| 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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| 05/03/2012 | WO2010141099A3 Methods and compositions for viscosifying heavy aqueous brines |
| 05/03/2012 | US20120108473 Process for treatment of produced water obtained from an enhanced oil recovery process using polymers |
| 05/03/2012 | US20120108472 Thermoplastic Cellulosic Fiber Blends as Lost Circulation Materials |
| 05/03/2012 | US20120108471 Volcanic Ash-Based Drilling Mud to Overcome Drilling Challenges |
| 05/03/2012 | US20120104305 Environmentally benign anti-icing or deicing fluids |
| 05/03/2012 | US20120103617 Water based completion and displacement fluid and method of use |
| 05/03/2012 | US20120103616 Methods of Fracturing Subterranean Formations Using Sulfonated Synthetic Gelling Agent Polymers |
| 05/03/2012 | US20120103615 Viscous wellbore fluids |
| 05/03/2012 | US20120103614 Method of Treating a Borehole and Drilling Fluid |
| 05/03/2012 | US20120103431 Pipeline hydrate inhibitor and method of reducing hydrates using the hydrate inhibitor |
| 05/03/2012 | CA2816351A1 Alkali-activated coatings for proppants |
| 05/03/2012 | CA2815882A1 Non-aqueous hydrocarbon recovery |
| 05/03/2012 | CA2815659A1 Nanomatrix carbon composite |
| 05/02/2012 | EP2445985A1 Methods for treating a well with a cross-linked water-soluble polymer-complexed metal cation network and an aromatic compound capable of forming a chelating agent to uncross-link the polymer |
| 05/02/2012 | EP2445984A1 Additives for inhibiting gas hydrate formation |
| 05/02/2012 | EP2445624A1 Water in oil emulsion, method for the production thereof |
| 05/02/2012 | EP2171093B1 Biological enhancement of hydrocarbon extraction |
| 05/02/2012 | EP2164918B1 Oil-well cement fluid loss additive composition |
| 05/02/2012 | CN102439110A Methods for treating a well using a treatment fluid containing a water-soluble polysaccharide, a water-soluble salt and urea |
| 05/02/2012 | CN102439109A Methods of using fluid loss additives comprising micro gels |
| 05/02/2012 | CN102438976A Gemini surfactants |
| 05/02/2012 | CN102434140A Self-diverting foamed system |
| 05/02/2012 | CN102434139A Method for using solid-phase proppant for water-plugging profile-control of oil-water well |
| 05/02/2012 | CN102434124A Successive-compounding-process based plugging method for well drilling |
| 05/02/2012 | CN102433111A Acid liquid for acid fracturing and preparation method thereof |
| 05/02/2012 | CN102433110A Amine shale stabilizer for drilling fluid |
| 05/02/2012 | CN102433109A Water-based drilling fluid with high suppression and lubrication performance and preparation method thereof |
| 05/02/2012 | CN102433108A Temperature-resistance salt-resistance filtrate reducer for drilling fluid and preparation method thereof |
| 05/02/2012 | CN102433107A Low-molecular-weight polymer type filtrate loss reducer for drilling fluid and preparation method for same |
| 05/02/2012 | CN102432786A Phenolic resin and preparation method thereof as well as proppant and preparation method thereof |
| 05/02/2012 | CN102432751A High-temperature colloid protecting anticaving fluid loss additive for drilling fluid and preparation method thereof |
| 05/02/2012 | CN102432749A Amphipol and application thereof |
| 05/02/2012 | CN102432748A Amphipol and application thereof |
| 05/02/2012 | CN102432747A Amine lactone type amphoteric high polymer emulsion as well as preparation method and application thereof |
| 05/02/2012 | CN102432734A Production method of polymer for drilling fluid |
| 05/02/2012 | CN102430364A Composite stratum waste soil improving foam additive |
| 05/02/2012 | CN101716474B Application of surfactant and formulation system thereof in alkali-free binary combination flooding |
| 05/02/2012 | CN101638575B High-temperature resistant thinner for drilling fluid and production method and use method thereof |
| 05/02/2012 | CN101633837B Polymer flooding oil-water separation agent and preparation method thereof |
| 05/01/2012 | US8168683 Fluorinated vinylidene cationic surfactant |
| 05/01/2012 | US8168570 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 05/01/2012 | US8168569 Precipitated weighting agents for use in wellbore fluids |
| 05/01/2012 | CA2623923C Method of treating well with foamed composition |
| 05/01/2012 | CA2575212C Cement-free zeolite and fly ash settable fluids and methods therefor |
| 05/01/2012 | CA2533937C Process for the selective hydrogenation of phenylacetylene |
| 04/28/2012 | CA2719686A1 Application of a specialized slurry used for cementing tubulars in wells producing synthesis gas by underground coal gasification |
| 04/26/2012 | WO2012054569A2 Non-homopolymers exhibiting gas hydrate inhibition, salt tolerance and high cloud point |
| 04/26/2012 | WO2012054456A1 Degradable latex and method |
| 04/26/2012 | WO2012054369A2 A drilling fluid |
