| 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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| 05/19/2011 | US20110114315 Solids Free Sealing Fluid |
| 05/19/2011 | US20110114314 Water Control Additive Compounds and Methods of Making and Using Same |
| 05/19/2011 | CA2780680A1 Compositions and methods to stabilize acid-in-oil emulsions |
| 05/18/2011 | EP2322586A1 Wellbore fluid comprising a liquid fluorinated phase |
| 05/18/2011 | EP2321494A1 Method for optimizing in-situ bioconversion of carbon-bearing formations |
| 05/18/2011 | EP2321489A1 Treatment and reuse of oilfield produced water for operations in a well |
| 05/18/2011 | CN102061159A High-density high-strength fracturing propping agent for oil and gas wells and preparation method thereof |
| 05/18/2011 | CN102061158A Foam reinforcing polymer oil displacement agent and method |
| 05/18/2011 | CN102061157A Gas-liquid double-phase corrosion inhibitor for gas well and preparation method thereof |
| 05/18/2011 | CN102061156A Corrosion and scale preventing ball for oilfield production equipment and production method thereof |
| 05/18/2011 | CN102061155A Annular protective liquid for water injection well and application thereof |
| 05/18/2011 | CN102061154A Nano high-efficiency composite blockage removing liquid |
| 05/18/2011 | CN102061153A Crude oil emulsifying agent for water plugging of oil well and preparation method thereof |
| 05/18/2011 | CN102061152A High-strength controllable gelout chemical temporary plugging liquid rubber stopper |
| 05/18/2011 | CN102061151A Plugging bearing material for petroleum drilling, and preparation method and application thereof |
| 05/18/2011 | CN102061150A Macromolecular rapid expanding and coagulating agent containing two components |
| 05/18/2011 | CN102061149A High temperature-resisting iron-chromium lignosulfonate diluent and preparation method thereof |
| 05/18/2011 | CN102060966A Synthesis and application in chemical control of HY2008JL high-temperature cross-linking agent |
| 05/18/2011 | CN102060568A Preparation process of loaded water-controlled sand with phase permeability regulating function |
| 05/17/2011 | US7943555 Wellbore treatment kits for forming a polymeric precipitate to reduce the loss of fluid to a subterranean formation |
| 05/17/2011 | US7943554 Wellbore fluid comprising at least one polymer containing pendant alkyl groups |
| 05/17/2011 | US7943058 Tagged scale inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith |
| 05/17/2011 | US7942215 Drilling fluids for oil and gas reservoirs with high carbonate contents |
| 05/17/2011 | US7942201 Apparatus, compositions, and methods of breaking fracturing fluids |
| 05/17/2011 | CA2658692C Methods of preparing settable fluids comprising particle-size distribution-adjusting agents, and associated methods |
| 05/17/2011 | CA2594932C Graphite coating of particulate materials |
| 05/17/2011 | CA2462359C Process for in situ recovery of bitumen and heavy oil |
| 05/12/2011 | WO2011056410A2 Drill-in fluids for oil and gas reservoirs with high carbonate contents |
| 05/12/2011 | WO2011055038A1 Injection fluid and assisted petroleum recovery method |
| 05/12/2011 | WO2011054111A1 Electrically conductive oil base drilling fluids containing carbon nanotubes |
| 05/12/2011 | WO2009099850A3 Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
| 05/12/2011 | US20110112211 Cementing material comprising polymer particles, particles treating method and cement slurry |
| 05/12/2011 | US20110111991 Gelled Hydrocarbon System and Method With Dual-Function Viscosifier/Breaker Additive |
| 05/12/2011 | US20110111990 Strong low density ceramics |
| 05/12/2011 | US20110111989 Compositions and methods to stabilize acid-in-oil emulsions |
| 05/12/2011 | US20110111988 Electrically Conductive Oil Base Drilling Fluids Containing Carbon Nanotubes |
| 05/12/2011 | US20110108274 Additive for well cementing applications |
| 05/12/2011 | US20110108271 Enhancing hydrocarbon recovery |
| 05/12/2011 | CA2779341A1 Injection fluid and assisted petroleum recovery method |
| 05/12/2011 | CA2719177A1 Gelled hydrocarbon system and method with dual-function viscosifier/breaker additive |
| 05/11/2011 | EP2319895A1 Spotting fluid compositions and associated methods |
| 05/11/2011 | EP2318648A1 Systems and methods for producing oil and/or gas |
| 05/11/2011 | EP2318568A1 Corrosion inhibitors having increased biological degradability and minimized toxicity |
| 05/11/2011 | EP2318470A1 Reversible peptide surfactants for oilfield applications |
| 05/11/2011 | EP2318469A1 High performance water based fluids |
| 05/11/2011 | EP2318461A2 Use of a novolak resin for enhancing the acid resistance of a polyamide composition |
| 05/11/2011 | EP1778823B1 Chemical composition of matter for the liquefaction and dissolution of asphaltene and paraffin sludges into petroleum crude oils and refined products at ambient temperatures and method of use |
| 05/11/2011 | CN102057013A Novel surfactants based on branched alcohols for tertiary crude oil recovery |
| 05/11/2011 | CN102056953A Novel method for the treatment of rock formations and novel polyampholytes |
| 05/11/2011 | CN102052060A Fractal design method of particle size distribution of temporary plugging agent in drilling fluid |
| 05/11/2011 | CN102051165A Xanthan gum graft copolymer oil displacement agent as well as preparation method and application thereof |
