| 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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| 03/07/2012 | CN101857398B Strong wall-building composite plugging agent |
| 03/07/2012 | CN101676360B Ultra-low permeability oil layer protection drilling fluid for horizontal well |
| 03/07/2012 | CN101671553B Self-gas-production solid-foam liquor drainage ball of watered gas well |
| 03/07/2012 | CN101629073B Preparation method of stable oil displacement agent for clay and application thereof |
| 03/07/2012 | CN101597488B Treating fluid for high solid phase drilling fluid filter cake removal |
| 03/07/2012 | CN101555404B Environment-friendly low-damage solidfree well control fluid and applications thereof |
| 03/07/2012 | CN101525986B Method for removing sulfate radical from injected water in oil field for anti-scaling |
| 03/07/2012 | CN101328798B Method for extracting thick oil |
| 03/07/2012 | CN101153267B Microorganism powder preparation for oil production and method of use thereof |
| 03/07/2012 | CN101139520B Method for preparing alkanolamide and its application in teritary oil extraction |
| 03/06/2012 | US8129317 aqueous base fluid containing a crosslinked carboxylic acid polymer as a gelling agent: acrylamide terpolymer with acrylamidopropanesulfonic acid and itaconic acid, 1-butene-2,3,4-tricarboxylic acid or maleic acid; may be foamed; fracturing a subterranean formations |
| 03/06/2012 | US8129316 Method of creating a carbon dioxide hydrate |
| 03/06/2012 | CA2678155C Low-density ceramic proppant and its production method |
| 03/01/2012 | WO2012027757A1 Alkoxy carboxylate surfactants |
| 03/01/2012 | WO2012027729A1 Fluorinated ethoxylated polyurethanes |
| 03/01/2012 | WO2012027083A1 Zero-leakoff emulsified acid |
| 03/01/2012 | WO2012025800A2 Delivery of particulate material below ground |
| 03/01/2012 | WO2012025799A2 Delivery of particulate material below ground |
| 03/01/2012 | WO2012025150A1 Method and apparatus for thermally treating an oil reservoir |
| 03/01/2012 | WO2012024786A1 Drilling fluid and method for drilling in coal-containing formations |
| 03/01/2012 | WO2012024764A1 A contaminant control system in an evaporative water treating system |
| 03/01/2012 | WO2011159398A3 Method for improving the clean-up of emulsified acid fluid systems |
| 03/01/2012 | WO2011146185A3 Increasing the viscosity of viscoelastic fluids |
| 03/01/2012 | US20120053252 Fluorinated ethoxylated polyurethanes |
| 03/01/2012 | US20120053092 Shale Hydration Inhibition Agents for Utilization in Water-based Drilling Fluids |
| 03/01/2012 | US20120048557 Delivery of particulate material below ground |
| 03/01/2012 | US20120048555 Delivery of particulate material below ground |
| 03/01/2012 | US20120048554 Delivery of particulate material below ground |
| 03/01/2012 | US20120048549 Polymer Emulsions And Well Treatment Fluids |
| 03/01/2012 | US20120048548 Use of Nano-Sized Phyllosilicate Minerals in Viscoelastic Surfactant Fluids |
| 03/01/2012 | US20120048547 Method of gravel packing |
| 03/01/2012 | CA2809658A1 Alkoxy carboxylate surfactants |
| 03/01/2012 | CA2809412A1 Delivery of particulate material below ground |
| 03/01/2012 | CA2809408A1 Delivery of particulate material below ground |
| 03/01/2012 | CA2808762A1 Drilling fluid and method for drilling in coal-containing formations |
| 03/01/2012 | CA2808229A1 Fluorinated ethoxylated polyurethanes |
| 02/29/2012 | EP2421931A1 Method for enhancing stability of oil based drilling fluids at high temperatures |
| 02/29/2012 | EP2421930A1 Methods and composition relating to the chemical degradation of degradable polymers |
| 02/29/2012 | EP2421929A1 Well treatment compositions and methods utilizing nano-particles |
| 02/29/2012 | EP2240552B1 Methods for treating hydrocarbon-bearing formations with fluorinated polymer compositions |
| 02/29/2012 | EP2225344B1 Method of treating proppants and fractures in-situ with fluorinated silane |
| 02/29/2012 | CN102365344A Wellbore fluid and methods of treating an earthen formation |
| 02/29/2012 | CN102363727A Seawater-based oil gas well fracturing fluid |
| 02/29/2012 | CN102363726A Novel oil soluble viscosity breaking agent for thickened oil recovery |
| 02/29/2012 | CN102363635A Hydrophobic associating hydroxyethyl cellulose compound, synthesis method thereof, drilling fluid additive and application thereof |
| 02/29/2012 | CN101597487B Oil well cement high temperature retarder |
| 02/28/2012 | US8124670 Water-soluble and biodegradable copolymers on a polyamide basis and use thereof |
