| 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) |
|---|
| 08/28/2013 | CN102585798B Spinel high-strength petroleum fracturing proppant and production method thereof |
| 08/28/2013 | CN102504781B Oil and water well sealing and plugging agent and preparation method thereof |
| 08/28/2013 | CN102432749B Amphipol and application thereof |
| 08/28/2013 | CN102424746B Strongly inhibitory solid-free polyamine-formate drilling fluid system |
| 08/28/2013 | CN102311726B Method for preparing fluid loss agent |
| 08/28/2013 | CN102257094B Improvement in enhanced oil recovery by polymer without supplementary equipment or product |
| 08/28/2013 | CN102137726B Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins |
| 08/28/2013 | CN102031942B On-site construction process of water base barite liquid plugging agent with heat sensitive characteristic |
| 08/28/2013 | CN102007193B Powder coated proppant and method of making the same |
| 08/28/2013 | CA2806349A1 Methods of using cellulose in various oilfield applications |
| 08/27/2013 | US8518861 Solid zirconium-based cross-linking agent and use in oil field applications |
| 08/27/2013 | US8517122 Air/water separator and methods of use thereof |
| 08/27/2013 | CA2704432C Copolymer based on a compound comprising sulfonic acid |
| 08/27/2013 | CA2630033C Composition and method for thickening heavy aqueous brines |
| 08/27/2013 | CA2618817C Oil recovery process employing amphoteric surfactants |
| 08/27/2013 | CA2547919C Viscoelastic surfactant gels with reduced salt concentration |
| 08/27/2013 | CA2516163C High viscosity xanthan polymer preparations |
| 08/24/2013 | CA2769070A1 A method for determining the level of asphaltene flocculation in a stream |
| 08/22/2013 | WO2013123207A2 Methods and compositions comprising cement kiln dust having an altered particle size |
| 08/22/2013 | WO2013123104A1 PROCESS FOR HYDRAULIC FRACTURING WITH pH CONTROL |
| 08/22/2013 | WO2013122775A1 Use of neutral-density particles to enhance barite sag resistance and fluid suspension transport |
| 08/22/2013 | WO2013122772A1 Methods relating to predicting subterranean formation damage from deformable additives |
| 08/22/2013 | WO2013120843A1 Clay-swelling inhibitor, compositions comprising said inhibitor and processes using said inhibitor |
| 08/22/2013 | WO2013120806A1 Improved corrosion resistance when using chelating agents in carbon steel-containing equipment |
| 08/22/2013 | WO2013120636A1 Use of terpolymers as fluid loss additives in well cementing |
| 08/22/2013 | WO2013095934A3 Drilling fluids comprising farnesane and/or farnesene |
| 08/22/2013 | US20130217604 Drilling fluid containing a surfactant having a high boiling point and a long chain tail group |
| 08/22/2013 | US20130217603 Use of neutral-density particles to enhance barite sag resistance and fluid suspension transport |
| 08/22/2013 | US20130217602 Lubricating Compositions for Use with Downhole Fluids |
| 08/22/2013 | US20130213665 Apparatus Including Water-Soluble Material for Use Downhole |
| 08/22/2013 | US20130213659 Breaker and displacement fluid |
| 08/22/2013 | US20130213657 Hybrid Aqueous-Based Suspensions for Hydraulic Fracturing Operations |
| 08/22/2013 | US20130213651 Mitigation of h2s in steam injection technology using amines of natural origin |
| 08/22/2013 | DE102012003224A1 Bohrspülflüssigkeit, Verwendung und Verfahren unter Verwendung der Bohrspülflüssigkeit Drilling fluid, use and method using the drilling fluid |
| 08/21/2013 | EP2628894A1 Polyelectrolyte complexes for oil and gas applications |
| 08/21/2013 | EP2627728A1 Water injection systems and methods |
| 08/21/2013 | EP2627727A2 Light weight proppant with improved strength and methods of making same |
| 08/21/2013 | EP2627726A2 Clay inhibitors for the drilling industry |
| 08/21/2013 | EP2627683A1 Fluoroelastomers |
| 08/21/2013 | CN1757622B 2-hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents |
| 08/21/2013 | CN103261482A Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors |
| 08/21/2013 | CN103261366A Ammonium salts of chelating agents and their use in oil and gas field applications |
| 08/21/2013 | CN103261365A Compositions of viscoelastic surfactant and hydrophobically modified polymer as aqueous thickeners |
| 08/21/2013 | CN103261364A Process and fluid to improve the permeability of sandstone formations using a chelating agent |
| 08/21/2013 | CN103261363A Fluid suitable for treatment of carbonate formations containing a chelating agent |
| 08/21/2013 | CN103261362A Treatment of illitic formations using a chelating agent |
| 08/21/2013 | CN103261361A Methods for treating carbonate hydrocarbon-earing formations with fluorinated amine oxides |
| 08/21/2013 | CN103261149A Composition and method for reducing hydrate agglomeration |
| 08/21/2013 | CN103261097A Lignosulfonate grafts with an acid, ester and non-onic monomers |
| 08/21/2013 | CN103254888A Clean-water carrying fracturing supporting agent and preparation method |
