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