| 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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| 10/04/2011 | US8030254 System, method, and apparatus for utilizing divalent brines in viscosified well treatment fluids |
| 10/04/2011 | US8030253 Foamed cement compositions comprising oil-swellable particles |
| 10/04/2011 | US8030252 Drilling or fructuring fluid containing an oleaginous fluid ( diesel oil, cude oil, paraffin oil, olefin etc.) a fluid ( water, fresh or brine, glycerol, polyetheramine) that is partially immiscible with the oleaginous fluid, and emulsion facilitating particles; treating the subterranean formation |
| 10/04/2011 | US8030250 Method of treating subterranean formations with carboxylated guar derivatives |
| 10/04/2011 | US8030249 Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
| 10/04/2011 | US8030248 Drilling fluid and process of making the same |
| 10/04/2011 | CA2628471C Method and composition of preparing polymeric fracturing fluids |
| 09/29/2011 | WO2011119785A2 Method and composition for enhanced oil recovery |
| 09/29/2011 | WO2011119354A2 Nanoparticle-densified completion fluids |
| 09/29/2011 | WO2011117578A1 Methods and compositions for sand control in injection wells |
| 09/29/2011 | WO2011117577A1 Zero shear viscosifying agent |
| 09/29/2011 | WO2011044339A3 Reinforced elastomers |
| 09/29/2011 | US20110237470 Method to decrease viscosity of gelled oil |
| 09/29/2011 | US20110237469 Compositions and methods for inhibiting emulsion formation in hydrocarbon bodies |
| 09/29/2011 | US20110237468 Methods for blocking underground formations |
| 09/29/2011 | US20110237467 Nanoparticle-densified completion fluids |
| 09/29/2011 | US20110237466 Equivalent circulating density control in deep water drilling |
| 09/29/2011 | US20110237465 Release of Chemical Systems for Oilfield Applications by Stress Activation |
| 09/29/2011 | US20110232910 Particle-loaded wash for well cleanup |
| 09/29/2011 | US20110232908 Additive and method for servicing subterranean wells |
| 09/29/2011 | US20110232905 Zero Shear Viscosifying Agent |
| 09/29/2011 | CA2793851A1 Nanoparticle-densified completion fluids |
| 09/29/2011 | CA2791447A1 Zero shear viscosifying agent |
| 09/29/2011 | CA2791420A1 Methods and compositions for sand control in injection wells |
| 09/29/2011 | CA2735455A1 Method to decrease viscosity of gelled oil |
| 09/28/2011 | EP2368961A1 Oil extraction substance |
| 09/28/2011 | EP2367899A1 Removal of crystallinity in guar based materials and related methods of hydration&subterranean applications |
| 09/28/2011 | EP2061857B1 Method of cementing gas or oil pipeline and hydraulic cement slurry |
| 09/28/2011 | CN102203211A A proppant |
| 09/28/2011 | CN102203210A Method of reducing the viscosity of hydrocarbon fluids |
| 09/28/2011 | CN102200006A Profile control and water plugging method for magnetic nano particles |
| 09/28/2011 | CN102199422A Fracturing propping agent, preparation method thereof, and deep well fracturing method |
| 09/28/2011 | CN102199421A Modifier for high-pour-point crude oil |
| 09/28/2011 | CN102199420A Temporary plugging agent for staged fracturing of horizontal well and preparation method thereof |
| 09/28/2011 | CN102199419A Acid soluble cement |
| 09/28/2011 | CN102199418A Inorganic solidifying system for controlling bottom water coning in fracture-cavity karst reservoir, and injection method thereof |
| 09/28/2011 | CN102199417A Technology for preparing mineral composite solid lubricant for well drilling on basis of by-products in chemical industry |
| 09/28/2011 | CN102199251A Acrylamide/2-acrylamido-2-methylpropane sulfonic acid sodium/cyclodextrin modified acrylamide (AM/AMPS-Na/MAM) copolymer and preparation method thereof |
| 09/28/2011 | CN102199222A Amphiphilic starch and preparation method thereof |
| 09/28/2011 | CN102199089A Synthesis process of oleyl isononanoate |
| 09/28/2011 | CN101362942B Formation opener agent for low permeable reservoir of oilfield |
| 09/28/2011 | CN101362940B Profile control agent of injection well |
| 09/27/2011 | US8026198 Shale hydration inhibition agent(s) and method of use |
| 09/27/2011 | US8025104 Method and apparatus for delayed flow or pressure change in wells |
| 09/27/2011 | US8025099 Water transfer system |
| 09/27/2011 | CA2623057C In-situ solidification of invert emulsion fluids to form gas tight annular barrier |
| 09/27/2011 | CA2593604C Reducing volatile phosphorous in hydrocarbon based fracturing fluids |
| 09/27/2011 | CA2569782C Prevention or reduction of particle migration in hydrocarbon formations |
| 09/22/2011 | WO2011115800A1 Polymeric bead catalysts |
| 09/22/2011 | WO2011115729A2 Method and materials for proppant fracturing with telescoping flow conduit technology |
