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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02/10/2011 | US20110034353 Method of Preparing a Nanoparticulate Iron - Crown Ether Complex |
02/10/2011 | US20110034352 Rheology modifier for polymer fluids |
02/10/2011 | US20110034351 Hydrophobically and Cationically Modified Relative Permeability Modifiers and Associated Methods |
02/10/2011 | US20110033558 Polymers produced by using sulphur compounds in the form of transfer agents for controlled radical polymerisation of acrylic acid and the use thereof |
02/10/2011 | US20110031024 Treated with quaternary ammonium surfactants having at least two amide linkages; preventing marine environment and groundwater contamination |
02/10/2011 | US20110030961 Treatment of Fluids that Increase in Viscosity at or Above a Threshold Temperature and Methods of Formulating and Using Such Fluids |
02/10/2011 | US20110030959 Aqueous Solution For Managing Microbes In Oil And Gas Production And Method For Their Production |
02/10/2011 | US20110030956 Altering the interface of hydrocarbon-coated surfaces |
02/10/2011 | US20110030953 Gelled liquid hydrocarbon treatment fluids and their associated methods of use |
02/10/2011 | US20110030587 Agglomerated particulate lignosulfonate |
02/09/2011 | CN101970602A Method and composition for enhanced hydrocarbons recovery |
02/09/2011 | CN101970601A Method and composition for enhanced hydrocarbons recovery |
02/09/2011 | CN101970600A Method and composition for enhanced hydrocarbons recovery |
02/09/2011 | CN101970599A Method and composition for enhanced hydrocarbons recovery |
02/09/2011 | CN101970598A Treatment fluids comprising clarified xanthan and associated methods |
02/09/2011 | CN101967372A Water-based well drilling viscosity reducer and synthesis method thereof |
02/09/2011 | CN101967371A High temperature resistant oil well cement retarder and preparation method thereof |
02/09/2011 | CN101967370A Packing fluid for branch well drilling |
02/09/2011 | CN101967369A Comb-like polymer fluid loss additive for drilling fluid and preparation method thereof |
02/09/2011 | CN101280181B Surfactant composition and use thereof |
02/09/2011 | CN101280180B Surfactant composition and use thereof |
02/09/2011 | CN101280179B Surfactant composition and use thereof |
02/09/2011 | CN101220733B Foam pre-evolution liquid device |
02/08/2011 | US7884057 Quaternary ammonium compounds with two cationic sites connected through a linker; hydraulic fluids, demulsifiers, foamers, organoclays, thickeners, biocides, and oil field fluids. |
02/08/2011 | US7884056 star block polymers comprising core and macromolecular branches; for controlling formation of viscoelastic gels |
02/08/2011 | US7884055 Ceramic microspheres for cementing applications |
02/08/2011 | CA2609295C Methods of treating surfaces in subterranean formations |
02/08/2011 | CA2556068C Delayed tackifying compositions and associated methods involving controlling particulate migration |
02/08/2011 | CA2416562C A cementing composition including a dispersant agent for cementing operation in oil wells |
02/03/2011 | WO2011014666A1 Method to control driving fluid breakthrough during production of hydrocarbons from a subterranean reservoir |
02/03/2011 | WO2011014653A2 Methods for thickening hydrophobic liquids with amphiphilic esters |
02/03/2011 | WO2011014057A1 A method and system for removing organic deposits |
02/03/2011 | WO2011013025A1 Microemulsion to improve shale gas production by controlling water imbibition |
02/03/2011 | WO2011012922A1 Compositions and methods for servicing subterranean wells |
02/03/2011 | WO2011012921A1 Compositions and methods for servicing subterranean wells |
02/03/2011 | WO2011012861A1 Methods of fluid loss control and fluid diversion in subterranean formations |
02/03/2011 | WO2011012164A1 Method of fracturing subterranean formations |
02/03/2011 | WO2011011878A1 Drilling fluid additive comprising an oil and multiple guar compounds |
02/03/2011 | WO2010126925A3 Wellbore fluids employing sacrificial viscosifiers |
02/03/2011 | US20110028594 Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use |
02/03/2011 | US20110028593 Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use |
02/03/2011 | US20110028360 Organic corrosion inhibitor package for organic acids |
02/03/2011 | US20110028359 Method and composition for enhanced hydrocarbons recovery |
02/03/2011 | US20110028358 Methods of Fluid Loss Control and Fluid Diversion in Subterranean Formations |
02/03/2011 | US20110028357 System, method and apparatus for enhancing wellbore treatment fluid flexibility |
02/03/2011 | US20110028356 Annular fluids and method of emplacing the same |
02/03/2011 | US20110028355 Non-estrogenic alkylphenol derivatives |
02/03/2011 | US20110028354 Method of Stimulating Subterranean Formation Using Low pH Fluid Containing a Glycinate Salt |
02/03/2011 | US20110024129 Powder coated proppant and method of making the same |
02/03/2011 | US20110024128 Enhancing Emulsion Stability |
02/03/2011 | US20110024114 Cement composition comprising mixture of organic and inorganic fibres for curing severe losses especially in the reservoir section |