| 08/21/2013 | CN103254887A Anti-drag aqueous fracturing fluid preparation |
| 08/21/2013 | CN103254886A Supermolecule multiple association cleaning fracturing fluid and preparation method thereof |
| 08/21/2013 | CN103254885A High-density fracturing fluid capable of slowing crosslinking and resisting high temperature |
| 08/21/2013 | CN103254884A High-efficient foam compound flooding agent for tertiary oil recovery and preparation method thereof |
| 08/21/2013 | CN103254883A Oil-displacing agent and oil-displacing method for enhancing recovery ratio of high-temperature, high-salinity and high-hardness reservoir crude oil |
| 08/21/2013 | CN103254882A Method for preparing oil-displacing agent by modification of alkali lignin |
| 08/21/2013 | CN103254881A Thermally-induced gel water shutoff and profile control agent and preparation method and application thereof |
| 08/21/2013 | CN103254880A Gas-extraction hole-sealing material |
| 08/21/2013 | CN103254879A Composition for anti-collapse drilling fluid capable of reducing collapse pressure, anti-collapse drilling fluid and anti-collapse method |
| 08/21/2013 | CN103254878A Slurry for bridge construction, and preparation method and application thereof |
| 08/21/2013 | CN103254394A Polyurethane grouting water-plugging reinforcement material and preparation method thereof |
| 08/21/2013 | CN103254366A Preparation method and application of polyoxyethylene-based polymer filtrate reducer |
| 08/21/2013 | CN103254348A Preparation method of capacity-increasing polyacrylate cement modifier |
| 08/21/2013 | CN102660039B Method for preparing hydrolyzed polyacrylonitrile filtrate reducer by cross-linking inorganic metal ions |
| 08/21/2013 | CN102643636B Auxiliary enhancement chemical agent for oil extraction with heat |
| 08/21/2013 | CN102618226B Saturated saline solution mud fluid taking brine as base solution and preparation method of saturated saline solution mud fluid |
| 08/21/2013 | CN102604613B Oil-based ultrafine cement paste and production method thereof |
| 08/21/2013 | CN102558435B Fluorine-containing amphiphilic polymer viscosity reducer for crude oil and preparation method thereof |
| 08/21/2013 | CN102464975B Composition for increasing recovery ratio of high-temperature and high-salt oil reservoir and preparation method thereof |
| 08/21/2013 | CN102358835B Method for preparing crosslinking agent for oil field |
| 08/21/2013 | CN102304200B Crosslinked polymer microspheres and preparation method thereof |
| 08/21/2013 | CN102140334B Oil-in-water drilling fluid suitable for different kinds of furnish preparation water and oils |
| 08/21/2013 | CN102134476B Hydrophobic temporary plugging drilling fluid |
| 08/21/2013 | CN102037095B Mitigation of elemental sulfur deposition during production of hydrocarbon gases |
| 08/21/2013 | CN101979456B Seawater-based well completion fluid |
| 08/21/2013 | CN101970601B Method and composition for enhanced hydrocarbons recovery |
| 08/21/2013 | CN101595199B Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 08/21/2013 | CN101547999B Dispersions of polymer oil additives |
| 08/20/2013 | US8513330 Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use |
| 08/20/2013 | US8513168 Method and composition for enhanced hydrocarbons recovery |
| 08/20/2013 | US8513167 Methods of using polysaccharide based cement additives |
| 08/20/2013 | US8513166 Low temperature hydrocarbon gel |
| 08/20/2013 | US8511381 High solids content slurry methods and systems |
| 08/15/2013 | WO2013119890A1 Compositions and methods for treatment of well bore tar |
| 08/15/2013 | WO2013119759A1 Rapidly inverting water-in-oil polymer emulsions |
| 08/15/2013 | WO2013119507A1 Method of fracturing using ultra lightweight proppant suspensions and gaseous streams |
| 08/15/2013 | WO2013119343A2 A treatment fluid containing a corrosion inhibitor of a weak base |
| 08/15/2013 | WO2013117741A1 Enhanced oil recovery process using low salinity water |
| 08/15/2013 | WO2013116921A1 Use of nanoparticles as a lubricity additive in well fluids |
| 08/15/2013 | WO2013116920A1 Novel nanoparticle-containing drilling fluids to mitigate fluid loss |
| 08/15/2013 | US20130210686 Treatment fluid containing a corrosion inhibitor of a weak base |
| 08/15/2013 | US20130210685 Consolidating Spacer Fluids and Methods of Use |
| 08/15/2013 | US20130210684 Method of removing water-based filter cake |
| 08/15/2013 | US20130210683 Method for Drilling Using a Drilling and Completion Fluid Comprising a Phosphate Based Blend |
| 08/15/2013 | US20130206479 Drilling fluid and method for drilling in coal-containing formations |
| 08/15/2013 | US20130206416 Earth Metal Peroxide Fluidized Compositions |
| 08/15/2013 | US20130206413 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 08/15/2013 | US20130206408 Light Weight Proppant With Improved Strength And Methods Of Making Same |
| 08/15/2013 | US20130206407 Permeable fracturing material |
| 08/14/2013 | EP2625244A1 Enzyme breakers and methods for fluid systems |