| 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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| 06/25/2014 | CN103881691A 环保型压裂液及其返排液的配制和循环利用方法 Preparation and environmentally friendly recycling methods and fracturing fluid flowback fluids |
| 06/25/2014 | CN103881690A 一种植物胶压裂液及其返排液循环利用的方法 A method of plant gum fracturing fluid and flowback recycling |
| 06/25/2014 | CN103881689A 一种提高高含量钙镁植物胶压裂液性能的方法 Method for improving high levels of calcium and magnesium plant gum method of fracturing fluid properties |
| 06/25/2014 | CN103881688A 一种油田油井低伤害清洁压裂液及其应用 One kind of oil wells with low damage clean fracturing fluid and its application |
| 06/25/2014 | CN103881687A 一种速溶改性纤维素交联清洁压裂液及其制备方法 Modified cellulose crosslinking of instant clean fracturing fluid and its preparation method |
| 06/25/2014 | CN103881686A 一种低粘高弹非交联压裂液及其制备方法 A low viscosity high-elastic, non-crosslinked fracturing fluid and its preparation method |
| 06/25/2014 | CN103881685A 一种纳米材料自吸改善滑溜水压裂液在页岩油气增产中的应用 A self-priming improve nanomaterials slippery water fracturing fluids used in shale oil and gas production increase |
| 06/25/2014 | CN103881684A 一种用于CO<sub>2</sub>泡沫驱油的缓蚀剂及其制备方法 A corrosion inhibitor and its preparation method CO <sub> 2 </ sub> for foam flooding |
| 06/25/2014 | CN103881683A 一种用于CO<sub>2</sub>驱油中封堵气窜的起泡剂 A CO <sub> 2 </ sub> Flooding plugging gas channeling frother |
| 06/25/2014 | CN103881682A 一种高温粘土防膨剂及其制备方法和应用 A high-temperature clay anti-swelling agent and its preparation method and application |
| 06/25/2014 | CN103881681A 聚丙烯酸钠渗透油层处理剂 Sodium polyacrylate permeability reservoirs treatment agent |
| 06/25/2014 | CN103881680A 六溴环十二烷阻燃油井消泡剂 Six HBCD flame retardant oil defoamers |
| 06/25/2014 | CN103881679A 亚甲基二萘磺酸钠渗透强力破乳剂 Methylene bis-naphthalene sulfonate demulsifier osmotic strength |
| 06/25/2014 | CN103881678A 辛基三甲基氯化铵强力油井乳液 Octyl trimethyl ammonium strong oil emulsion |
| 06/25/2014 | CN103881677A 琥珀酸二辛酯硫酸钠硅铜油井助剂 Dioctyl sodium copper silicon oil additives |
| 06/25/2014 | CN103881676A 一种油外相乳状液驱油剂及其制备方法和应用 Foreign emulsion of an oil displacement agent and its preparation method and application |
| 06/25/2014 | CN103881675A 一种长效活性控砂洗油剂及其制备方法 A long-acting active control sand oil and its preparation method |
| 06/25/2014 | CN103881674A 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 An injection of poly plugging wells slug combination plugging agent, preparation method and application |
| 06/25/2014 | CN103881673A 一种注聚井用氧化破胶剂及其制备方法 Polyethylene oxide for use in an injection well and a preparation method breaker |
| 06/25/2014 | CN103881672A 一种油田油井解堵剂 One kind of oil wells blocking remover |
| 06/25/2014 | CN103881671A 一种油田注水井复合凝胶型调剖剂及其应用 One kind of oilfield water injection wells composite gel-type profile control agent and its application |
| 06/25/2014 | CN103881670A 抗高温油井水泥降失水剂及其制备方法 High-temperature oil well cement fluid loss additive and its preparation method |
| 06/25/2014 | CN103881669A 一种复合盐水钻井液 A composite brine drilling fluid |
| 06/25/2014 | CN103881668A 硫酸铝增强地层保护剂 Enhanced protection agent aluminum sulfate formation |
| 06/25/2014 | CN103881021A 一种铝酸盐水泥浆体系降失水剂及其制备方法 An aluminate cement slurry fluid loss and its preparation method |
| 06/25/2014 | CN103881015A 一种反相乳液p(am-aa-aops)聚合物及其制备方法 One kind of inverse emulsion p (am-aa-aops) polymer and its preparation method |
| 06/25/2014 | CN103878024A 一种原油地下改质降黏催化用组合物 One kind of underground crude oil viscosity reduction catalytic reformer composition |
| 06/25/2014 | CN103877879A 一种快速制备驱油用聚合物溶液的方法 A solution of the polymer flooding method is rapid preparation |
| 06/25/2014 | CN103044678B 一种页岩抑制剂的制备方法 A method for the preparation of a shale inhibitor |
| 06/25/2014 | CN102994060B 一种岩土钻挖孔工程聚合物型无固相泥浆及制备方法 Drilling holes in geotechnical engineering polymeric solid free mud and preparation methods |
