Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
03/2012
03/21/2012EP1664235B1 Subterranean fluids and methods of using these fluids in subterranean formations
03/21/2012EP1171543B1 Fluids and techniques for hydrocarbon well completion
03/21/2012CN1890346B Carbon dioxide foamed fluids
03/21/2012CN102387854A Water in oil emulsion, method for the production thereof
03/21/2012CN102383763A Bio-enzyme unblocking process for stratum blocking without inorganic scale
03/21/2012CN102382638A Application of pyridine compound for preparing acidization corrosion inhibitors
03/21/2012CN102382637A Water base-carried inactive nitric acid powder and production method thereof
03/21/2012CN102382636A Method for stabilizing displacing fluid viscosity
03/21/2012CN102382635A Viscosity reducer for gathering and transferring of single pipes and preparation method thereof
03/21/2012CN102382634A Composite viscosity stabilizing agent for polymer flooding
03/21/2012CN102382633A Silicate grout for deep water
03/21/2012CN102382632A Pretreating agent preventing leaking stoppage from being diluted by formation water and preparation method and application thereof
03/21/2012CN102382331A Solid high-temperature retarding agent for oil-well cement and preparation method thereof
03/21/2012CN102382327A Cyclodextrin modified hindered phenol derivative stabilizing agent and preparation method thereof
03/21/2012CN102382270A Oil well cement slurry drag reducer and preparation method thereof
03/21/2012CN102382245A High temperature-resistant polymer filtrate reducer for drilling fluid and preparation method thereof
03/21/2012CN102382244A Gelation-delayed in-situ polymerized water shutoff gel for high-temperature reservoirs
03/21/2012CN102382243A Amphiphilic polymer and application
03/21/2012CN102382242A Amphiphilic polymer and application thereof
03/21/2012CN102382241A Long-branched chain polyacrylamide copolymer and preparation method thereof
03/21/2012CN102380422A Heavy oil aquathermolytic catalyst and preparation method thereof
03/21/2012CN102093880B Water control agent for oil well and preparation method thereof
03/21/2012CN101580705B Foaming agent with low gas liquid ratio foam for common heavy oil reservoir and injection method thereof
03/21/2012CN101487384B Method for oil well water-shutoff by utilizing scleroglucan fermentation liquor
03/20/2012US8138129 Scale inhibiting particulates and methods of using scale inhibiting particulates
03/20/2012US8138128 Radiation-induced thickening for set-on-command sealant compositions
03/20/2012US8138127 Compositions and methods for treating a water blocked well using a nonionic fluorinated surfactant
03/20/2012US8138126 Compositions and methods for water control and strengthening unconsolidated formations
03/20/2012US8138125 Equivalent circulating density control in deep water drilling
03/20/2012US8138124 Drilling fluid with circulation loss reducing additive package
03/20/2012US8136596 Methods of using water-superabsorbent polymers to reduce heat transfer
03/20/2012CA2753912C Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same
03/20/2012CA2599107C Methods of cementing with lightweight cement compositions
03/20/2012CA2565332C Methods for controlling particulate migration
03/20/2012CA2526417C Method of delaying the setting time of crosslinked lost circulation control pills
03/20/2012CA2524977C Self adaptive cement systems
03/20/2012CA2524514C Self adaptive cement systems
03/17/2012CA2752295A1 A defoamer formulation and methods for making and using same
03/17/2012CA2752264A1 Environmentally friendly base fluids and methods for making and using same
03/17/2012CA2752261A1 Complementary surfactant compositions and methods for making and using same
03/15/2012WO2011159919A3 In situ methanogenesis modeling and risk analysis
03/15/2012US20120065108 Fluorinated polymeric microparticles and uses thereof as fluid reducing additives
03/15/2012US20120064252 Cyclohexane oxidation process byproduct derivatives and methods for using the same
03/15/2012US20120061086 Method of Preparing Polymer-Water Emulsion and Further Settling a Sticky Polymer Material In Downhole Environment
03/15/2012US20120061083 Wellbore fluid and methods of treating an earthen formation
03/15/2012US20120061082 Sealing of thief zones
03/14/2012EP2427631A2 Gravel pack carrier fluids
03/14/2012EP2427530A1 Methods of consolidating particulates using a hardenable resin and an organosilane coupling agent
03/14/2012EP2427327A1 Methods for making and using uv/eb cured precured particles for use as proppants
03/14/2012CN102373913A High-efficiency anti-magnesium ion oil displacement method
03/14/2012CN102373054A Visco-elastic surfactant acidizing liquid
03/14/2012CN102373053A Foaming agent composition and purpose thereof
