| 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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| 11/21/2013 | US20130306321 Liquefied industrial gas based solution in hydraulic fracturing |
| 11/21/2013 | US20130306320 Composition and method for treating carbonate reservoirs |
| 11/21/2013 | US20130306306 Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition |
| 11/20/2013 | EP2664639A1 Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same |
| 11/20/2013 | EP2663608A2 Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides |
| 11/20/2013 | EP2663607A1 Particles for use in wellbore fluids |
| 11/20/2013 | EP2663606A1 Nanohybrid-stabilized emulsions and methods of use in oil field applications |
| 11/20/2013 | EP2663293A2 Triggered polymer viscous pill and methods of using the same |
| 11/20/2013 | EP2433999B1 Film coated particles for oil exploitation and oil exploitation method using the same |
| 11/20/2013 | CN103403048A Filamentous polymer particles and use thereof as rheology modifiers |
| 11/20/2013 | CN103397043A Glucanases, nucleic acids encoding same and method for making and using same |
| 11/20/2013 | CN103396785A Anti-swelling and discharge-aiding agent |
| 11/20/2013 | CN103396784A Low-density and high-strength petroleum fracturing proppant prepared from red mud and preparation method thereof |
| 11/20/2013 | CN103396783A Resin mulching film propping agent and preparation method thereof |
| 11/20/2013 | CN103396782A Acidizing anti-swelling agent and preparation method thereof |
| 11/20/2013 | CN103396781A Acidic aqueous solution containing chelating agent and use thereof |
| 11/20/2013 | CN103396780A High temperature resistant delayed organic boron crosslinking agent and its preparation method |
| 11/20/2013 | CN103396779A Thick oil air injection relaxation catalytic oxidation emulsion catalyst and preparation method thereof |
| 11/20/2013 | CN103396778A Water-soluble heat-resistant and salt-tolerant AM/AA/AMPS/NPAB polymer oil displacement agent and its synthesis method |
| 11/20/2013 | CN103396777A Application of chlorine dioxide blocking remover in coal bed modification |
| 11/20/2013 | CN103396776A Self-generating foam blocking removal agent for oil-water well and blocking removal process |
| 11/20/2013 | CN103396775A High temperature resistant toughening retarder |
| 11/20/2013 | CN103396774A Plugging agent and preparation method thereof |
| 11/20/2013 | CN103396773A Dual-component low-molecular-weight monoester ester group ultra-low temperature drilling fluid for polar regions |
| 11/20/2013 | CN103396772A Dual-component amyl butyrate compound type ultra-low temperature drilling fluid for polar regions |
| 11/20/2013 | CN103396771A Degradable drilling fluid based on nano material |
| 11/20/2013 | CN103396770A Multifunctional accessory ingredient of drilling fluid |
| 11/20/2013 | CN103396515A High temperature resistant modified starch filtration reducing agent and preparation method thereof |
| 11/20/2013 | CN103396284A Hydrophobic monomer for synthesizing temperature sensitive polymer oil-displacing agent and preparation method thereof |
| 11/20/2013 | CN102660248B Method for preparing pH-sensitive swellable compound for oil reservoir water shutoff and profile control |
| 11/20/2013 | CN102618237B Polymer clay stabilizer containing Beta-cyclodextrin structure and synthesis method thereof |
| 11/20/2013 | CN102585784B Filtrate reducer for water-based drilling fluid and preparation method of filtrate reducer |
| 11/20/2013 | CN102492411B Alkyl ester sulphonate complex viscosity depressant with hydrogen supply structure and preparation method thereof |
| 11/20/2013 | CN102373037B Novel biological blockage removing solution for well completion, and production method thereof |
| 11/20/2013 | CN101838528B Environment-friendly and bio-available green fracturing fluid system |
| 11/20/2013 | CN101735791B Konjac glucomannan water-base fracturing fluid as well as preparation method and gel breaking method thereof |
| 11/20/2013 | CN101365767B Polycationic viscoelastic compositions |
| 11/19/2013 | US8586512 Cement compositions and methods utilizing nano-clay |
| 11/19/2013 | US8586511 Scale inhibiting well treatment |
| 11/19/2013 | US8586510 Methods and compositions for delaying the release of treatment chemicals |
| 11/19/2013 | US8586509 Pre-coated particulates for preventing scale and diageneous reactions in subterranean formations |
| 11/19/2013 | US8586508 Polysaccharide based cement additives |
| 11/19/2013 | US8586507 Oil based drilling fluids with enhanced stability at high temperatures |
| 11/19/2013 | US8585930 Mono and bis-ester derivatives of pyridinium and quinolinium compounds as environmentally friendly corrosion inhibitors |
| 11/19/2013 | US8585899 Prevention and remediation of petroleum reservoir souring and corrosion by treatment with virulent bacteriophage |
| 11/19/2013 | US8584751 Process for mineral oil production using surfactant mixtures |
| 11/19/2013 | US8584750 Process for tertiary mineral oil production using surfactant mixtures |
| 11/19/2013 | CA2768319C Fines migration control at their sources in water flooding reservoirs |
