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)
04/2014
04/01/2014CA2736148C Settable compositions comprising cement kiln dust and swellable particles
04/01/2014CA2698238C Method of removing carbon dioxide emissions from in-situ recovery of bitumen and heavy oil
04/01/2014CA2630924C Solvent free fluidized polymer suspensions for oilfield servicing fluids
03/2014
03/27/2014WO2014047600A2 Wellbore fluids and method of use
03/27/2014WO2014047319A1 Oil based flocculation mixing and dispersion system
03/27/2014WO2014047237A1 In situ polymerization for completions sealing or repair
03/27/2014WO2014046953A1 Thermally-activated, high temperature particulate suspending agents and methods relating thereto
03/27/2014WO2014046937A1 Methods of treating a subterranean formation with stress-activated resins
03/27/2014WO2014046743A1 A treatment fluid containing a corrosion inhibitor of a polymer including a silicone and amine group
03/27/2014WO2014045815A1 Well proppant and method for recovering hydrocarbon from hydrocarbon-bearing formation
03/27/2014WO2014043819A1 Amide branched aromatic gelling agent enhancers and breakers
03/27/2014WO2014004542A3 Metal silicides in hydrocarbon production and transportation
03/27/2014US20140087979 Invert emulsion based completion and displacement fluid and method of use
03/27/2014US20140087978 Methods of converting an inactive biocide into an active biocide using a chemical reaction
03/27/2014US20140087977 High water and brine swell elastomeric compositions and method for making and using same
03/27/2014US20140087976 Method of Drilling Boreholes With Invert Emulsion Drilling Fluids Having Enhanced Rheology
03/27/2014US20140087975 Treatment fluid containing a corrosion inhibitor of a polymer including a silicone and amine group
03/27/2014US20140087974 Particulate Weighting Agents Comprising Removable Coatings and Methods of Using the Same
03/27/2014US20140083709 Acid soluble abrasive material and method of use
03/27/2014US20140083707 Highly-Concentrated Flowable Salts of Alkyl Polyalkoxy Sulphates
03/27/2014US20140083705 Microemulsion to improve the flow of heavy hydrocarbons, its preparation and use
03/27/2014US20140083704 Method for reducing coning in oil wells by means of micro (nano) structured fluids with controlled release of barrier substances
03/27/2014US20140083703 Triggerable Lost Circulation Material and Method of Use
03/27/2014US20140083702 In situ polymerization for completions sealing or repair
03/27/2014US20140083701 Cement Set Activators for Set-Delayed Cement Compositions and Associated Methods
03/27/2014US20140083700 Compositions and Methods for Plug Cementing
03/27/2014US20140083699 Placing a Fluid Comprising Kiln Dust in a Wellbore Through a Bottom Hole Assembly
03/27/2014US20140083698 Cement Compositions for Cementing in Confined Locales and Methods for Use Thereof
03/27/2014US20140083696 Methods for Enhancing Well Productivity and Minimizing Water Production Using Swellable Polymers
03/27/2014US20140083679 Method for microbial control of injection liquid flow in a hydrocarbon reservoir
03/26/2014EP2710088A1 Wellbore fluid used with swellable elements
03/26/2014EP2710087A1 Process for thickening a drilling mud waste materials and a modified drilling mud waste material
03/26/2014CN103687924A Intermetallic metallic composite, method of manufacture thereof and articles comprising the same
03/26/2014CN103670360A Method for removing oil-gas well barite blocking and adopted working solution
03/26/2014CN103670359A Method for nondegradable gel breaking of vegetable gelatin fracturing fluid
03/26/2014CN103670351A Steam flooding mining method of heavy oil reservoir
03/26/2014CN103666443A Low-density ceramsite proppant and preparation method thereof
03/26/2014CN103666442A Low-density high-intensity ceramsite proppant and preparation method thereof
03/26/2014CN103666441A Multifunctional synergist for acidizing and fracturing as well as preparation method thereof
03/26/2014CN103666440A Acid liquid instant dissolving thickening agent and preparation method thereof
03/26/2014CN103666439A Seawater-based instant fracturing fluid and preparation method thereof
03/26/2014CN103666438A Alkaline modified seaweed gel fracturing fluid
03/26/2014CN103666437A Fracturing fluid
03/26/2014CN103666436A Acidic modified seaweed gel fracturing fluid
03/26/2014CN103666435A Reversible crosslinking low-damage fracturing fluid thickening agent and production method thereof
03/26/2014CN103666434A High-temperature-resistant compound oil-displacing agent for thermal recovery of thick oil
03/26/2014CN103666433A Oil-displacing agent composition used for improving recovery ratio of high-temperature reservoir and preparation method of composition
03/26/2014CN103666432A Efficient dispersing agent for heavy oil reservoir and production process thereof
03/26/2014CN103666431A Surfactant composition and preparation method thereof
