 04/02/2002 | US6364019 Method for sand control in oil, gas and water wells |
| 04/02/2002 | US6364018 Lightweight methods and compositions for well treating |
| 04/02/2002 | US6364016 Methods of reducing the water permeability of subterranean formations |
| 04/02/2002 | CA2322102A1 Fracturing fluid |
| 03/28/2002 | WO2002025055A1 Method of preventing gas breakthrough in an oil bearing formation |
| 03/28/2002 | WO2002024831A2 Viscoelastic surfactant fluids at high brine concentrations |
| 03/28/2002 | WO2002024771A2 Subterranean wellbore and formation sealing compositions |
| 03/28/2002 | WO2001093842A3 Composition for controlling wellbore fluid and gas invasion and method for using same |
| 03/28/2002 | WO2001081716A3 A method for sequestering a fluid within a hydrocarbon containing formation |
| 03/28/2002 | WO2001081502A3 Mineral acid enhanced thermal treatment for viscosity reduction of oils (ecb-0002) |
| 03/28/2002 | WO2001077487A3 Viscosity reduction of viscoelastic surfactant based fluids |
| 03/28/2002 | WO2001063090B1 Foaming agents for use in coal seam reservoirs |