| 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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| 09/29/2010 | CN101845298A Oil-soluble viscosity reducer for extremely-viscous oil |
| 09/29/2010 | CN101845297A Hydrotalcite-like-cationic starch compound oil displacement system |
| 09/29/2010 | CN101845296A Salt-resistant shear-resistant deep-sea bacterium exopolysaccharide oil displacement system |
| 09/29/2010 | CN101845295A Drilling fluid tackifier favorable for protecting oil-gas layers |
| 09/29/2010 | CN101845294A Method for preparing carbonate polluting control agent using industrial waste acid water |
| 09/29/2010 | CN101845105A Synthetic method of inverse emulsion of polyacrylamide |
| 09/29/2010 | CN101336642B Inhibitor for preventing sulfate reducing bacteria corrosion |
| 09/29/2010 | CN101023242B Scale inhibition method |
| 09/28/2010 | US7803744 Viscoelastic zwitterionic surfactant and a synergistic co-surfactant polypropylene oxide and vinyl acetate-vinyl alcohol copolymer, for improving the compatibility of the viscoelastic surfactant with the carbon dioxide; use in subterranean formation |
| 09/28/2010 | US7803743 comprising oil as external phase, clear brine as internal phase, and emulsifier having an HLB of 3-8 effective to produce stable invert emulsion, external phase of gravel pack carrier fluid further comprising gravel wetting agent having HLB of 4 or less effective to render the gravel oil wet |
| 09/28/2010 | US7803742 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 09/28/2010 | US7803741 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 09/28/2010 | US7803740 polymer matrix comprises styrene-ethylvinylbenzene-divinylbenzene terpolymer; nanofiller particles comprise carbon black; increased stiffness and strength; lightweight |
| 09/28/2010 | CA2662811C Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use |
| 09/28/2010 | CA2602461C Methods of using wellbore servicing fluids comprising resilient material |
| 09/27/2010 | CA2696375A1 Additive and method for servicing subterranean wells |
| 09/23/2010 | WO2010107721A2 Well treatment fluid |
| 09/23/2010 | WO2010106308A1 Wellbore servicing compositions comprising a set retarding agent and methods of making and using same |
| 09/23/2010 | WO2010106115A1 Method of treating a borehole and drilling fluid |
| 09/23/2010 | WO2010105879A1 Viscoelastic composition with improved viscosity |
| 09/23/2010 | WO2009109625A3 Method for sealing an annular space in a wellbore |
| 09/23/2010 | US20100240803 Density-matched suspensions and associated methods |
| 09/23/2010 | US20100240802 Water-soluble and biodegradable copolymers on a polyamide basis and use thereof |
| 09/23/2010 | US20100240556 preparing composition comprising a calcium aluminate cement, water, a polyphosphate, a pozzolan, and a set retarding agent, wherein the set retarding agent comprises an alkali halide and a basic phosphate salt, placing the composition in the wellbor, and allowing the composition to set |
| 09/23/2010 | US20100236783 situ extraction process for the recovery of hydrocarbons |
| 09/23/2010 | CA2754129A1 Viscoelastic composition with improved viscosity |
| 09/22/2010 | EP2229423A1 Acidic aqueous solution containing a chelating agent and the use thereof |
| 09/22/2010 | EP2229422A1 Cement additives for oil-compatible cements |
| 09/22/2010 | CN101842551A Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants |
| 09/22/2010 | CN101842459A Method of enhancing oil recovery |
| 09/22/2010 | CN101839123A Exploitation method for wax precipitation oil reservoir |
| 09/22/2010 | CN101838530A Low-density high-strength ceramic granule propping agent and preparation method thereof |
| 09/22/2010 | CN101838529A Enzymatic on-site deep acidizing fluid for oil and gas fields and application thereof |
| 09/22/2010 | CN101838528A Environment-friendly and bio-available green fracturing fluid system |
| 09/22/2010 | CN101838527A Corrosion inhibition foaming agent for increasing yield of oil and natural gas |