| 05/11/2011 | CN102051164A Surfactant for oil field and preparation method of surfactant |
| 05/11/2011 | CN102051163A High temperature dispersion stabilizer for gelatine and asphaltene |
| 05/11/2011 | CN102051162A Treatment agent for preventing mud from covering drill bit and preparation method thereof |
| 05/11/2011 | CN102051161A Thick oil huff and puff deep channel blocking system and injection method thereof |
| 05/11/2011 | CN102051160A High-density bound water killing fluid |
| 05/11/2011 | CN102051159A Suspension salt well completion fluid |
| 05/11/2011 | CN102051158A Drilling liquid and preparation method thereof |
| 05/11/2011 | CN102050926A Heat-resistant salt-tolerate graft polyacrylamide and preparation method thereof |
| 05/11/2011 | CN102050917A Macromolecular compound containing aliphatic tertiary amine group as well as preparation method thereof and application in oil displacement agent |
| 05/11/2011 | CN102050916A Tertiary aliphatic amine group-contained macromolecule as well as preparation method and application thereof |
| 05/11/2011 | CN102050914A Ultra-high molecular weight sulfonic acid type acrylamide and preparation method thereof |
| 05/11/2011 | CN102050913A Temperature and salt resistant grafted polyacrylamide and preparation method thereof |
| 05/11/2011 | CN102049212A Branched chain ether type anionic surfactant and preparation method thereof |
| 05/11/2011 | CN101781767B Preparation method of solid corrosion-inhibition scale-inhibition bar used for oil field |
| 05/11/2011 | CN101549265B Preparation of surface active agent of double long-chain alkyl amine oxide and applications thereof |
| 05/11/2011 | CN101475797B Temperature resistant water base fracturing fluid thickening agent and preparation thereof |
| 05/11/2011 | CN101475703B Preparation of multiple emulsion cross linker |
| 05/11/2011 | CN101397493B Petroleum displacing agent |
| 05/11/2011 | CN101293944B High adhesion-promotion salt resistant water-soluble copolymer, preparation method and application thereof |
| 05/11/2011 | CN101220262B Isolating film container horizon protective agent and manufacturing technology |
| 05/11/2011 | CN101085914B Method for preparing acid-resistant pressing crack supporting agent from red mud |
| 05/10/2011 | US7939474 Wellbore fluids containing additives for removing a filter cake and methods of using the same |
| 05/10/2011 | US7939473 Well bore fluids containing reaction product of hydroxyated alkylamine and organic sulfate, phosphate or carbonate; reducing clay swelling during fresh and salt water drilling; easy to handle; environmental and personnel safety |
| 05/10/2011 | US7939472 Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants |
| 05/10/2011 | US7939471 Comprising an aqueous base fluid, a non-aqueous tackifying agent, and a viscoelastic surfactant; enhanced rheological properties as compared to viscoelastic surfactant fluids or gels known in the art, especially at higher temperatures |
| 05/10/2011 | US7939470 Invert emulsion drilling fluids comprising quaternary ammonium emulsifiers and argillaceous solids and methods of drilling boreholes |
| 05/10/2011 | US7939469 Use of CMC in drilling fluids |
| 05/10/2011 | CA2553005C Grout compositions having high thermal conductivities |
| 05/10/2011 | CA2497948C Method and stimulating oil and gas wells using deformable proppants |
| 05/10/2011 | CA2438288C Methods and compositions for consolidating proppant in subterranean fractures |
| 05/05/2011 | WO2011051850A2 Downhole chemical delivery system and method |
| 05/05/2011 | WO2011051684A1 Cement compositions comprising latex, pozzolan and/or cement kiln dust and methods of use |
| 05/05/2011 | WO2011051683A1 Well treatment fluids containing a viscoelastic surfactant and a cross-linking agent comprising a water-soluble transition metal complex |
| 05/05/2011 | WO2011051676A1 Scale inhibiting particulates and methods of using scale inhibiting particulates |
| 05/05/2011 | WO2011051664A1 Methods of cementing in subterranean formations using cement kiln dust in compositions having reduced portland cement content |
| 05/05/2011 | WO2011050509A1 Adjusting and controlling method for microbial enhanced oil recovery |
| 05/05/2011 | WO2011050508A1 Microbial enhanced oil recovery method in low permeability reservoir |
| 05/05/2011 | WO2011050465A1 Breakers for gelled fracturing fluids |
| 05/05/2011 | WO2011050445A1 Water flooding method for secondary hydrocarbon recovery |
| 05/05/2011 | WO2010146429A3 Stabilised emulsions |
| 05/05/2011 | WO2010145676A8 Method of creating a carbon dioxide hydrate |
| 05/05/2011 | US20110105370 Breakers for gelled fracturing fluids |
| 05/05/2011 | US20110105369 Well treatment fluids containing a viscoelastic surfactant and a cross-linking agent comprising a water-soluble transition metal complex |
| 05/05/2011 | US20110105368 Scale Inhibiting Particulates and Methods of Using Scale Inhibiting Particulates |
| 05/05/2011 | US20110105367 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 05/05/2011 | US20110100631 Flooding fluid and enhancing oil recovery method |
| 05/05/2011 | US20110100630 Method of Mitigating Corrosion Rate of Oilfield Tubular Goods |
| 05/05/2011 | US20110100628 Methods of delaying the curing of moisture sensitive curable elastomers |
| 05/05/2011 | CA2779407A1 Downhole chemical delivery system and method |