| 02/28/2012 | US8124571 Consolidation via alkali metal/alkaline earth metal bicarbonate; well bores |
| 02/28/2012 | US8124570 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 02/28/2012 | US8124569 Control of the properties of cement slurries of normal densities with optimized polymers combination |
| 02/28/2012 | US8122959 Methods and materials for zonal isolation |
| 02/28/2012 | US8122957 Sand control method using porous particulate materials |
| 02/23/2012 | WO2012024498A2 Wellbore service fluid and methods of use |
| 02/23/2012 | WO2012022399A1 Self-repairing cements |
| 02/23/2012 | WO2012022364A1 Compositions and methods for well completions |
| 02/23/2012 | WO2011133627A3 Multifunctional particles for downhole formation treatments |
| 02/23/2012 | US20120043086 Zero-Leakoff Emulsified Acid |
| 02/23/2012 | US20120043085 Wellbore service fluid and methods of use |
| 02/23/2012 | CA2808213A1 Self-repairing cements |
| 02/23/2012 | CA2808203A1 Compositions and methods for well completions |
| 02/22/2012 | EP2419549A1 Corrosion inhibitor compositions comprising the reaction product formed from an aldehyde with a thiol and/or an amine functionalized ring structure and associated methods |
| 02/22/2012 | EP2419488A1 Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
| 02/22/2012 | EP2419487A1 Fluid for deep offshore drilling |
| 02/22/2012 | EP1786879B1 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |
| 02/22/2012 | CN1985067B 控制颗粒的方法和涂布地下岩层的一部分表面的方法以及控制碎屑颗粒的处理流体 And a method of controlling the particle surface of the coated portion of the subterranean formation, and control of the treatment fluid detrital |
| 02/22/2012 | CN102361952A Fluid loss additive and breaking agent |
| 02/22/2012 | CN102358835A Method for preparing crosslinking agent for oil field |
| 02/22/2012 | CN102358834A Solid descaling acid rod for oil well |
| 02/22/2012 | CN102358833A Paraffin removing and resisting agent for oil well |
| 02/22/2012 | CN102358771A Temperature resistant, non-crosslinked and biodegradable gel leak-stopping agent and preparation method thereof |
| 02/22/2012 | CN101875838B 一种油溶性降粘剂及其制备方法 An oil-soluble reducing agent and its preparation method |
| 02/21/2012 | US8119576 Ceramic coated particulates |
| 02/21/2012 | US8119575 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
| 02/21/2012 | US8119574 High solids content slurries and methods |
| 02/21/2012 | US8119573 Corrosion inhibitors |
| 02/21/2012 | CA2631000C Apparatus, compositions, and methods of breaking fracturing fluids |
| 02/21/2012 | CA2629765C Delayed hydrocarbon gel crosslinkers and methods for making and using same |
| 02/21/2012 | CA2569770C Water reductions in subterranean formations |
| 02/16/2012 | WO2012021473A1 Erosion migration arrangement, erodable member and method of migrating a slurry flow path |
| 02/16/2012 | WO2012021373A1 Controlled release material |
| 02/16/2012 | WO2012021260A1 Well servicing fluid |
| 02/16/2012 | WO2012021255A1 Use of hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids |
| 02/16/2012 | WO2012021213A1 Delayed gelling agents |
| 02/16/2012 | WO2012020032A1 Permeable fracturing material |
| 02/16/2012 | WO2011161573A3 Gelled foam compositions and methods |
| 02/16/2012 | WO2011141875A3 Method and system for treating a subterranean formation |
| 02/16/2012 | US20120041040 Functionalized 4- and 5-vinyl substituted regioisomers of 1, 2, 3-triazoles via 1, 3-dipolar cycloaddition and polymers thereof |
| 02/16/2012 | US20120040873 Glycerol based drilling fluids |
| 02/16/2012 | US20120040439 Use of Prokaryote Viruses to Remediate Bio-Fouling |
| 02/16/2012 | US20120037364 Delayed gelling agents |
| 02/16/2012 | CA2806587A1 Nonionic hydrophobically substituted cellulose ethers |
| 02/16/2012 | CA2805615A1 Well servicing fluid |
| 02/16/2012 | CA2805139A1 Use of hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids |
| 02/16/2012 | CA2802799A1 Delayed gelling agents |
| 02/15/2012 | EP2418263A1 Swellable elastomer for water shut off in gravel pack |
| 02/15/2012 | EP2417213A1 Compositions and methods for servicing subterranean wells |
| 02/15/2012 | EP2417212A1 Viscoelastic surfactants and methods of making and using same |
| 02/15/2012 | EP2417079A1 Settable compositions comprising a natural pozzolan and associated methods |
| 02/15/2012 | EP2227499B1 Graft copolymer as a gas hydrate inhibitor |
| 02/15/2012 | EP2052051B1 Subterranean treatment fluids, friction reducing copolymers, and associated methods |