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)
12/2011
12/14/2011CN102277144A 适用于高温下的甲酰胺-水玻璃复合型化学灌浆材料 For high temperature of formamide - silicate composite chemical grouting material
12/14/2011CN102277143A 一种油井用w/o/w型活性稠油堵剂及制备方法 One kind of oil to use w / o / w type active heavy blocking agent preparation
12/14/2011CN102277142A 一种制造油田钻井液降滤失剂的方法 A method of manufacturing oilfield drilling fluid loss agent
12/14/2011CN102277141A 一种基于瓜胶衍生物的甜菜碱型两性增稠剂及其制备方法 An guar derivatives betaine amphoteric thickeners and preparation method based on
12/14/2011CN102277140A 钻井液用多功能固体润滑剂 Multifunctional solid lubricant for drilling fluid
12/14/2011CN102276992A 钻井液用改性磺化沥青及其制备方法 Drilling with a modified sulfonated asphalt and preparation method
12/14/2011CN102276822A 烷基酚聚氧乙烯醚羟基磺酸盐型甜菜碱及其制备方法 Hydroxy ether sulfonate betaine alkylphenol and its preparation method
12/14/2011CN102276773A 钻井液用双聚铵盐 Drilling with a double poly ammonium salt
12/14/2011CN102276489A 烷基酚聚氧乙烯醚羧酸盐型甜菜碱及其制备方法 Alkylphenol ether carboxylate type betaine and its preparation method
12/14/2011CN102274701A 一种表面活性剂及其制备和应用 A surfactant preparation and application
12/14/2011CN101205196B 丙酮合氰化氢的蒸馏处理以及制备甲基丙烯酸酯和后续产物的方法 Acetone cyanohydrin distillation treatment as well as methods for preparing methacrylic acid ester and the subsequent product
12/13/2011US8076272 Method of making a synthetic alkylaryl sulfonate
12/13/2011US8076271 Aqueous tackifier and methods of controlling particulates
12/13/2011US8076270 Wellbore treatment compositions
12/13/2011US8076269 Compressible objects combined with a drilling fluid to form a variable density drilling mud
12/13/2011CA2659239C Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers
12/11/2011CA2742431A1 A surfactant, the preparation of the same and use thereof
12/08/2011WO2011152952A1 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties
12/08/2011WO2011152882A1 Suspensions for enhanced oil recovery
12/08/2011WO2011152877A1 Monitoring emulsion formation
12/08/2011WO2011152876A1 Solubilizing surfactants into supercritical carbon dioxide for enhanced oil recovery
12/08/2011WO2011152856A1 Oil recovery
12/08/2011WO2011150997A1 Additives for inhibition of gas hydrate formation
12/08/2011US20110301067 Method for the production of a lightweight magnesium silicate proppant and a proppant
12/08/2011US20110297383 Proppant
12/08/2011US20110297377 Stable organic-based fluid loss additive containing an organophilic clay-based suspending agent for use in a well
12/08/2011US20110297375 Compostion for borehole treatment
12/08/2011CA2801571A1 Injection system for enhanced oil recovery
12/08/2011CA2801432A1 Additives for inhibition of gas hydrate formation
12/08/2011CA2801427A1 Suspensions for enhanced oil recovery
12/08/2011CA2801360A1 Solubilizing surfactants into supercritical carbon dioxide for enhanced oil recovery
12/08/2011CA2801354A1 Oil recovery
12/07/2011EP2391692A1 Methods for servicing well bores with hardenable resin compositions
12/07/2011EP2242872B1 Corrosion inhibitors having increased biological degradability and minimized toxicity
12/07/2011EP1339811B1 Environmentally acceptable fluid polymer suspension for oil field services
12/07/2011CN102268980A 双作用机制降低岩石微孔道水流阻力的方法 Double-acting mechanism to reduce the flow resistance of rock pore channel approach
12/07/2011CN102268975A 一种乳化稠油堵水施工工艺 An emulsified heavy oil shutoff construction process
12/07/2011CN102268677A 一种抑制H<sub>2</sub>S/CO<sub>2</sub>腐蚀的缓蚀剂及其制备方法 An H <sub> 2 </ sub> S / CO <sub> 2 </ sub> corrosion inhibitor and a preparation method for inhibiting
12/07/2011CN102268248A 低密度高强度红柱石压裂支撑剂及其生产方法 Low density and high strength proppant and andalusite production methods
12/07/2011CN102268247A 纤维状水溶性屏蔽暂堵剂 Fibrous water soluble temporary plugging agent
12/07/2011CN102268246A 井筒专用混凝土外加剂 Wellbore special concrete admixtures
12/07/2011CN102268166A 一种用于油田堵水的三元共聚物的制备方法 A method for the preparation of oil shutoff terpolymer
12/07/2011CN102268125A 一种耐温、高强覆膜砂支撑剂用树脂的制备 A temperature, high-strength resin-coated sand proppant with preparation
12/07/2011CN102268123A 一种油田钻井堵漏用高吸水材料的制备方法 An oil drilling plugging with high absorbent material preparation
12/07/2011CN101921366B 采油用粘土防膨剂及其制备方法 Oil anti-swelling clay and its preparation method
12/07/2011CN101759825B 油气田固井专用羧基丁苯胶乳 Cementing oil and gas fields dedicated carboxyl SBR
12/07/2011CN101642713B 一种C<sub>16</sub>-C<sub>19</sub>长链正构烷烃脱氢催化剂及其制备方法和应用 One kind of C <sub> 16 </ sub> -C <sub> 19 </ sub> long-chain n-alkane dehydrogenation catalyst and preparation method and application
12/07/2011CN101628800B 一种注浆用低析水率早强水泥浆液 Grouting with a low resolution one kind of water rate early strength cement slurry