| 09/22/2010 | CN101838526A Corrosion inhibiting and scale clearing scale inhibitor for oil wells |
| 09/22/2010 | CN101838525A Hard-colloid EP invert emulsion drilling fluid |
| 09/22/2010 | CN101838524A Oil soluble jam releasing agent for drilling fluid |
| 09/22/2010 | CN101220263B Water-based fracturing fluid gelatinizer and producing method thereof |
| 09/21/2010 | US7799744 Polymer coated particulates |
| 09/21/2010 | US7799743 Lost circulation additive for drilling fluids |
| 09/21/2010 | US7799742 Providing a constant rheological profile of drilling fluid at 120-40 degrees F. by adding to the fluid an oil additive of the reaction product of a di- or trimer acid and a polyamine including polyethylenimine; monitoring rheology control for new oil sources in deep water; horizontal drilling |
| 09/21/2010 | US7799741 Improving performance of a drilling mud comprising the step of adding a hydrophobin to a drilling mud as an emulsifier to emulsify the mixture of water and drilling oil;oil and natural gas wells; support both the drilling operation and the conveying of the rock splinters generated |
| 09/21/2010 | US7798221 In situ recovery from a hydrocarbon containing formation |
| 09/21/2010 | US7798219 liposomes and fluids overcome by-pass of water through oil and thereby increase supplemental recovery efficiency (RE) production of oil from the underground source; involves modifying liposomes by peroxidation and/or a procedure which processes phosphatidylethanolamine (PE) to phosphatidylcholine |
| 09/21/2010 | CA2587190C Method of cementing expandable well tubing |
| 09/21/2010 | CA2552421C Aggregating reagents, modified particulate metal-oxides, and methods for making and using same |
| 09/21/2010 | CA2406742C A method for treating a hydrocarbon containing formation |
| 09/16/2010 | WO2010105065A2 Downhole sealing device and method of making |
| 09/16/2010 | WO2010104516A1 Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials |
| 09/16/2010 | WO2010103421A1 Relative permeability modification |
| 09/16/2010 | WO2010103290A1 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high ph |
| 09/16/2010 | WO2010103245A2 Hydrodewaxed hydrocarbon fluid used in the manufacture of fluids for industrial, agricultural, or domestic use |
| 09/16/2010 | WO2010102934A1 Use of a mixture of water soluble polymers and hydrophobins for thickening aqueous phases |
| 09/16/2010 | WO2010084323A3 Process for hydrate inhibitor regeneration |
| 09/16/2010 | US20100234253 Method for reducing the viscosity of viscous fluids |
| 09/16/2010 | US20100234252 Crosslinked swellable polymer |
| 09/16/2010 | US20100234251 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH |
| 09/16/2010 | US20100234250 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH |
| 09/16/2010 | US20100234249 Methods and compositions for determination of fracture geometry in subterranean formations |
| 09/16/2010 | US20100234248 Saponified Fatty Acids as Breakers for Viscoelastic Surfactant-Gelled Fluids |
| 09/16/2010 | US20100234247 Gel assisted separation method and dewatering/desalting hydrocarbon oils |
| 09/16/2010 | US20100233375 Methods of Using Water-Superabsorbent Polymers to Reduce Heat Transfer |
| 09/16/2010 | US20100230169 Compositions and methods for inhibiting lost circulation during well operations |
| 09/16/2010 | US20100230164 Compositions and methods for inhibiting lost circulation during well operation |
| 09/16/2010 | US20100230108 Methods of Degrading Subterranean Filter Cakes |
| 09/16/2010 | US20100230106 Relative Permeability Modification |
| 09/16/2010 | US20100230102 Methods of Extending the Shelf Life of and Revitalizing Lightweight Beads for Use in Cement Compositions |
| 09/16/2010 | CA2755215A1 Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials |
| 09/16/2010 | CA2754255A1 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high ph |
| 09/16/2010 | CA2752808A1 Use of a synergistic mixture of water-soluble polymers and hydrophobins for thickening aqueous phases |
