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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11/03/2010 | EP2245114A1 Binders for binding beds and loose formations and processes for producing them |
11/03/2010 | EP2245108A1 Improved aqueous-based wellbore fluids |
11/03/2010 | EP2245107A2 Methods for preventing or remediating xanthan deposition |
11/03/2010 | EP2245106A1 Extended settable compositions comprising cement kiln dust and associated methods |
11/03/2010 | EP2245105A2 Viscoelastic surfactant based wellbore fluids and methods of use |
11/03/2010 | EP2245104A2 Graphene compositons and drilling fluids derived therefrom |
11/03/2010 | EP2245087A1 Latex binders, aqueous coatings and paints having freeze-thaw stability and methods for using same |
11/03/2010 | EP2118156B1 Process and polymer for preventing ba/sr scale with incorporated detectable phosphorus functionality |
11/03/2010 | EP1740795B1 Multizone stimulation using wax balls |
11/03/2010 | CN201620864U Production equipment for manufacturing quartz fracturing sand specially used for oil field |
11/03/2010 | CN1993430B Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations. |
11/03/2010 | CN101875841A Resistance reducing acid used for transformation of ultra-deep well |
11/03/2010 | CN101875840A Mud ball forming agent and synthesis method thereof |
11/03/2010 | CN101875839A Multifunctional preparation for controlling biological corrosion and blockage of oilfield production system |
11/03/2010 | CN101875838A Oil-soluble viscosity reducer and preparation method thereof |
11/03/2010 | CN101481604B Gel foam selective water blockoff agent and use thereof |
11/02/2010 | US7825075 Reducing fluid leakoff during a fracturing operation by injection into a well bore a viscoelastic surfactant gelling agent and pyroelectric particles, piezoelctric particles and mixtures which under pressure and heating increase gelation to provide a high viscosity fluid for cracking |
11/02/2010 | US7825073 as gelling agent, viscosifier; for use in industrial, oilfield, geothermal, coal, coal bed methane, and/or subterranean operations |
11/02/2010 | US7825072 comprises nonionic low molecular weight polyacrylamide and high molecular weight polyacrylamide, long chain alcohol or amine or silicate shale inhibitor, anionic cellulose; for subterranean formations, stabilizing well bores |
11/02/2010 | US7825071 wellbore fluid that includes oleaginous continuous phase (diesel oil, mineral oil, synthetic oil), non-oleaginous phase (fresh water, sea water, brines), and modified polyesteramide surfactant, crosslinked by epoxidized oil, forming invert emulsion; for drilling subterranean formations |
11/02/2010 | US7825053 Sintered spherical pellets |
11/02/2010 | CA2497276C Method of treating subterranean formations with porous ceramic particulate materials |
10/28/2010 | WO2010123963A2 Utilizing electromagnetic radiation to activate filtercake breakers downhole |
10/28/2010 | WO2010122302A1 Method for enhancing stability of oil based drilling fluids at high temperatures |
10/28/2010 | WO2010122278A1 Methods and composition relating to the chemical degradation of degradable polymers |
10/28/2010 | WO2010122277A1 Well treatment compositions and methods utilizing nano-particles |
10/28/2010 | US20100273912 Cement Compositions Comprising Latex and a Nano-Particle |
10/28/2010 | US20100273685 Methods and composition relating to the chemical degradation of degradable polymers |
10/28/2010 | US20100273684 Method for enhancing stability of oil based drilling fluids at high temperatures |
10/28/2010 | US20100273683 Compositions having hase rheology modifiers |
10/28/2010 | US20100273682 Well treatment |
10/28/2010 | US20100270221 Portable polymer hydration - conditioning system |
10/28/2010 | US20100270022 Deep Water Completions Fracturing Fluid Compositions |
10/28/2010 | US20100270021 Methods for treating hydrocarbon-bearing formations with fluorinated polymer compositions |
10/28/2010 | US20100270020 Methods for treating hydrocarbon-bearing formations with fluorinated anionic surfactant compositions |
10/28/2010 | US20100270017 Delayed breaker |
10/28/2010 | US20100270016 Compositions and Methods for Servicing Subterranean Wells |
10/28/2010 | CA2758669A1 Well tubular, coating system and method for oilfield applications |
10/28/2010 | CA2758602A1 Method for enhancing stability of oil based drilling fluids at high temperatures |
10/28/2010 | CA2758335A1 Methods and composition relating to the chemical degradation of degradable polymers |
10/28/2010 | CA2758311A1 Well treatment compositions and methods utilizing nano-particles |
10/27/2010 | EP2243810A1 Particulate material having multiple curable coatings and methods for making and using same |
10/27/2010 | EP2242872A1 Corrosion inhibitors having increased biological degradability and minimized toxicity |
10/27/2010 | EP2242818A1 Methods for treating hydrocarbon-bearing formations with fluorinated anionic surfactant compositions |
10/27/2010 | EP2242817A1 Method for enhanced recovery of oil from oil reservoirs |
10/27/2010 | EP2242816A1 Method for enhancing oil recovery with an improved oil recovery surfactant |
10/27/2010 | EP2242815A1 Method and composition for enhanced hydrocarbons recovery |
10/27/2010 | EP2242814A2 Surfactants, use of surfactants for crude oil recovery, removal of oil residues and separation of oil sands and oil shales |
10/27/2010 | EP2242813A1 Drilling fluids comprising sub-micron precipitated barite as a component of the weighting agent and associated methods |
