| 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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| 03/07/2013 | CA2840368A1 Systems, materials, and methods for recovering material from bedrock using supercritical argon compositions |
| 03/06/2013 | EP2564020A2 Method and system for treating a subterranean formation |
| 03/06/2013 | EP2563874A1 Use of halogenated benzoic acids for labelling injection water |
| 03/06/2013 | CN102953067A Decalcification Mannich base corrosion inhibitor, and preparation and application thereof |
| 03/06/2013 | CN102952537A Medium-density ceramsite proppant and preparation method thereof |
| 03/06/2013 | CN102952536A Multifunctional self diverting acid |
| 03/06/2013 | CN102952535A Self heat-generating and gas-generating clean fracturing fluid |
| 03/06/2013 | CN102952534A Low-damage fracturing fluid and fracturing method |
| 03/06/2013 | CN102952533A Composite cross-linked polymer weak gel oil displacement agent and preparation method thereof |
| 03/06/2013 | CN102952532A Method for improving viscosity stability of oil field polymer flooding |
| 03/06/2013 | CN102952531A Surfactant for displacing oil of offshore oilfield and preparation method thereof |
| 03/06/2013 | CN102952530A Retarder for cementing of oil and gas well |
| 03/06/2013 | CN102952529A Solid-phase-free water-based microbubble drilling fluid |
| 03/06/2013 | CN102952528A Degradable drilling fluid lubricant and preparation method thereof |
| 03/06/2013 | CN102952527A Asphalt water-based drilling fluid additive and preparation method thereof |
| 03/06/2013 | CN102952526A High-softening point emulsified asphalt water-based drilling fluid additive and preparation method thereof |
| 03/06/2013 | CN102952051A 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and refining method thereof |
| 03/06/2013 | CN102952046A 2-acrylamide-2-methylpropanesulfonic acid (AMPS) crude product and refining method thereof |
| 03/06/2013 | CN102952023A Star-shaped hydrate anti-agglomerant and its preparation method |
| 03/06/2013 | CN102344784B Synthetic method of small cation with agglomeration preventing function for drilling in oil field |
| 03/06/2013 | CN102220117B Bioactivity oil displacement agent for improving recovery ratio in ultra-low permeability oilfields |
| 03/06/2013 | CN102127414B Microemulsion-type fracture acidizing cleanup additive, and preparation method and application thereof |
| 03/06/2013 | CN102115514B Preparation method of acid liquor thickening agent |
| 03/06/2013 | CN102061159B High-density high-strength fracturing propping agent for oil and gas wells and preparation method thereof |
| 03/06/2013 | CN101915079B Integrated de-plugging yield increasing process |
| 03/06/2013 | CN101871341B Method for improving thick oil recovery ratio |
| 03/06/2013 | CN101838529B Enzymatic on-site deep acidizing fluid for oil and gas fields and application thereof |
| 03/06/2013 | CN101684406B Anti-salt temperature-resistant high-efficient oil-displacing agent applicable to low pressure and low permeability and preparation method thereof |
| 03/06/2013 | CN101624515B Organic clay with high jellification rate in white oil and preparation method thereof |
| 03/05/2013 | US8389763 Methods of making polyboronic compounds and compositions related thereto |
| 03/05/2013 | US8389456 Low interfacial tension surfactants for petroleum applications |
| 03/05/2013 | US8389448 Anionic ether amines and process for using same |
| 03/05/2013 | US8389447 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties |
| 03/05/2013 | US8389446 Swellable polymers with hydrophobic groups |
| 03/05/2013 | US8387723 Drilling fluid and method for drilling in coal-containing formations |
| 03/05/2013 | US8387695 Compositions and processes for downhole cementing operations |
| 02/28/2013 | WO2013028343A1 Wellbore servicing fluids and methods of making and using same |
| 02/28/2013 | WO2013028254A1 Method of using fracturing fluids containing carboxyalkyl tamarind |
| 02/28/2013 | WO2013026108A1 Perforating fluid composition |
| 02/28/2013 | WO2012176000A3 Wellbore fluid |
| 02/28/2013 | US20130053285 Drag-reducing agent for use in injection water at oil recovery |
| 02/28/2013 | US20130053284 Modular Roller Oven and Associated Methods |
| 02/28/2013 | US20130053283 Alternative ligand formulations for cellulose products |
| 02/28/2013 | US20130048292 Method of using fracturing fluids containing carboxyalkyl tamarind |
| 02/28/2013 | US20130048286 Methods for Determining Reactive Index for Cement Kiln Dust, Associated Compositions, and Methods of Use |
| 02/28/2013 | US20130048283 Subterranean Reservoir Treatment Method |
| 02/28/2013 | US20130048281 Wellbore servicing fluids and methods of making and using same |
| 02/28/2013 | US20130048080 Transport method, transport mixture and transport system for the pressurised transport of carbon dioxide and use of a treatment mixture |
| 02/28/2013 | CA2846045A1 Wellbore servicing fluids and methods of making and using same |
| 02/27/2013 | EP2561174A1 Method and composition for treating fluids before injection into subterranean zones |
