| 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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| 05/24/2012 | WO2012068330A2 Foamers for downhole injection |
| 05/24/2012 | WO2012068080A1 Oil field treatment fluids |
| 05/24/2012 | WO2012067784A1 Non-aqueous drilling additive useful to produce a flat temperature-rheology profile |
| 05/24/2012 | WO2012066284A1 Oxygen scavenger compositions for completion brines |
| 05/24/2012 | WO2012066125A1 Process for the production of coated proppants |
| 05/24/2012 | WO2012012158A3 Bacterial control of water based fluids during subsurface injection and subsequent residence time in the subterranean formation |
| 05/24/2012 | US20120129739 Water-soluble, hydrophobic associating copolymers |
| 05/24/2012 | US20120129738 Oil field treatment fluids comprising zwitterionic betaine-group-containing polymers |
| 05/24/2012 | US20120129737 Heterogeneous proppant placement in a fracture with removable channelant fill |
| 05/24/2012 | US20120129736 Highly oxidized graphene oxide and methods for production thereof |
| 05/24/2012 | US20120129735 Non-aqueous drilling additive useful to produce a flat temperature-rheology profile |
| 05/24/2012 | US20120129734 Use of hydrophobically associated copolymer as an additive in specific oilfield applications |
| 05/24/2012 | US20120129733 Systems and methods for processing glycerol |
| 05/24/2012 | US20120125606 Aqueous formulations of hydrophobically associating copolymers and surfactants and use thereof for mineral oil production |
| 05/24/2012 | DE102010051817A1 Verfahren zur Herstellung beschichteter Proppants A process for producing coated proppants |
| 05/24/2012 | CA2820627A1 Process for the production of coated proppants |
| 05/24/2012 | CA2817871A1 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 05/24/2012 | CA2817627A1 Foamers for downhole injection |
| 05/24/2012 | CA2816445A1 Non-aqueous drilling additive useful to produce a flat temperature-rheology profile |
| 05/24/2012 | CA2815433A1 Oxygen scavenger compositions for completion brines |
| 05/24/2012 | CA2812850A1 Oil field treatment fluids |
| 05/23/2012 | EP2455581A2 Methods and compositions for determination of fracture geometry in subterranean formations |
| 05/23/2012 | EP2455441A1 Oil field treatment fluids |
| 05/23/2012 | EP2454339A2 Method of reducing the viscosity of hydrocarbon fluids |
| 05/23/2012 | EP2454338A1 Stabilization of emulsions containing resinous material for use in the field of oil or gas well treatments |
| 05/23/2012 | EP2454337A1 Degradable diverting agents and associated methods |
| 05/23/2012 | EP2454233A2 Sulfonate surfactants and methods of preparation and use |
| 05/23/2012 | EP1603847B1 Flexible cementing compositions and methods for high-temperature wells |
| 05/23/2012 | CN102471899A Polymeric corrosion inhibitors |
| 05/23/2012 | CN102471675A 供石油开采中使用的具有非离子型表面活性剂的分散体组合物 For use in oil dispersion composition having a non-ionic surfactant |
| 05/23/2012 | CN102471674A 用于减少岩石渗透性的有机盐类 For reducing the permeability of the rock organic salts |
| 05/23/2012 | CN102471249A 磺酸盐表面活性剂和制备与使用方法 Sulfonate surfactant and the preparation and use of |
| 05/23/2012 | CN102465688A 用于提高高温高盐油藏三次采油采收率的驱油方法 Used to improve the high-temperature and high salinity reservoir flooding EOR recovery methods |
| 05/23/2012 | CN102465682A 超强吸水树脂应用于裂缝堵漏的分段注入方法 Super absorbent resin injection method is applied to segment plugging cracks |
| 05/23/2012 | CN102464988A Preparation method of high-softening-point asphalt particles for drilling fluid |
| 05/23/2012 | CN102464977A 用于提高高温高盐油藏采收率的驱油方法 Improve the high temperature and high salinity reservoir recovery method for flooding |
| 05/23/2012 | CN102464976A 驱油用组合物及其制备方法 Flooding composition and preparation method |
| 05/23/2012 | CN102464975A Composition for increasing recovery ratio of high-temperature and high-salt oil reservoir and preparation method thereof |
| 05/23/2012 | CN102464974A Composition capable of greatly improving crude oil recovery efficiency and preparation method thereof |
| 05/23/2012 | CN102464973A Carbon dioxide (CO2) corrosion-resistant material of oil well cement |
| 05/23/2012 | CN102464849A 新型驱油用无机纳米复合聚丙烯酰胺及其制备方法 The new flooding with inorganic nanocomposite polyacrylamide and its preparation method |
| 05/23/2012 | CN102464798A Amide macromonomer, thermothickening copolymer, preparation methods and application thereof |
| 05/23/2012 | CN102464797A Enether monomer, water-soluble thermothickening copolymer, preparation method, application thereof |
| 05/23/2012 | CN102464783A Water-soluble thermo-thickening copolymer, and preparation method and application thereof |
| 05/23/2012 | CN102464782A Thermo-thickening water-soluble tricopolymer, its preparation method and application |
| 05/23/2012 | CN102464781A Thermothickening terpolymer, its preparation method and application |
| 05/23/2012 | CN102464761A Sulphonated heat resistant and salt tolerant copolymer for oil field and preparation method thereof |
| 05/23/2012 | CN102464760A Copolymer having dithio structure-containing annular groups, its preparation method and application |