03/26/2014CN103666430A Surfactant composition for intensifying oil extraction and preparation method thereof
03/26/2014CN103666429A Surfactant mixed system for displacing oil from low-permeability oilfields
03/26/2014CN103666428A Biological enzyme oil displacement agent
03/26/2014CN103666427A Preparation method of multifunctional oxyamide for oil field and application thereof
03/26/2014CN103666426A Oil field water biological treatment agent as well as preparation method and use method thereof
03/26/2014CN103666425A Blocking remover and blocking removal method for corrosion sulfate compound scale
03/26/2014CN103666424A Polymer degradation agent
03/26/2014CN103666423A Gel injection type profile control agent
03/26/2014CN103666422A High-strength dilatation-retarding particle deep fluid diverting agent
03/26/2014CN103666421A Superfine fiber blocking agent
03/26/2014CN103666420A Cement slurry for shale gas development oil-based drilling fluid well cementation technology
03/26/2014CN103666419A Efficient composite organosilicon antifoaming agent of oil well cement, and preparation method thereof
03/26/2014CN103666418A Gel profile control agent
03/26/2014CN103666417A High-performance oil-based drilling fluid and preparation method thereof
03/26/2014CN103666416A Water-based high-density anti-collapse drilling fluid with high inhibition property
03/26/2014CN103666415A Efficient temperature resistance fluid loss agent for drilling fluid and preparation method thereof
03/26/2014CN103666414A Polyamide amine flowing modifier for mineral oil based drilling fluid and preparation method of modifier
03/26/2014CN103666413A Hexahydrotoluene antifoaming agent
03/26/2014CN103666412A Compound amine shale inhibitor
03/26/2014CN103666411A Compound oil base emulsifier containing fatty alcohol polyoxyethylene polypropylene ether sulfonate and preparation method of compound oil base emulsifier
03/26/2014CN103666410A Lubricant for drilling fluid and preparation method thereof
03/26/2014CN103666409A Polymer viscosity stabilizer
03/26/2014CN103666408A Shale formation protective agent
03/26/2014CN103666407A Drilling fluid and preparation method thereof
03/26/2014CN103666406A Oil well drilling emulsion
03/26/2014CN103666405A Petroleum demulsifier
03/26/2014CN103665747A Composite hollow microsphere and preparation method and application thereof
03/26/2014CN103665367A Fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate and preparation method thereof
03/26/2014CN103665263A Phosphonic acid base containing polymer and application thereof as well as phosphonic acid base containing polymer drilling fluid viscosity reducer
03/26/2014CN103665261A Acryloylmorpholine polymer and application thereof as well as drilling fluid filtrate loss reducer
03/26/2014CN103665260A Heat resistance and salt tolerance polymer for oil displacement and preparation method thereof
03/26/2014CN103665257A Acrylamide copolymer and preparation method and application thereof
03/26/2014CN103665174A Modified starch, preparation method and application thereof, and drilling fluid
03/26/2014CN103657517A Organic silicon-copper emulsifier
03/26/2014CN102899005B High temperature-resisting, anti-salt, anti-calcium filtrate reducer for drilling fluid and preparation method thereof
03/26/2014CN102766450B Nitrogen foam fracturing fluid for coal bed methane and preparation method of nitrogen foam fracturing fluid
03/26/2014CN102653675B Method for modification and viscosity breaking of thick oil through hydrothermal catalysis
03/26/2014CN102633988B Modified lauryl amine hardener, manufacturing method and application of modified lauryl amine hardener
03/26/2014CN102559155B Strong-inhibition efficient shielding temporary plugging protection reservoir drilling fluid and preparation method thereof
03/26/2014CN102531481B High-strength and low-density cement paste using fluid loss agent
03/26/2014CN102464977B Oil-displacing method for improving recovery ratio of high-temperature high-salt oil pool
03/26/2014CN102464976B Oil-displacing composition and preparation method thereof
03/26/2014CN102276489B Alkylphenol polyoxyethylene ether carboxylate type betaine and preparation method thereof
03/26/2014CN102076810B Method of secondary oil recovery
03/26/2014CN101735779B Anti-high temperature anti-saturation salt fluid loss agent and preparation method thereof
03/25/2014US8680028 Method for the treatment of rock formations and novel polyampholytes
03/25/2014US8680027 Method and composition for treatment of a well
03/25/2014US8678089 Cleanup fluids for anhydrous borate compounds and methods for use thereof in subterranean formations
03/25/2014CA2778843C Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications
03/25/2014CA2768594C Hydrophobically and cationically modified relative permeability modifiers and associated methods
03/21/2014CA2825429A1 Procedure of preparation of microemulsion to improve the flow of heavy hydrocarbons
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