12/07/2011CN101624272B 泥水盾构穿越砂性土层适用泥浆及其制备方法 Applicable across the mud slurry shield sandy soil and its preparation method
12/07/2011CN101613596B 井壁稳定剂 Sidewall stabilizer
12/06/2011US8071512 Annular fluids and method of emplacing the same
12/06/2011US8071511 Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove scale from wellbore tubulars or subsurface equipment
12/06/2011US8071510 Method of increasing lubricity of brine-based drilling fluids and completion brines
12/06/2011US8071509 Glycerol based drilling fluids
12/06/2011DE202009018507U1 Niedrigviskos bis hochviskos eingestellte wasserbasierte Schmierstoffzusammensetzung Low viscosity to high viscosity water-based lubricant composition set
12/06/2011CA2677489C High performance foams for unloading gas wells
12/06/2011CA2675126C Compositions for increasing gas production from a subterranean formation
12/01/2011WO2011150060A2 Surfactant-less alkaline-polymer formulations for recovering reactive crude oil
12/01/2011WO2011149779A1 System and method for enhancing oil recovery from a subterranean reservoir
12/01/2011WO2011149618A1 Well servicing fluid
12/01/2011WO2011148282A1 Blending system and method for preparing emulsions
12/01/2011WO2011147054A1 Dendritic comb-shaped polymeric thickening agent, preparation and use thereof
12/01/2011US20110294704 Permeability-Modifying Drilling Fluids and Methods of Use
12/01/2011US20110290506 Downhole magnetic particle delivery system for oil and gas wells
12/01/2011US20110290493 Compositions And Methods For Completing Subterranean Wells
12/01/2011US20110290491 Well servicing fluid
12/01/2011US20110290489 Method and composition
12/01/2011US20110290482 Surfactant-Less Alkaline-Polymer Formulations for Recovering Reactive Crude Oil
12/01/2011CA2800873A1 Well servicing fluid
12/01/2011CA2800205A1 System and method for enhancing oil recovery from a subterranean reservoir
12/01/2011CA2800179A1 Surfactant-less alkaline-polymer formulations for recovering reactive crude oil
11/2011
11/30/2011EP2390300A1 Method and Composition for control of water production
11/30/2011EP1794412B1 Treatment method for inhibiting corrosion of top of lines used in the oil industry
11/30/2011CN102264862A 结晶陶瓷粒子 Crystalline ceramic particles
11/30/2011CN102260490A 稠油助采剂及其制备方法 Heavy help mining and preparation method
11/30/2011CN102260489A 一种树枝状梳形聚合物增稠剂及其制备和应用 A branched comb polymer thickeners and preparation and application
11/30/2011CN102260488A 一种王水缓蚀剂及其制备方法 One kind of aqua regia inhibitor and its preparation method
11/30/2011CN102260487A 一种钻井液快钻剂的制备方法 A method for preparing fast drilling mud agent
11/30/2011CN101671031B 一种无机硅磷酸盐低聚物的制备及其应用 Preparation and application of an inorganic silicon phosphate oligomers
11/30/2011CN101570684B 用于稠油水热裂解的催化降粘剂的制备方法 Catalytic heavy oil viscosity reducer preparation for aquathermolysis
11/30/2011CN101525532B 油井选择性堵水剂 Well selective blocking agent
11/30/2011CN101279936B 烷基酚磺酸聚氧乙烯醚硫酸酯盐及其制备方法 Sulfonic acid polyoxyethylene alkylphenol ether sulfate and its preparation method
11/30/2011CN101228249B 含疏水蛋白的钻井液 Hydrophobic proteins containing drilling fluids
11/29/2011US8067343 Methods and compositions for preventing high density well completion fluid loss
11/29/2011US8067342 break fluids viscosified with non-polymeric viscosifiers such as viscoelastic surfactants, inside formation pores. The breakers are polyols, for example natural and synthetic sugars, monoalcohols, and mixtures of the two. The sugars may be ketones and aldehydes. The sugars are also breaker aides
11/29/2011CA2671686C Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids
11/29/2011CA2661202C Tunable surfactants for oil recovery applications
11/29/2011CA2633879C Oil based concentrated slurries and methods for making and using same
11/29/2011CA2630488C Novel borozirconate systems in completion systems
11/29/2011CA2600251C Methods of limiting leak off and damage in hydraulic fractures
11/29/2011CA2542713C Use of carboxymethyl cellulose in drilling fluids
11/29/2011CA2517420C Method and composition for injection at a tunnel boring machine
11/27/2011CA2741134A1 Method and composition
11/25/2011CA2760510A1 Film coated particles for oil exploitation and oil exploitation method using the same
11/24/2011WO2011145966A1 Hydraulic fracturing method
11/24/2011WO2011144898A1 Shear tolerant aqueous based fracturing fluids and methods
11/24/2011WO2011144433A1 Compositions and methods for well treatment
11/24/2011WO2011089151A3 Method for producing methane gas
11/24/2011US20110287985 Methods and systems for treating subterranean wells
11/24/2011US20110287984 Treatment fluids made of halogenisocyanuric acid and its salts for operations in a well