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