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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01/26/2011 | CN101955564A Method for preparing high-temperature resistant and salt resistant tackifier for drilling fluid |
01/26/2011 | CN101955450A Petroleum sulfonate composition, preparation method and application thereof |
01/26/2011 | CN101955448A Amide group-containing hydroxysulfobetaine and preparation and application thereof |
01/26/2011 | CN101955441A Preparation method and application of fatty amide polyethylene polyamine amino acid for tertiary oil recovery |
01/26/2011 | CN101550333B Novel complex surface active degradation agent used for releasing the blocking of Polymer/Surfactant flooding |
01/26/2011 | CN101531892B Ultra low temperature super guanidine gum fracturing fluid |
01/26/2011 | CN101508891B Liquid sustained-release acid breaker |
01/26/2011 | CN101402851B Ternary composite block-resistant protection solution for drive injection well |
01/26/2011 | CN101319136B Ahead fluid for gas-liquid conversion artesian well and its use method |
01/26/2011 | CN101094969B Remote delivery of latex drag-reducing agent |
01/25/2011 | US7875575 Compositions and methods for water and gas shut-off in subterranean wells with VES fluids |
01/25/2011 | US7875574 hydraulic fracturing of subterranean formations; particles are elastically flexible or plastically compressible, creating partial monolayer |
01/25/2011 | CA2599977C Use of coated proppant to minimize abrasive erosion in high rate fracturing operations |
01/25/2011 | CA2574498C Water-based drilling fluids comprising carboxymethylated raw cotton linters |
01/25/2011 | CA2566449C System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
01/25/2011 | CA2483839C Thickened acid composition and uses thereof |
01/25/2011 | CA2432442C Hydrophilic polymer concentrates |
01/25/2011 | CA2426911C Tracking of particulate flowback in subterranean wells |
01/21/2011 | CA2709451A1 Environmental compositions and methods for well treatment |
01/20/2011 | WO2011009103A1 Temporary fluid diversion agents for use in geothermal well applications |
01/20/2011 | WO2011008409A2 Fines migration control at their sources in water flooding reservoirs |
01/20/2011 | WO2011007154A1 Stabilization of emulsions containing resinous material for use in the field of oil or gas well treatments |
01/20/2011 | WO2011007132A1 Degradable diverting agents and associated methods |
01/20/2011 | WO2010122302A8 Method for enhancing stability of oil based drilling fluids at high temperatures |
01/20/2011 | WO2010121027A3 Lubricant for water-based muds and methods of use thereof |
01/20/2011 | WO2010111226A3 A composition and method for inhibiting agglomeration of hydrates in pipelines |
01/20/2011 | US20110015301 Mixtures comprising branched oligomeric or polymeric compounds, and preparation and use thereof |
01/20/2011 | US20110015101 Stabilization of emulsions containing resinous material for use in the field of oil or gas well treatments |
01/20/2011 | US20110015100 Method of Treating Subterranean Formations with Carboxylated Guar Derivatives |
01/20/2011 | US20110011645 Crosslinked glycerol or oligoglycerol esters, and use thereof as an additive in drilling fluids |
01/20/2011 | US20110011591 Temporary fluid diversion agents for use in geothermal well applications |
01/20/2011 | US20110011589 Well Service Compositions for Consolidation of Particulates in Subterranean Coal Seams |
01/20/2011 | CA2768319A1 Fines migration control at their sources in water flooding reservoirs |
01/20/2011 | CA2767854A1 Stabilization of emulsions containing resinous material for use in the field of oil or gas well treatments |
01/20/2011 | CA2767427A1 Degradable diverting agents and associated methods |
01/19/2011 | EP2274398A1 Novel surfactants based on branched alcohols for tertiary crude oil recovery |
01/19/2011 | EP2274397A1 Organic corrosion inhibitor package for organic acids |
01/19/2011 | EP2274396A1 Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications |
01/19/2011 | CN101952388A Asphalt dispersers on the basis of phosphonic acids |
01/19/2011 | CN101952387A Additive for cementing boreholes |
01/19/2011 | CN101948786A Pseudomonas aeruginosa for producing rhamnolipid with high yield and application thereof |
01/19/2011 | CN101948684A Novel active water fracturing fluid for fracturing of coal bed gas well |
01/19/2011 | CN101948683A Methylnaphthalene liquid-containing crude oil pour-point and viscosity reducer |
01/19/2011 | CN101948682A Oil well anti-eccentric wearing, corrosion-inhibiting and scale-removing agent with reversed phase accumulation |
01/19/2011 | CN101948681A Drilling circulating fluid conversion preflush and preparation method thereof |
01/19/2011 | CN101948680A Bitumen particle profile control agent and preparation method thereof |
01/19/2011 | CN101948679A Intelligent reservoir drilling completion fluid system and preparation method thereof |
01/19/2011 | CN101948678A Nontoxic potassium formate polyalcohol drilling fluid |
01/19/2011 | CN101948677A Non-fluorescent graphitic lubricant for drilling fluid |
01/19/2011 | CN101164920B Deep treatment and resource regeneration method for oil field extracted waste water |
01/18/2011 | US7871964 Compositions and methods for mitigating or preventing emulsion formation in hydrocarbon bodies |
