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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12/04/2013 | CN102533242B Rapid viscosity breaker for surfactant fracturing fluid |
12/04/2013 | CN102516964B Low-density and high-strength cement paste |
12/04/2013 | CN102516431B Macromolecule crosslinking agent for acrylamide gel for water shutoff and preparation method thereof |
12/04/2013 | CN102504795B Dual-function explosive pre-crosslinking gel particle for profile control and deep fluid flow diversion |
12/04/2013 | CN102464760B Copolymer having dithio structure-containing annular groups, its preparation method and application |
12/04/2013 | CN102453192B Preparation method of ultrahigh molecular weight sulfonic acid-type polyacrylamide |
12/04/2013 | CN102433107B Low-molecular-weight polymer type filtrate loss reducer for drilling fluid and preparation method for same |
12/04/2013 | CN102399545B Sand-flushing well-cleaning agent for oil well |
12/04/2013 | CN102336862B Preparation method of cationic viscosity depressant |
12/04/2013 | CN102321459B Oil well cement chlorine-free coagulation accelerating early strength agent |
12/04/2013 | CN102277149B Surfactant oil displacement agent for low-permeability oil field |
12/04/2013 | CN102277148B Composition for improving recovery ratio of crude oil and preparation method thereof |
12/04/2013 | CN102220112B Inorganic-organic salt-resisting and high temperature-resisting polymer fluid loss additive for drilling fluid |
12/04/2013 | CN102206484B Acidic water repellent associated matter fracturing fluid |
12/04/2013 | CN101747880B Deep-water low-temperature low-density early-strength cementing slurry for well cementation |
12/04/2013 | CA2817651A1 Drilling fluids useful for limiting tar sand accretion |
12/04/2013 | CA2779190A1 Drilling fluids useful for limiting tar sand accretion |
12/03/2013 | US8598252 Compressible and highly flexible plugging agent |
12/03/2013 | US8598096 Precipitated weighting agents for use in wellbore fluids |
12/03/2013 | US8598094 Methods and compostions for preventing scale and diageneous reactions in subterranean formations |
12/03/2013 | US8598093 Cement compositions comprising latex and a nano-particle |
12/03/2013 | US8598092 Methods of preparing degradable materials and methods of use in subterranean formations |
12/03/2013 | US8598091 Use of seeds as a cement set retarder |
12/03/2013 | US8598090 Invert emulsion based completion and displacement fluid and method of use |
12/03/2013 | US8596361 Proppants and uses thereof |
12/03/2013 | US8596360 Gravel pack carrier fluids |
12/03/2013 | US8596358 Well treatment |
12/03/2013 | US8596356 Method of producing synthesis gas by the underground gasification of coal from a coal seam |
12/03/2013 | CA2748747C Surface-modifying agents for wettability modification |
11/28/2013 | WO2013177336A1 Settable compositions comprising cement kiln dust and rice husk ash and methods of use |
11/28/2013 | WO2013177237A1 The use of oligo-quaternary compositions to increase scale inhibitor lifetime in a subterranean formation |
11/28/2013 | WO2013177162A2 Recovery of hydrocarbons from hydrocarbon-containing materials |
11/28/2013 | WO2013177146A1 Spectral analysis techniques for fluid monitoring |
11/28/2013 | WO2013176990A1 Biomimetic adhesive compositions comprising a phenolic polymer and methods for use thereof |
11/28/2013 | WO2013176977A1 Enhancing the conductivity of propped fractures |
11/28/2013 | WO2013176856A1 Wellbore servicing fluids and methods of making and using same |
11/28/2013 | WO2013176826A1 Degradable polymer and legume particulates for well treatment |
11/28/2013 | WO2013174823A1 Surfactant composition |
11/28/2013 | WO2013174816A1 Surfactant composition |
11/28/2013 | WO2013174679A1 Process for water wetting oil-wet surfaces |
11/28/2013 | US20130317135 Water shut-off system for production and/or injection wells |
11/28/2013 | US20130316936 Volcanic ash-based drilling mud to overcome drilling challenges |
11/28/2013 | US20130312974 Controlling hydrogen sulfide production in oilfield operations |
11/28/2013 | US20130312971 Enhanced hydrocarbon recovery method comprising optimizing the injection of an aqueous conditioning solution |
11/28/2013 | US20130312970 Thickening of fluids |
11/28/2013 | US20130312969 Use of hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids |
11/28/2013 | US20130312968 Subterranean treatment fluid composition and method of treatment |
11/28/2013 | US20130312967 Method for limiting the water or gas coning in an extraction well of a hydrocarbon fluid |
11/28/2013 | US20130312641 Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations |
11/27/2013 | EP2665794A1 Families of scale-inhibitors having different absorption profiles and their application in oilfield |
11/27/2013 | CN103415502A Chelating agent precursors, fluids containing them, and their use |