| 11/19/2013 | CA2724402C Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 11/19/2013 | CA2603960C Method of recycling fracturing fluids using a self-degrading foaming composition |
| 11/17/2013 | CA2777449A1 Liquefied industrial gas based solution in hydraulic fracturing |
| 11/14/2013 | WO2013169402A1 Methods and materials to enhance high temperature rheology in invert emulsions |
| 11/14/2013 | WO2013169103A1 Fracturing fluid for secondary gas production |
| 11/14/2013 | WO2013167646A1 Method for enhanced hydrocarbon recovery |
| 11/14/2013 | WO2013119343A3 A treatment fluid containing a corrosion inhibitor of a weak base |
| 11/14/2013 | WO2012143433A8 Method and composition for enhanced hydrocarbon recovery |
| 11/14/2013 | US20130303412 Viscosified Fluid Loss Control Agent Utilizing Chelates |
| 11/14/2013 | US20130303411 Methods and Materials to Enhance High Temperature Rheology in Invert Emulsions |
| 11/14/2013 | US20130303410 Invert Emulsion Drilling Fluids for Flat Rheology Drilling |
| 11/14/2013 | US20130299171 Oil and gas well cement systems using elemental sulfur |
| 11/14/2013 | US20130299168 Zero-leakoff gel |
| 11/13/2013 | CN103391983A Methods for cementing in a subterranean formation using a cement composition containing calcium silicate hydrate seeds |
| 11/13/2013 | CN103387828A Method for dispersing nanometer materials in clean fracturing fluid |
| 11/13/2013 | CN103387827A Nano-material associated clean fracturing fluid system and application thereof in oil and gas fields |
| 11/13/2013 | CN103387826A Perforation liquid |
| 11/13/2013 | CN103387825A Branch well bay wall solidifying liquid and preparation method thereof |
| 11/13/2013 | CN103387824A Method for preparing plugging agent for well drilling |
| 11/13/2013 | CN103387823A Shear-thickening water-blocking profile control agent, preparation method thereof and application thereof in an oil field |
| 11/13/2013 | CN103387822A Low-fluorescence oil-base pipe-freeing agent and preparation method thereof |
| 11/13/2013 | CN103387740A Hollow plastic spheres, and preparation method and application thereof |
| 11/13/2013 | CN103387717A Organic/inorganic composite hollow microspheres, and preparation method and application thereof |
| 11/13/2013 | CN103387691A Hollow polystyrene plastic spheres, and preparation method and application thereof |
| 11/13/2013 | CN103387681A Preparation method and application of polystyrene plastic pellet |
| 11/13/2013 | CN103387640A Method for preparing oil-well cement dispersing agent |
| 11/13/2013 | CN103387639A Fluid gel for generating seal valve plugging air layers by virtue of formation temperature |
| 11/13/2013 | CN103387625A Preparation method and application of polystyrene hollow microspheres |
| 11/13/2013 | CN102690642B Ternary complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof |
| 11/13/2013 | CN102676137B Crude oil emulsifier for water shutoff of oil well and preparation method and application of crude oil emulsifier |
| 11/13/2013 | CN102633981B Preparation method of plugging material of coal mine gas drainage drilling hole |
| 11/13/2013 | CN102627955B High-temperature O2/CO2 corrosion inhibitor for coiled tubing and preparation method of agent B of high-temperature O2/CO2 corrosion inhibitor |
| 11/13/2013 | CN102618244B Betaine surfactant and preparation method and application thereof |
| 11/13/2013 | CN102618238B Novel technology for quickly melting solidified oil |
| 11/13/2013 | CN102504796B Flow modifier for high-solidifying-point high-viscosity crude oil |
| 11/13/2013 | CN102482566B Improved enhanced oil recovery surfactant composition and method of making the same |
| 11/13/2013 | CN102410022B Method for protecting fissured carbonate reservoir |
| 11/13/2013 | CN102321458B Isolating liquid for front acid sand fracturing and preparation method thereof |
| 11/13/2013 | CN102304353B Environmental-friendly type oil-based drilling fluid and preparation method thereof |
| 11/13/2013 | CN102295918B Natural carboxylate-polymer microballoon binary composite control system, and preparation and application thereof |
| 11/12/2013 | US8580715 Fluorinated cationic surfactant |
| 11/12/2013 | US8579029 System, method and treatment fluid for controlling fines migration |
| 11/12/2013 | CA2746567C In-situ solidification of invert emulsion fluids to form gas tight annular barrier |
| 11/12/2013 | CA2674115C Polysaccharide treatment fluid and method of treating a subterranean formation |
| 11/07/2013 | WO2013166128A1 Particulates having hydrophobic and oleophobic surfaces and methods relating thereto |
| 11/07/2013 | WO2013165728A1 Rheology modifiers |
| 11/07/2013 | WO2013165717A1 Biodegradable activators to gel silica sol for blocking permeability |
| 11/07/2013 | WO2013109468A3 Compositions useful for the hydrolysis of guar in high ph environments and methods related thereto |
| 11/07/2013 | WO2012174527A9 Composition of polybutadiene-based formula for downhole applications |
| 11/07/2013 | US20130296201 Method and composition for enhanced hydrocarbons recovery |
| 11/07/2013 | US20130296200 Composition based on geminals zwitterionics liquids as wettability modifiers in enhanced oil recovery processes |
| 11/07/2013 | US20130296199 Drilling lost circulation material |