01/18/2011 | US7871963 surfactant is a carboxylated lignin, such as can be produced by reacting a lignin with an anhydride, such as a succinic anhydride or alkylated succinic anhydride; utility in energy-related applications; may be useful for enhanced oil recovery, for environmental remediation |
01/18/2011 | US7871962 Comprising a continuous phase of oily fluid, a non-oily fluid as the discontinuous phase, an emulifier to stabilize the invert emulsion,a rheology modifier of dimers, trimers and/or tetramers of fatty acids, and a polyamide based on fatty acids/polyethylenepolyamines; high viscosity; low temperatures |
01/13/2011 | WO2011006076A1 Ultra high viscosity pill and methods for use with an oil-based drilling system |
01/13/2011 | WO2011006024A2 Method of reducing the viscosity of hydrocarbon fluids |
01/13/2011 | WO2011005820A1 Compositions and processes for fracturing subterranean formations |
01/13/2011 | WO2011005746A1 Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families |
01/13/2011 | WO2011005672A2 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amphoteric compounds |
01/13/2011 | WO2011005666A2 Methods for treating hydrocarbon-bearing formations with fluorinated acid compositions |
01/13/2011 | WO2011005535A1 Ceramic-polymer composites |
01/13/2011 | WO2011005246A1 Dispersion compositions with nonionic surfactants for use in petroleum recovery |
01/13/2011 | WO2011004163A1 Emulsion stabilizing agents for drilling and completion fluids |
01/13/2011 | WO2011004160A1 Self healing filter-cake removal system for open hole completions |
01/13/2011 | WO2011004141A1 Improving friction reducer performance in water containing multivalent ions |
01/13/2011 | WO2011003606A1 Method of enhanced oil recovery from geological reservoirs |
01/13/2011 | WO2010115042A3 Oil-based hydraulic fracturing fluids and breakers and methods of preparation and use |
01/13/2011 | WO2010105065A3 Downhole sealing device and method of making |
01/13/2011 | WO2010102034A3 Method to prevent salt crystal agglomeration and settling in a drilling fluid |
01/13/2011 | US20110009299 Emulsion stabilizing agents for drilling and completion fluids |
01/13/2011 | US20110009298 Ultra High Viscosity Pill and Methods for Use with An Oil-Based Drilling System |
01/13/2011 | US20110005969 Compositions and processes for fracturing subterranean formations |
01/13/2011 | US20110005761 Degradable Diverting Agents and Associated Methods |
01/13/2011 | US20110005758 Method and composition for curing lost circulation |
01/13/2011 | US20110005756 Use of zeta potential modifiers to decrease the residual oil saturation |
01/13/2011 | CA2771045A1 Ultra high viscosity pill and methods for use with an oil-based drilling system |
01/13/2011 | CA2767637A1 Method of reducing the viscosity of hydrocarbon fluids |
01/13/2011 | CA2767426A1 Emulsion stabilizing agents for drilling and completion fluids |
01/13/2011 | CA2767250A1 Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families |
01/13/2011 | CA2767236A1 Dispersion compositions with nonionic surfactants for use in petroleum recovery |
01/12/2011 | EP2271735A2 Improved aqueous-based insulating fluids and related methods |
01/12/2011 | EP2271726A1 Powder coated proppant and method of making the same |
01/12/2011 | EP1931745B1 Methods for enhancing aqueous fluid recovery from subterranean formations |
01/12/2011 | CN101945973A Process to prepare zirconium-based cross-linker compositions and their use in oil field applications |
01/12/2011 | CN101945972A Methods for treating hydrocarbon-bearing formations with fluorinated anionic surfactant compositions |
01/12/2011 | CN101945971A Methods for treating hydrocarbon-bearing formations with fluorinated polymer compositions |
01/12/2011 | CN101945970A Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids |
01/12/2011 | CN101945921A Fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same |
01/12/2011 | CN101942297A Fatty acid amide potassium phosphate betaine surfactant for tertiary oil recovery, and preparation method and application thereof |
01/12/2011 | CN101942296A Fiber composite sand control material and preparation method thereof |
01/12/2011 | CN101942295A High temperature resisting rectorite water base drilling fluid for deep stratigraphical drilling |
01/12/2011 | CN101942294A Offshore drilling fluid system and preparation method thereof |
01/12/2011 | CN101942293A Formula of defoaming agent for drilling fluid and processing technique |
01/12/2011 | CN101942292A Organic clay for oil base drilling fluid and production process thereof |
01/12/2011 | CN101942069A Method for preparing modified sulfomethal phenolaldehy resin for drilling liquid |
01/12/2011 | CN101942060A Method for preparing eco-friendly coating agent for drilling fluid |
01/12/2011 | CN101538461B Pressure reducing and injection increasing agent used for flooding well and preparation method thereof |
01/12/2011 | CN101463249B Oil soluble heavy crude thinner and preparation thereof |
01/12/2011 | CN101434835B Preparation of jelly glue dispersion for oil reservoir deep liquid diverting |
01/12/2011 | CN101429424B Di-kalium ion-polymer drilling fluid with strong rejection capability |
01/12/2011 | CN101418213B Cracking and catalytic viscosity reducer for heavy oil production by steam injection and preparation method thereof |