| 09/22/2011 | WO2011113470A1 Enhanced oil recovery process using water soluble polymers having improved shear resistance |
| 09/22/2011 | WO2011083182A3 Clay inhibitors for the drilling industry |
| 09/22/2011 | WO2011062988A3 A method of making a synthetic alkylaryl sulfonate |
| 09/22/2011 | US20110230592 Compressible and Highly Flexible Plugging Agent |
| 09/22/2011 | US20110230376 Emulsified polymer drilling fluid and methods of preparation |
| 09/22/2011 | US20110226471 Use of a solvent and emulsion for in situ oil recovery |
| 09/22/2011 | CA2789831A1 Enhanced oil recovery process using water soluble polymers having improved shear resistance |
| 09/22/2011 | CA2732562A1 Process for increasing the transport flow rate of oil from producing wells |
| 09/21/2011 | CN102197107A High performance water based fluids |
| 09/21/2011 | CN102191031A Production method for manufacturing quartz fracturing sand special for oil field |
| 09/21/2011 | CN102191030A Surfactant for displacing oil and preparation method |
| 09/21/2011 | CN102191029A Microorganism huff-and-puff mining agent used for thick oil well, and preparation method thereof |
| 09/21/2011 | CN102191028A Oil-soluble viscosity breaker composition |
| 09/21/2011 | CN102191027A High-temperature-resistant dispersed fluid loss agent for oil well cement and preparation method thereof |
| 09/21/2011 | CN102191026A Water injection well on-line profile control agent prepared from oil field sewage treatment waste residues |
| 09/21/2011 | CN102191025A Broad-spectrum deformable while-drilling leak-proof sealing agent |
| 09/21/2011 | CN102191024A Curable leak-stopping agent |
| 09/21/2011 | CN102191023A Temporary plugging agent for medium/high-temperature oil-gas reservoir |
| 09/21/2011 | CN102191022A Low-emulsifier-content oil-base drilling fluid |
| 09/21/2011 | CN102191021A Preparation method for lignosulfonic acid iron and manganese salt |
| 09/21/2011 | CN102190750A Copolymer of styrene and N-vinyl pyrrolidone, and preparation method and application thereof |
| 09/21/2011 | CN102190605A Petroleum sulfonate anionic surfactant and preparation method thereof |
| 09/21/2011 | CN102190603A Non-estrogenic alkylphenol derivatives |
| 09/21/2011 | CN101654614B Water glass slurry for grouting on mine working surface |
| 09/21/2011 | CN101654355B Chemical soluble glass slurry for reinforcing and preventing leakage |
| 09/21/2011 | CN101654354B Soluble glass slurry taking water-soluble ester as curing agent |
| 09/21/2011 | CN101378999B Method for controlling the thickening of aqueous systems |
| 09/20/2011 | US8022019 Method of making proppant used in gas or oil extraction |
| 09/20/2011 | US8022016 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 09/20/2011 | US8022015 Method of fracturing with phenothiazine stabilizer |
| 09/20/2011 | US8022014 Deep eutectic solvents and applications |
| 09/20/2011 | US8021516 Use of water-soluble polymer complexes in aqueous systems |
| 09/20/2011 | CA2649574C Dispersive riserless drilling fluid |
| 09/20/2011 | CA2638503C Naphthenic acid solids dissolver compositions and methods related thereto |
| 09/20/2011 | CA2493100C A drag-reducing agent for use in injection water at oil recovery |
| 09/17/2011 | CA2735428A1 Hydrocarbon-based fluid compositions and methods of using same |
| 09/15/2011 | WO2011112519A1 Method of treating a wellbore having annular isolation system |
| 09/15/2011 | WO2011110803A1 Invert drilling fluids having enhanced rheology and methods of drilling boreholes |
| 09/15/2011 | WO2011110802A1 Methods relating to modifying flow patterns using in-situ barriers |
| 09/15/2011 | WO2011110503A1 Method for producing crude oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
| 09/15/2011 | WO2011110502A1 Method for producing crude oil using surfactants based on c16c18-containing alkyl-propoxy surfactants |
| 09/15/2011 | WO2011110501A1 Use of polycarboxylate surfactant mixtures for microemulsion flooding |
| 09/15/2011 | WO2011075242A3 Kinetic gas hydrate inhibitors in completion fluids |
| 09/15/2011 | WO2011060897A4 Compositions and methods for mitigation of annular pressure buildup in subterranean wells |
| 09/15/2011 | WO2011014653A9 Methods for thickening hydrophobic liquids with amphiphilic esters |
| 09/15/2011 | US20110224111 Biodegradable anionic acid corrosion inhibitor comprising sarcosines |
| 09/15/2011 | US20110224110 Particles in Oil for Viscoelastic Surfactant Gelled Fluids |
| 09/15/2011 | US20110224109 Reversible Peptide Surfactants For Oilfield Applications |
| 09/15/2011 | US20110224108 Water-based polymer drilling fluid and method of use |
| 09/15/2011 | US20110224107 Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same |