03/14/2012CN102373052A Binary composite oil displacement agent for tertiary oil recovery and preparation method thereof
03/14/2012CN102373051A Binary composite oil displacement agent and preparation method thereof
03/14/2012CN102373050A Composition for improving recovery ratio of tertiary oil recovery and preparation method thereof
03/14/2012CN102373049A Oil displacement method used for improving recovery efficiency of tertiary oil recovery
03/14/2012CN102373048A Oil removal method for improving recovery rate of tertiary oil recovery of oil field
03/14/2012CN102373047A Composition for improving recovery rate of oil field and preparation method thereof
03/14/2012CN102373046A High efficiency anti-magnesium ions oil displacement agent and its preparation method
03/14/2012CN102373045A Seawater-based oil displacement agent and preparation method thereof
03/14/2012CN102373044A Oil displacement method suitable for MgCl2 water-type oil displacement agent
03/14/2012CN102373043A Displacement agent suitable for MgCl2 injection water and preparation method thereof
03/14/2012CN102373042A Foaming agent composition used for high temperature and high salt oil reservoir
03/14/2012CN102373041A Oil displacement method by use of seawater base oil displacement agent
03/14/2012CN102373040A Composition suitable for seawater-based oil displacement and its preparation method
03/14/2012CN102373039A Oil displacement method suitable for seawater base
03/14/2012CN102373038A Biological enzyme oil displacement agent
03/14/2012CN102373037A Novel biological blockage removing solution for well completion, and production method thereof
03/14/2012CN102373036A Gas self-production agent, use of the gas self-production agent, and self-produced gas foam acidizing method for oil wells and water wells
03/14/2012CN102373035A Preparation method of flaky, granular and powdery phenol used for profile control and water shutoff
03/14/2012CN102373034A Novel drilling fluid for low permeability gas reservoir and production method thereof
03/14/2012CN102372820A Long branched chain polymer used for tertiary oil recovery and synthesis method thereof
03/14/2012CN102372819A Long branched chain polymer used for oil displacement and synthesis method thereof
03/14/2012CN102372818A Temperature and salt resistant copolymer for oil field and preparation method thereof
03/14/2012CN102372807A Preparation method of heat-resistance and salt-tolerance anionic polyacrylamide for oil displacement
03/14/2012CN102372806A Initiator composition used for synthesizing polyacrylamide capable of displacing oil
03/14/2012CN102372658A Fatty alcohol-polyoxyethylene ether benzene sulfonate and preparation method thereof
03/14/2012CN102372648A Polymerizable functional monomer and synthesis method thereof
03/14/2012CN102372647A Free radical polymerization functional monomer and synthesis method thereof
03/14/2012CN101649193B Compressible highly flexible plugging agent
03/14/2012CN101500951B Method of scale inhibition
03/13/2012CA2666941C Hydrocarbon recovery using fluids
03/13/2012CA2651156C Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same
03/13/2012CA2614114C Methods for preventing proppant carryover from fractures, and gravel-packed filter
03/13/2012CA2550382C Recycling hydrocarbon hydraulic stimulation fluid
03/08/2012WO2012028844A1 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes
03/08/2012WO2012006483A3 A method for pre-treatment of subterranean sites adjacent to water injection wells
03/08/2012WO2011161569A3 Composition and methods for oilfield application
03/08/2012US20120058922 Novel formulations of water-soluble polymers and stabilizing additives for injecting a single compound useable in injection fluids for chemical enhanced oil recovery
03/08/2012US20120058921 Process for producing a purified synthesis gas stream
03/08/2012US20120055676 Fluid Loss Control in Viscoelastic Surfactant Fracturing Fluids Using Water Soluble Polymers
03/08/2012US20120055673 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes
03/08/2012US20120055670 Method of fracturing using mannanohydrolase enzyme breaker
03/08/2012US20120055668 Solvents and compositions for treating hydrocarbon-bearing formations
03/08/2012CA2807559A1 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes
03/07/2012EP2424952A1 Viscoelastic composition with improved viscosity
03/07/2012EP2424951A1 Compositions and methods for servicing subterranean wells
03/07/2012CN102369254A Method for blocking subterranean formations
03/07/2012CN102367462A Method for preparing micromolecular guar gum for fracturing through enzymatic degradation
03/07/2012CN102367380A Fracturing fluid which resists temperature of 200 DEG C
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