| 06/25/2014 | CN102974268B 烷基苄基聚氧乙烯醚甜菜碱表面活性剂及其制备方法与用途 Polyoxyethylene alkyl benzyl ether betaine surfactant preparation method and uses |
| 06/25/2014 | CN102899009B 一种井筒热洗用清洗剂及其制备方法 One kind of wellbore hot wash with detergent and preparation method |
| 06/25/2014 | CN102876303B 一种在光滑裂缝漏失壁面稳定承压的钻井液用承压堵漏剂 A smooth wall surface cracks loss of drilling fluid pressure steady pressure sealing agent |
| 06/25/2014 | CN102827594B 一种重油垢清洗剂 One heavy grease cleaners |
| 06/25/2014 | CN102559157B 一种环保型抗高温合成基泡沫钻井液及其制备方法 An eco-friendly high-temperature synthetic based foam drilling and preparation method |
| 06/25/2014 | CN102459503B 增粘剂预涂覆的颗粒 Tackifier particles precoated |
| 06/25/2014 | CN101861445B 生产油和/或气的系统与方法 Systems and methods for producing oil and / or gas |
| 06/25/2014 | CN101796156B 生产油和/或气的方法 The method for producing oil and / or gas |
| 06/24/2014 | US8759261 Method and composition for enhanced hydrocarbons recovery |
| 06/24/2014 | US8759260 Wellbore fluid additives and methods of producing the same |
| 06/24/2014 | US8757261 Methods and compositions for clay control |
| 06/24/2014 | US8757260 Degradable perforation balls and associated methods of use in subterranean applications |
| 06/20/2014 | CA2838095A1 Chemical seal ring composition and method of using |
| 06/19/2014 | WO2014093854A1 Emulsions and methods usable within a wellbore |
| 06/19/2014 | WO2014093483A1 Drag reducing agents for oil - and synthetic-based fluids |
| 06/19/2014 | WO2014093229A1 A proppant |
| 06/19/2014 | WO2014093157A1 Cementing composition comprising nonionic hydrophobically-modified cellulose ethers and its use |
| 06/19/2014 | WO2014093069A1 Packer material with cut fiber reinforcing agent |
| 06/19/2014 | WO2014092940A1 Viscous settable fluid for lost circulation in subterranean formations |
| 06/19/2014 | WO2014092888A1 Wellbore servicing compositions and methods of making and using same |
| 06/19/2014 | WO2014092887A1 Wellbore servicing fluids and methods of making and using same |
| 06/19/2014 | WO2014092146A1 Fluid dispersion for drilling, and mining method for underground resources using same |
| 06/19/2014 | WO2014091994A1 Fluid dispersion for drilling, and mining method using same |
| 06/19/2014 | WO2014091024A1 Integrated recovery of hydrocarbons from a subsurface reservoir with nitrogen injection |
| 06/19/2014 | WO2014090823A1 New tracers for the study of an oil reservoir in high salinity and high temperature conditions |
| 06/19/2014 | WO2014089994A1 Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids |
| 06/19/2014 | WO2014070503A9 Methods for producing fluid invasion resistant cement slurries |
| 06/19/2014 | WO2014004689A3 Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations |
| 06/19/2014 | WO2014004611A3 Methods of improving hydraulic fracture network |
| 06/19/2014 | US20140171346 Drilling fluid for enhanced rate of penetration |
| 06/19/2014 | US20140171345 Well treatment composites for use in well treatment fluids |
| 06/19/2014 | US20140170330 Apparatus and Method for Sintering Proppants |
| 06/19/2014 | US20140166294 Cystine proteases for bacterial control |
| 06/19/2014 | US20140166291 Surfactant system as a self-diverted acid for well stimulation |
| 06/19/2014 | US20140166285 Novel weighted elastomer systems for use in cement, spacer and drilling fluids |
| 06/19/2014 | US20140166282 Functionalized hydrogen sulfide scavengers |
| 06/19/2014 | US20140165457 Polymeric compositions composed of ethylene-vinyl ester copolymers alkyl (meth)acrylates, processes for production thereof and use thereof as pour point depressants for crude oils, mineral oils or mineral oil products |
| 06/19/2014 | CA2837992A1 Processes and compositions for scavenging hydrogen sulfide |