| 05/23/2012 | CN102464651A Compound containing cyclic group having disulfide structure and preparation method and application of compound |
| 05/23/2012 | CN102464598A 脂肪酸酰胺聚氧乙烯醚苯磺酸盐及其制备方法 Polyoxyethylene fatty acid amide sulfonate and preparation method |
| 05/23/2012 | CN101942069B Method for preparing modified sulfomethal phenolaldehy resin for drilling liquid |
| 05/23/2012 | CN101589076B Fluorinated surfactants and methods of using the same |
| 05/23/2012 | CN101451062B Biological oil displacement agent and production method and use thereof |
| 05/23/2012 | CN101403285B Physical foam cementing method |
| 05/23/2012 | CN101348711B Drill-feeding plugging agent |
| 05/22/2012 | US8183186 Cement-based particulates and methods of use |
| 05/22/2012 | US8183185 Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid |
| 05/22/2012 | US8183184 Controlled release of functional chemicals to target area |
| 05/22/2012 | US8183183 Method of treating a wellbore at high temperature in contact with carbon dioxide |
| 05/22/2012 | US8183182 Composition of microemulsion and method for advanced recovery of heavy oil |
| 05/22/2012 | US8183181 Oil field treatment fluids comprising zwitterionic betaine-group-containing polymers |
| 05/22/2012 | US8183180 Graphene compositions and drilling fluids derived therefrom |
| 05/22/2012 | US8183179 System, method, and apparatus for acid fracturing with scale inhibitor protection |
| 05/18/2012 | WO2012065129A1 Thermally stable scale inhibitor compositions |
| 05/18/2012 | WO2012064576A1 Methods to deliver fluids on a well site with variable solids concentration from solid slurries |
| 05/18/2012 | WO2012064213A1 Method to enhance fiber bridging |
| 05/18/2012 | WO2012064168A1 Composition comprising zwitterionic geminal liquids as wettability modifiers in improved oil recovery processes |
| 05/18/2012 | WO2012063199A2 Formate salts for increased stability of polyacrylamide fluids |
| 05/18/2012 | WO2012063055A1 Method and composition for preventing corrosion of metal surfaces |
| 05/18/2012 | WO2012021626A3 Wellbore servicing fluid comprising a cellulose ether |
| 05/18/2012 | CA2817745A1 Thermally stable scale inhibitor compositions |
| 05/18/2012 | CA2817681A1 Composition based on geminals zwitterionics liquids as wettability modifiers in enhanced oil recovery processes |
| 05/18/2012 | CA2817456A1 Method and composition for preventing corrosion of metal surfaces |
| 05/18/2012 | CA2815701A1 Method to enhance fiber bridging |
| 05/17/2012 | US20120122999 Urethane and urea fluorosurfactants |
| 05/17/2012 | US20120122741 Scale Inhibiting Particulates |
| 05/17/2012 | US20120122740 Heavy oil recovery process using extremophile anaerobic indigenous microorganisms |
| 05/17/2012 | US20120122739 Viscosifying polymers and methods of use |
| 05/17/2012 | US20120122738 Method for preparing a gelling and viscosifying agent for drilling mud and the product thereof |
| 05/17/2012 | US20120121523 Compositions having hase rheology modifiers |
| 05/17/2012 | US20120118575 Thermally Stable Scale Inhibitor Compositions |
| 05/17/2012 | US20120118574 Composition and method for producing an ultra-lightweight ceramic proppant |
| 05/17/2012 | US20120118569 Oxygen Scavenger Compositions for Completion Brines |
| 05/16/2012 | EP2451891A2 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amphoteric compounds |
| 05/16/2012 | EP2451890A1 Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families |
| 05/16/2012 | EP2451889A1 Dispersion compositions with nonionic surfactants for use in petroleum recovery |
| 05/16/2012 | EP2451888A1 Self healing filter-cake removal system for open hole completions |
| 05/16/2012 | EP2451887A1 Emulsion stabilizing agents for drilling and completion fluids |
| 05/16/2012 | EP2451886A1 Ultra high viscosity pill and methods for use with an oil-based drilling system |
| 05/16/2012 | EP2451885A1 Improving friction reducer performance in water containing multivalent ions |
| 05/16/2012 | EP2318568B1 Corrosion inhibitors having increased biological degradability and minimized toxicity |
| 05/16/2012 | EP2197975B1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 05/16/2012 | CN1988970B Process for stimulating production of methane from petroleum in subterranean formations |
| 05/16/2012 | CN102459503A 增粘剂预涂覆的颗粒 Tackifier precoated particles |
| 05/16/2012 | CN102459502A 井眼流体添加剂及其制备方法 Wellbore fluid additive and its preparation method |
| 05/16/2012 | CN102459501A 氟化聚合物微粒及其作为降低流体损失的添加剂的用途 Fluorinated polymer microparticles and their use as fluid loss reducing additives |
| 05/16/2012 | CN102454396A Method for profile control by using formation polymer in offshore oil field polymer flooding process |
| 05/16/2012 | CN102453481A Acidic visco-elastic fluid, its preparation method and application thereof |
| 05/16/2012 | CN102453480A Clean viscous acid for acid fracturing of carbonate reservoir |
| 05/16/2012 | CN102453479A Sulfated cellulose ether-acrylamide graft copolymer, preparation method and application thereof |