| 09/15/2010 | EP2227499A2 Graft copolymer as a gas hydrate inhibitor |
| 09/15/2010 | EP2227317A2 Emulsifier blend |
| 09/15/2010 | CN101835872A Method for treating a hydrocarbon formation |
| 09/15/2010 | CN101835871A Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 09/15/2010 | CN101835870A Drilling composition, process for its preparation, and applications thereof |
| 09/15/2010 | CN101831286A Low-density and high-strength ceramic proppant and production method thereof |
| 09/15/2010 | CN101831285A Foaming agent resisting high temperature, high salt and condensate oil for fracturing and preparation method thereof |
| 09/15/2010 | CN101831284A Clean polymer-free carrier fluid |
| 09/15/2010 | CN101831283A Water-base nano polysilicon particles, preparation method thereof and use thereof |
| 09/15/2010 | CN101831282A Separant for well cementation |
| 09/15/2010 | CN101831281A High-dispersion modified asphalt powder and preparation method thereof |
| 09/15/2010 | CN101831280A Carrier of active ingredient of defoaming agent and preparation method thereof |
| 09/15/2010 | CN101289523B Reversed phase emulsion polymerization organic-inorganic composite hydrophilic nano-microballoons, preparation and applications thereof |
| 09/14/2010 | US7795193 C6-14 branched alkyl ester of caprylic acid, capric acid, lauric acid, or myristic acid or a C1-5 alkyl or C6-14 branched alkyl ester of a palm oil-derived mixed fatty acid; excels in viscosity, fluidity, and chemical stability, and exhibits electrical characteristics of electric insulating oil |
| 09/14/2010 | US7795190 mixing tetraalkyl zirconate with alkanolamine, water and hydroxyalkylene diamine, then with boron compound in alcohol to stabilize; oil fields, plugging permeable zones and leaks of subterranean formations |
| 09/14/2010 | US7795189 Zirconium-hydroxy alkylated amine-hydroxy carboxylic acid cross-linking composition for use with high pH polymer solutions |
| 09/14/2010 | US7795188 contacting zirconium triethanolamine complex with mixture of polyols comprising hydroxyalkylated diamine and hydrocarbon polyol; oil fields, hydraulic fracturing and plugging of permeable zones of subterranean formations; well bores |
| 09/14/2010 | US7795187 cross-linking composition bistriethanolamine zirconate or tetra-triethanolamine zirconate, N,N,N',N'-tetrakis-(hydroxyisopropyl)ethylenediamine, cross-linkable polymer, water, and polyol; oil fields, hydraulic fracturing and plugging of permeable zones of subterranean formations; well bores |
| 09/14/2010 | US7795186 Fluid-loss control pills comprising breakers that comprise orthoesters and/or poly(orthoesters) and methods of use |
| 09/14/2010 | US7795185 Magnesium peroxide difunctional components for cellulose derivatives and associated methods |
| 09/14/2010 | US7795184 Altering properties of drilling fluid by adding crushed or whole oilseeds to fluid; increase in drilling fluid emulsion stability in oil-based or invert emulsion fluids, decreased specific gravity of drilling fluid, seepage loss control, reduced torque and drag of drilling string |
| 09/14/2010 | US7795183 in hydrocarbon oils and fuels; dispersant; polyallylamine, polyvinylamine or polyalkyleneimine copolymerized with a polylactam such as polystearolactam or polyricinoleic lactam |
| 09/14/2010 | CA2552422C Sand aggregating reagents, modified sands, and methods for making and using same |
| 09/14/2010 | CA2538771C Phospholipid lubricating agents in aqueous based drilling fluids |
| 09/12/2010 | CA2696388A1 Compositions and methods for inhibiting lost circulation during well operations |
| 09/10/2010 | WO2010102034A2 Method to prevent salt crystal agglomeration and settling in a drilling fluid |
| 09/10/2010 | WO2010101477A1 Hydrate inhibitors |
| 09/10/2010 | WO2010082164A3 Polymeric microspheres as degradable fluid loss additives in oilfield applications |
| 09/10/2010 | WO2010082030A3 Methods of designing treatment fluids based on solid-fluid interactions |