| 02/27/2013 | EP2561036A1 Method for producing mineral oil using surfactants based on a mixture of c32-guerbet-, c34-guerbet-, c36-guerbet-containing alkyl alkoxylates |
| 02/27/2013 | EP2561035A1 Process for the removal of deposits from an oil or gas well, and/or from the surface structures, and/or from the equipment connected therewith, and/or from hydrocarbon bearing formations |
| 02/27/2013 | EP2561034A1 Use of csh suspensions in cementing wells |
| 02/27/2013 | EP2561033A1 Expandable elastomeric material in the presence of water or oil |
| 02/27/2013 | CN102947413A Proppants for use in hydraulic fracturing of subterranean formations |
| 02/27/2013 | CN102947412A Oil recovery |
| 02/27/2013 | CN102942917A Ceramsite proppant prepared from light-burned low-grade bauxite and preparation method thereof |
| 02/27/2013 | CN102942916A Ultra-low density ceramsite proppant and preparation method thereof |
| 02/27/2013 | CN102942915A Proppant used for oil and gas well exploitation and preparation method thereof |
| 02/27/2013 | CN102942914A Hydrogenation heat gas chemical yield increasing solution component for low-permeability carbonate reservoir oil well |
| 02/27/2013 | CN102942913A Hydrogenation heat gas chemical yield increasing solution component applied to shallow well |
| 02/27/2013 | CN102942912A Hydrogenation heat gas chemical yield increasing solution component for low-permeability sandstone reservoir oil well |
| 02/27/2013 | CN102942911A Hydrogenation hot gas chemical yield increasing solution component applied to low-yield low-permeability oil well |
| 02/27/2013 | CN102942910A Surfactant for enhancing oil recovery factor |
| 02/27/2013 | CN102942909A Application of single surfactant in ultra low permeability reservoir oil deposit chemical displacement of reservoir oil |
| 02/27/2013 | CN102942908A Water injected pitting-corrosion composite inhibitor and application thereof |
| 02/27/2013 | CN102942907A Novel profile control rapid degradation liquid |
| 02/27/2013 | CN102942702A Synthetic method of molecular weight controllable non-ionic polyacrylamide for well fracturing reformation |
| 02/27/2013 | CN102942677A Flame-retardant low-heat-release type gas extraction drilled hole plugging material and preparation method thereof |
| 02/27/2013 | CN102942493A Terquaternary cation surface active agent and preparation method |
| 02/27/2013 | CN102942368A Method for preparing high-strength petroleum fracturing propping agent from low-grade bauxite |
| 02/27/2013 | CN102942334A Film-coated modified propping agent, and preparation method and application thereof |
| 02/27/2013 | CN102464782B Thermo-thickening water-soluble tricopolymer, its preparation method and application |
| 02/27/2013 | CN102464781B Thermothickening terpolymer, its preparation method and application |
| 02/27/2013 | CN102382327B Cyclodextrin modified hindered phenol derivative stabilizing agent and preparation method thereof |
| 02/27/2013 | CN102153996B Metakaolin-based geopolymer for oil-gas reservoir well cementation and swelling agent thereof |
| 02/27/2013 | CN102146280B Controllable expanded plugging agent |
| 02/27/2013 | CN102050917B Macromolecular compound containing aliphatic tertiary amine group as well as preparation method thereof and application in oil displacement agent |
| 02/27/2013 | CN101724386B Low-temperature filling sand control agent |
| 02/26/2013 | US8383560 Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (EOR) |
| 02/26/2013 | US8383559 Releasable corrosion inhibitors |
| 02/26/2013 | US8383558 Oilwell sealant compositions comprising alkali swellable latex |
| 02/26/2013 | US8383557 Dual-functional breaker for hybrid fluids of viscoelastic surfactant and polymer |
| 02/26/2013 | US8383556 High carrying capacity temperature-stable breakable gel for well drilling, completion, and other uses |
| 02/26/2013 | US8383555 Well fluid comprising a fluorinated liquid phase |
| 02/26/2013 | US8381813 Methods for servicing subterranean wells |
| 02/26/2013 | US8381811 Method of enhancing adsorption of an inhibitor onto a wellbore region |
| 02/26/2013 | CA2720783C Clean fluid systems for partial monolayer fracturing |
| 02/21/2013 | WO2012174527A3 Composition of polybutadiene-based formula for downhole applications |
| 02/21/2013 | US20130045902 Composition and method for recovering heavy oil |
| 02/21/2013 | US20130045901 Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants |
| 02/21/2013 | US20130045900 Meta crosslinked benzyl polymers |
| 02/21/2013 | US20130045899 Compositions And Methods To Stabilize Acid-In-Oil Emulsions |
| 02/21/2013 | US20130045898 Polyester amide foamers |
| 02/21/2013 | US20130045897 Amphiphilic nanoparticle, composition comprising same and method of controlling oil spill using amphiphilic nanoparticle |
| 02/21/2013 | US20130045896 Emulsified polymer drilling fluid and methods of preparation |
| 02/21/2013 | US20130045052 System and method for treating an excavation activity |
| 02/20/2013 | EP2559844A2 Method for transporting crude oil from subterranean storage areas |
| 02/20/2013 | EP2558678A2 High strength dissolvable structures for use in a subterranean well |
| 02/20/2013 | EP2558546A1 Guerbet alcohol alkoxylate surfactants and their use in enhanced oil recovery applications |