11/27/2013 | CN103410486A Three-in-one composite profile control and displacement process used for oilfield deep profile control |
11/27/2013 | CN103410474A Corrosion control method for annular space tubing and casings of oil field water injection well |
11/27/2013 | CN103410473A Three-in-one depression and augmented injection technology |
11/27/2013 | CN103409131A Swelled-clay shrinking agent for plug removal, and preparation method and application thereof |
11/27/2013 | CN103409130A Multi-component acid pressure temporary plugging additive and preparation method thereof |
11/27/2013 | CN103409129A organic amine acidizing corrosion inhibitor used for well drilling and preparation method thereof |
11/27/2013 | CN103409128A Clean fracturing fluid with liquid thickening agent and preparation method thereof |
11/27/2013 | CN103409127A Filtrate reducer and preparation method thereof |
11/27/2013 | CN103409126A Betaine surfactant system improved by segmented copolymer and application of betaine surfactant system |
11/27/2013 | CN103409125A Water-soluble quadripolymer oil-displacing agent and synthesis method thereof |
11/27/2013 | CN103409124A Improved betaine surfactant composition system and application thereof |
11/27/2013 | CN103409123A Application of glycine betaine surface active agent system in chemical oil displacement |
11/27/2013 | CN103409122A Water-soluble corrosion inhibitor for resisting hydrogen sulfide |
11/27/2013 | CN103409121A Water-soluble temporary plugging diversion agent for fracturing and preparation method thereof |
11/27/2013 | CN103409120A Polymer nano intercalation composite plugging agent as well as preparation method and application thereof |
11/27/2013 | CN103409119A Degradable quick plugging agent |
11/27/2013 | CN103409118A Synthetic method of water-base drilling fluid ultra-temperature stabilizing agent |
11/27/2013 | CN103408881A Organic/inorganic composite colloidal dispersion gel and preparation method thereof |
11/27/2013 | CN103408721A High polymer chemistry coal and rock mass reinforcer for coal mines |
11/27/2013 | CN103408703A Liquid polymeric microspheres and synthetic method thereof |
11/27/2013 | CN103408469A Preparation method and application of novel polymeric surfactant |
11/27/2013 | CN102690639B Outside casing channeling-blocking agent |
11/27/2013 | CN102660249B Oil-in-water type crude oil emulsification viscosity reducer and preparation method thereof |
11/27/2013 | CN102604614B Anti-flow cementing slurry for well cementation |
11/27/2013 | CN102585783B High temperature and salt resistant polymer fluid loss additive for drilling fluid and preparation method of high temperature and salt resistant polymer fluid loss additive |
11/27/2013 | CN102432751B High-temperature colloid protecting anticaving fluid loss additive for drilling fluid and preparation method thereof |
11/27/2013 | CN102329606B Cross-linking agent for carboxymethyl guar gum acidic fracturing fluid and preparation method thereof |
11/27/2013 | CN102203210B Method of reducing viscosity of hydrocarbon fluids |
11/27/2013 | CN101805418B Process for making improved aliphatic dicarboxylic acid copolymers |
11/27/2013 | CN101585775B Clay stabilizer, preparing method and application thereof |
11/26/2013 | US8592541 Gypsum wallboard |
11/26/2013 | US8592354 Water based completion and displacement fluid and method of use |
11/26/2013 | US8592353 Methods useful for diverting aqueous fluids in subterranean operations |
11/26/2013 | US8592352 Cement compositions comprising particulate foamed elastomers and associated methods |
11/26/2013 | US8592351 Enhancing emulsion stability |
11/26/2013 | US8592350 Surfactant additives used to retain producibility while drilling |
11/26/2013 | US8592349 Method to prevent salt crystal agglomeration and settling in a drilling fluid |
11/26/2013 | CA2686508C Process and process line for the preparation of hydraulic fracturing fluid |
11/21/2013 | WO2013173564A1 Methods for stabilizing water-sensitive clays |
11/21/2013 | WO2013173236A1 Compositions and methods for hydraulic fracturing of natural gas and oil |
11/21/2013 | WO2013173233A1 Dendritic surfactants and extended surfactants for drilling fluid formulations |
11/21/2013 | WO2013172997A1 Composition for removing scale deposits |
11/21/2013 | WO2013170492A1 Corrosion inhibitor for composite oil-gas field |
11/21/2013 | WO2013093626A3 Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivatives |
11/21/2013 | US20130310285 Treatment fluid and method |
11/21/2013 | US20130310284 Methods for Stabilizing Water-Sensitive Clays |
11/21/2013 | US20130310283 Curable cross-linkable compositions for use as lost circulation material |
11/21/2013 | US20130310282 Wellbore Servicing Fluids and Methods of Making and Using Same |
11/21/2013 | US20130306323 Composition for Removing Scale Deposits |