10/27/2010 | CN101871341A Method for improving thick oil recovery ratio |
10/27/2010 | CN101870862A Low-density high-strength leak-resistant slurry method for sealing leakage producing formation |
10/27/2010 | CN101870753A Polymer for high-temperature cement retarder and preparation method thereof |
10/27/2010 | CN101870752A Polymer for high-temperature cement retarder and preparation method thereof |
10/27/2010 | CN101870750A Comb copolymer, preparation method and application thereof |
10/27/2010 | CN101284893B Comb-typed amphiphilic water-soluble co-polymer, method for preparing same and use |
10/26/2010 | CA2649056C Viscosity reduction of viscoelastic surfactant based fluids |
10/26/2010 | CA2603744C Water based completion and displacement fluid and method of use |
10/26/2010 | CA2469988C Carbon dioxide foamed fluids |
10/26/2010 | CA2406804C A method for sequestering a fluid within a hydrocarbon containing formation |
10/26/2010 | CA2289408C Corrosion inhibitor compositions |
10/21/2010 | WO2010121027A2 Lubricant for water-based muds and methods of use thereof |
10/21/2010 | WO2010120833A1 Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
10/21/2010 | WO2010119413A1 Fluid for deep offshore drilling |
10/21/2010 | WO2010119235A1 Corrosion inhibitor compositions comprising the reaction product formed from an aldehyde with a thiol and/or an amine functionalized ring structure and associated methods |
10/21/2010 | WO2010078524A3 Ceramic article and process for making the same |
10/21/2010 | WO2008151331A8 Use of nano-sized clay minerals in viscoelastic surfactant fluids |
10/21/2010 | US20100267844 Alkylene oxide-capped secondary alcohol alkoxylates useful as surfactants |
10/21/2010 | US20100267594 Nano-encapsulated triggered-release viscosity breakers |
10/21/2010 | US20100267593 Control of particulate entrainment by fluids |
10/21/2010 | US20100267592 Multi-Component Drilling Fluid Additive, and Drilling Fluid System Incorporating the Additive |
10/21/2010 | US20100267591 Subterranean Bridging Agents |
10/21/2010 | US20100266348 Multicomponent composition for filling and/or injecting cracks, flaws and cavities in structures or earth and rock formations |
10/21/2010 | US20100263867 Utilizing electromagnetic radiation to activate filtercake breakers downhole |
10/21/2010 | US20100263865 Proppants and uses thereof |
10/21/2010 | CA2758853A1 Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
10/21/2010 | CA2758778A1 Lubricant for water-based muds and methods of use thereof |
10/21/2010 | CA2758655A1 Fluid for deep offshore drilling |
10/21/2010 | CA2758529A1 System and method for using super critical state carbon dioxide (co2) for hydrocarbon recovery and transport |
10/21/2010 | CA2757709A1 Corrosion inhibitor compositions comprising the reaction product formed from an aldehyde with a thiol and/or an amine functionalized ring structure and associated methods |
10/20/2010 | EP2240552A1 Methods for treating hydrocarbon-bearing formations with fluorinated polymer compositions |
10/20/2010 | EP2240551A1 Method and composition for enhanced hydrocarbons recovery |
10/20/2010 | EP2240550A1 Cleaning agents based on organic amine sulfates for drilling devices |
10/20/2010 | EP2240531A1 Crosslinked glycerol or oligoglycerol esters, and use thereof as an additive in drilling fluids |
10/20/2010 | CN101868514A A novel additive for naphthenic acid corrosion inhibition and method of using the same |
10/20/2010 | CN101868513A Methods and compositions relating to minimizing particulate migration over long intervals |
10/20/2010 | CN101864287A Composite retarded acid |
10/20/2010 | CN101864286A Mother liquor of oil displacement agent and preparation method thereof |
10/20/2010 | CN101864285A Deepwater cementing low-temperature early strength agent |
10/20/2010 | CN101864284A Elm bark powder particles, preparation method for elm bark powder particles, elm bark powder vegetable gum and application of elm bark powder vegetable gum |
10/20/2010 | CN101864283A Water-based drilling fluid composition containing amine compound |
10/20/2010 | CN101864032A Micro emulsion polymer for displacement control of oil deposit deep part with high temperature and mineralization and preparation method |
10/20/2010 | CN101864031A Method for preparing temperature control variable viscosity acid gelating agent by aqueous solution polymerization |
10/20/2010 | CN101864030A Method for preparing temperature-resistant anti-salt amphoteric polymer filtrate reducer |
10/20/2010 | CN101863949A Structural modification type cameclia oleifera saponin and preparation method and application thereof |
10/19/2010 | US7816305 comprises hydrophobic portion and nitrogen-containing functional group capable of reacting with carbon dioxide to form salt, such as alkylated imidazoline; an alkylated guanidine; an alkylated monoethanolamine; an alkylated diethanolamine; gravel packs; shear thinning |
10/19/2010 | US7815731 two highly hydrolyzed polyvinyl alcohol resins having different molecular weights, or a polyvinyl alcohol resin formulation having a broad molecular weight distribution; oil additive; superior performance over a broad range of temperatures; for oil field cementing operations |
10/19/2010 | CA2689806C Self-diverting resin systems for sand consolidation |
10/19/2010 | CA2456767C Biodegradable surfactant for invert emulsion drilling fluid |
10/19/2010 | CA2407125C Method for the production of hydrocarbons and synthesis gas from a hydrocarbon-containing formation |
10/19/2010 | CA2391447C A method for recovering water soluble surfactants |