02/03/2011 | US20110024113 Visco-elastic surfactant spacers |
02/03/2011 | CA2801699A1 Methods for thickening hydrophobic liquids with amphiphilic esters |
02/03/2011 | CA2769173A1 Microemulsion to improve shale gas production by controlling water imbibition |
02/03/2011 | CA2769009A1 Compositions and methods for servicing subterranean wells |
02/03/2011 | CA2768936A1 Method to control driving fluid breakthrough during production of hydrocarbons from a subterranean reservoir |
02/02/2011 | EP2280051A1 Secondary emulsifiers for inverted emulsion fluids and methods for making an using same |
02/02/2011 | CN101962531A Multi-functional poly-inorganic salt flooding synergist for tertiary oil recovery and production method thereof |
02/02/2011 | CN101962530A Oil and gas field region well-prospecting and well-cementing cement secondary slurry process |
02/02/2011 | CN101962421A Method for preparing cationic viscosity reducer |
02/02/2011 | CN101230257B Method for preparation of lignite resin drilling fluid loss additive |
02/02/2011 | CN101220264B Method of producing acidic crosslinking agent for CO2 foam compression fracture |
02/02/2011 | CN101182410B Oil field inhibitor |
02/01/2011 | US7879965 Gypsum wallboard |
02/01/2011 | US7879771 Non-flammable, non-aqueous group IVB metal alkoxide crosslinkers and fracturing fluid compositions incorporating same |
02/01/2011 | US7879770 Oil field treatment; subterranean |
02/01/2011 | US7879769 Quaternary ammonium compounds with two cationic sites connected through a linker; hydraulic fluids, demulsifiers, foamers, organoclays, thickeners, biocides, and oil field fluids. |
02/01/2011 | US7879768 Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof |
02/01/2011 | US7879767 A gelled aqueous viscoelastic treating fluid of an aqueous base fluid, a non-ionic amine oxide viscoelastic surfactant gelling agent; and the aqueous viscoelastic treating fluid additive soluble in the fluid and consisting of polyamines, polyvinyl alcohols, and/or polycaprolactams; fracturing oil wells |
01/27/2011 | WO2011011284A1 Single-well diagnostics and increased oil recovery by oil injection and sequential waterflooding |
01/27/2011 | WO2010099055A3 Peracid oil-field viscosity breaker and method |
01/27/2011 | US20110021389 Method and composition for enhanced hydrocarbons recovery |
01/27/2011 | US20110021388 Microemulsifiers and methods of making and using same |
01/27/2011 | US20110021387 Reversible gelling system and method using same during well treatments |
01/27/2011 | US20110021386 Microemulsion to improve shale gas production by controlling water imbibition |
01/27/2011 | US20110021385 Secondary emulsifiers for inverted emulsion fluids and methods for making and using same |
01/27/2011 | US20110021384 Drilling fluid additive and methods of stabilizing kaolinite fines migration |
01/27/2011 | US20110017462 Method and composition for enhanced hydrocarbons recovery |
01/27/2011 | US20110017457 Environmental compositions and methods for well treatment |
01/27/2011 | US20110017452 Spacer Fluids Containing Cement Kiln Dust and Methods of Use |
01/27/2011 | CA2768572A1 Single-well diagnostics and increased oil recovery by oil injection and sequential waterflooding |
01/26/2011 | EP2276906A2 Swellable compositions for borehole applications |
01/26/2011 | CN101959993A Method and composition for enhanced hydrocarbons recovery |
01/26/2011 | CN101959992A Systems and methods for producing oil and/or gas |
01/26/2011 | CN101955770A Main acid for oil well drilling and multi-hydrogen acid acidulating system with main acid |
01/26/2011 | CN101955769A Method for preparing surface active agent for tertiary oil recovery |
01/26/2011 | CN101955768A Surfactant used for displacement of reservoir oil, preparation method and application thereof in tertiary oil recovery |
01/26/2011 | CN101955767A Gemini surfactant for tertiary oil recovery chemical oil-displacing agent and preparation method thereof |
01/26/2011 | CN101955766A Sulphur removal corrosion inhibitor and preparation method thereof |
01/26/2011 | CN101955765A Flushing fluid for oil well lined with oil tube |
01/26/2011 | CN101955764A Clay-free drilling fluid filter cake removing system |
01/26/2011 | CN101955763A High pressure-resistant leak stoppage agent and leak stoppage slurry containing same |
01/26/2011 | CN101955762A Well-drilling completion fluid composition for reservoir protection of petroleum engineering and preparation method thereof |
01/26/2011 | CN101955761A Imitated oil base high-density drilling fluid |
01/26/2011 | CN101955760A Solid phase-free drilling fluid |
01/26/2011 | CN101955759A Method for preparing high-temperature resistant silicon diluting agent |
01/26/2011 | CN101955758A Method for preparing high-temperature resistant and salt resistant shear strength-improving agent for drilling fluid |
01/26/2011 | CN101955757A Hydrolyzed polyacrylonitrile-compound ammonium salt for drilling fluid |
01/26/2011 | CN101955584A Preparation method of alkanolamide polyoxyethylene ether and application thereof |
01/26/2011 | CN101955565A Method for preparing high temperature-resistant and salt resistant fluid loss agent for drilling fluid |