| 04/26/2012 | WO2012054270A1 Non-damaging bimodal stimulation composition and method of use thereof |
| 04/26/2012 | WO2012054150A1 Non-ionic alkali polymer solutions for enhanced oil recovery in a subterranean formation |
| 04/26/2012 | WO2012052716A1 Modification of solid polysaccharide with transesterification agent |
| 04/26/2012 | WO2012052715A2 Designed drilling fluids for ecd management and exceptional fluid performance |
| 04/26/2012 | WO2012052712A2 Wellbore cementing compositions and methods of making and using same |
| 04/26/2012 | WO2012036862A9 Mechanisms for treating subterranean formations with embedded additives |
| 04/26/2012 | WO2012025800A3 Delivery of particulate material below ground |
| 04/26/2012 | WO2012025799A3 Delivery of particulate material below ground |
| 04/26/2012 | WO2012009128A3 Nanofluids and methods of use for drilling and completion fluids |
| 04/26/2012 | WO2012001574A3 High solids content methods and slurries |
| 04/26/2012 | US20120101010 Alkoxy carboxylate surfactants |
| 04/26/2012 | US20120101009 Cyclohexane oxidation process byproduct stream derivatives and methods for using the same |
| 04/26/2012 | US20120097403 Invert Drilling Fluids Having Enhanced Rheology and Methods of Drilling Boreholes |
| 04/26/2012 | US20120097393 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amphoteric compounds |
| 04/26/2012 | US20120097392 Treatment Fluids Containing Biodegradable Chelating Agents and Methods for Use Thereof |
| 04/26/2012 | CA2831720A1 Designed drilling fluids for ecd management and exceptional fluid performance |
| 04/26/2012 | CA2815111A1 Non-ionic alkali polymer solutions for enhanced oil recovery in a subterranean formation |
| 04/26/2012 | CA2815077A1 Degradable latex and method |
| 04/26/2012 | CA2811708A1 Wellbore cementing compositions and methods of making and using same |
| 04/25/2012 | EP2443211A1 Cement compositions comprising particulate foamed elastomers and associated methods |
| 04/25/2012 | EP2245114B1 Binders for binding beds and loose formations and processes for producing them |
| 04/25/2012 | EP2100002B1 Scale squeeze treatment methods and systems |
| 04/25/2012 | CN1989219B 水基钻井液 Water-based drilling fluids |
| 04/25/2012 | CN102428157A 用于注入可用于化学提高石油采收率用注入流体的单一混配物的水溶性聚合物与稳定添加剂的新型制剂 Novel Formulations for injection can be used for chemical enhanced oil recovery using water-soluble polymers and stability of blends single injection fluid additives |
| 04/25/2012 | CN102428156A 处理井眼的方法和钻井液 The method of processing wellbore fluids and |
| 04/25/2012 | CN102428155A 使用亚微米尺寸粒子作为加重剂的高性能钻井液 The use of sub-micron sized particles as a weighting agent in drilling performance |
| 04/25/2012 | CN102428041A 处理采出水的方法 Produced water treatment methods |
| 04/25/2012 | CN102424749A 一种高矿化度聚合物凝胶及其制法 A high-salinity polymer gel Jiqizhifa |
| 04/25/2012 | CN102424748A 油水井纤维调堵剂的使用方法 Use oil wells fiber plugging agent |
| 04/25/2012 | CN102424747A 合成基钻井液 Synthetic-based drilling fluids |
| 04/25/2012 | CN102424746A Strongly inhibitory solid-free polyamine-formate drilling fluid system |
| 04/25/2012 | CN101857663B 用于酸压裂温控变粘的聚合物和聚合物交联体的制备方法 Preparation of acid fracturing temperature becomes tacky polymers and crosslinked polymers used in |
| 04/25/2012 | CN101638576B 钻井液用屏蔽暂堵胶凝剂及其生产方法和使用方法 Temporary plugging drilling fluid gelling agent and its production method and use |
| 04/24/2012 | US8163679 Method for applying remedial cement to a wellbore |
| 04/24/2012 | US8163678 Enhanced oil recovery surfactant formulation and method of making the same |
| 04/24/2012 | US8163677 Consolidation agents and the use thereof for consolidating molded bodies and geological formations consisting of porous or particulate materials |
| 04/24/2012 | US8163676 Emulsifier blend |
| 04/24/2012 | US8163675 Emulsifier based on polyamines and fatty acid/maleic anhydride |
| 04/24/2012 | US8162058 Slag compositions and methods of use |
| 04/24/2012 | US8162057 Radiation-induced thickening for set-on-command sealant compositions and methods of use |
| 04/24/2012 | CA2739274C Compact natural gas steam reformer and reforming method with linear countercurrent heat exchanger |
| 04/24/2012 | CA2662483C Internal breaker for oilfield fluids |
| 04/24/2012 | CA2491934C Self-diverting pre-flush acid for sandstone |
| 04/19/2012 | WO2012051511A1 Water injection systems and methods |
| 04/19/2012 | WO2012051026A2 Light weight proppant with improved strength and methods of making same |
| 04/19/2012 | WO2012051007A2 Stabilizing emulsified acids for carbonate acidizing |
| 04/19/2012 | WO2012050984A1 Releasable corrosion inhibitors |
| 04/19/2012 | WO2012050794A1 Control of fluid flow during treatment of subterranean sites using well fluid injection |
| 04/19/2012 | WO2012050187A1 Oil drilling auxiliary dispersion |
| 04/19/2012 | WO2012049243A1 Ferrosilicon weighting agents for wellbore fluids |
| 04/19/2012 | WO2012049093A1 Fluoroelastomers |