| 06/18/2014 | EP2743444A1 Compositions and methods for well completions |
| 06/18/2014 | EP2743326A1 New tracers for the study of an oil reservoir in high salinity and high temperature conditions |
| 06/18/2014 | EP2743242A2 Cement compositions comprising sub-micron alumina and associated methods |
| 06/18/2014 | EP2742110A1 Interpenetrating polymer network deformable proppant |
| 06/18/2014 | EP2742014A1 Methods for cementing in a subterranean formation using a cement composition containing a set retarder of a polyester |
| 06/18/2014 | CN103874741A Pyromellitamide gelling agents |
| 06/18/2014 | CN103867170A Low-yield low-pressure gas well self-production gas foam liquid discharging method |
| 06/18/2014 | CN103865821A Chelatococcus sp., and preparation method and application thereof |
| 06/18/2014 | CN103865820A Luteimonas sp., and preparation method and application thereof |
| 06/18/2014 | CN103865515A Turning foamed acid for heterogeneous reservoir acidification |
| 06/18/2014 | CN103865514A Rapidly hydrated liquid guanidine gum and fracturing base fluid containing same |
| 06/18/2014 | CN103865513A Surfactant self-absorption composite shale hydraulic fracturing fluid as well as preparation method and application thereof |
| 06/18/2014 | CN103865512A Cleaning fracturing fluid composed of associative zwitterionic polymer thickener and thickening assistant agent |
| 06/18/2014 | CN103865511A Visco-elastic surfactant fracturing fluid, and preparation method and application thereof |
| 06/18/2014 | CN103865510A Thermal-recovery injection well gel single-liquid modifying and flooding agent and modifying and flooding method thereof |
| 06/18/2014 | CN103865509A Long-acting mixed fluorocarbon surfactant treating agent for improving condensate gas reservoir recovery efficiency and application of mixed fluorocarbon surfactant treating agent |
| 06/18/2014 | CN103865508A Plasticizer for displacing oil during oilfield exploitation |
| 06/18/2014 | CN103865507A Preparation method and application of micro-molecular anti-swelling shrinkage agent |
| 06/18/2014 | CN103865506A High-temperature acidizing corrosion inhibitor for oil-gas fields and preparation method thereof |
| 06/18/2014 | CN103865505A Non-ionic compound gas hydrate anti-agglomerant |
| 06/18/2014 | CN103865504A Gel double-solution plugging regulating agent of steam injection well for thermal recovery and plugging regulating method using gel double-solution plugging regulating agent |
| 06/18/2014 | CN103865503A Novel high-temperature resistant inorganic particle-gel compound double-liquid blocking agent and blocking method thereof |
| 06/18/2014 | CN103865502A Preparation method and application of micromolecule clay expansion inhibitor |
| 06/18/2014 | CN103865501A Low-density cement paste for salt-cavern gas storage well cementation |
| 06/18/2014 | CN103865500A Liquid rubber plug and method for pulling out coiled tubing velocity pipe column by using liquid rubber plug under pressure |
| 06/18/2014 | CN103865499A Recyclable microfoam polymer drilling fluid and preparation method for same |
| 06/18/2014 | CN103865498A Mud cake adhesion lubricant for water-base drilling fluid |
| 06/18/2014 | CN103865008A Polyamide and amine hybridized nanosilicon dioxide hyperbranched polymer and preparation method thereof |
| 06/18/2014 | CN103864987A Partially hydrolyzed acrylamide polymer, its preparation method and its application |
| 06/18/2014 | CN103864986A Acrylamide polymer, its preparation method and its application |
| 06/18/2014 | CN103864636A A preparing method of a lubricant used for drilling fluid |
| 06/18/2014 | CN103864377A Pore sealing and plugging material suitable for laneways and application method thereof |