| 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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| 07/31/2008 | CA2676526A1 Downhole preparation and use of thixotropic cement slurries |
| 07/30/2008 | EP1950266A1 Solid gas migration control additives based on latex powders for cementing applications |
| 07/30/2008 | EP1948754A2 Composition and method for thickening heavy aqueous brines |
| 07/30/2008 | EP1532346B1 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 07/30/2008 | CN101230777A Wellbore fluids for casing drilling |
| 07/30/2008 | CN101230261A New method for oil well yield increasing and hydrogen release active reagent components |
| 07/30/2008 | CN101230260A Compound inhibitor for exploitation of oil-gas field and preparation method thereof |
| 07/30/2008 | CN101230259A High temperature resistant anti-salt solid-free environment protection drilling and completing fluids |
| 07/30/2008 | CN101230258A Water-based lubricating agent for drilling liquid and preparation method thereof |
| 07/30/2008 | CN101230257A Method for preparation of lignite resin drilling fluid loss additive |
| 07/30/2008 | CN100406482C Preparation method of haloduric thickener |
| 07/29/2008 | US7405188 Polymeric gel system and compositions for treating keratin substrates containing same |
| 07/29/2008 | US7405183 providing a treatment fluid that comprises water and a hydroxyethyl cellullose, guar derivatives or polyacrylamide,or polyacrylate gelling agent; contacting treatment fluid with a boronic acids crosslinking agent so as to form a reversibly crosslinked gelling agent; treating a subterranean formation |
| 07/29/2008 | US7405182 Composition for decreasing lost circulation during well operation |
| 07/29/2008 | CA2417004C Gas and oil drilling composition |
| 07/29/2008 | CA2148558C Process and fluid used in a well - application to drilling |
| 07/24/2008 | WO2008089391A1 Fluorinated surfactants and methods of using the same |
| 07/24/2008 | WO2008089386A2 Methods of using stable hydrocarbon foams |
| 07/24/2008 | WO2008089120A2 Aqueous solution for managing microbes in oil and gas production and method for their production |
| 07/24/2008 | WO2008088449A2 A new coating composition for proppant and the method of making the same |
| 07/24/2008 | WO2008087444A1 Compositions for increasing gas production from a subterranean formation |
| 07/24/2008 | WO2008087391A1 Methods for treating intervals of a subterranean formation having variable permeability |
| 07/24/2008 | WO2008044158A3 Internal breaker for oilfield fluids |
| 07/24/2008 | US20080176773 Well Treatment Fluid Containing Viscoelastic Surfactant and Viscosification Activator |
| 07/24/2008 | US20080176772 derived from unsaturated alcohol ethers; contain various amounts of ethylene oxide, propylene oxide and butylene oxides elected to optimize their interfacial properties with different types of crude oil with different brines |
| 07/24/2008 | US20080176771 base fluid and a cationic polyorganosiloxane, comprises at least two cationic quaternary ammonium groups; prevents water blocks |
| 07/24/2008 | US20080176770 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 07/24/2008 | US20080173452 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 07/24/2008 | CA2675349A1 Methods of using stable hydrocarbon foams |
| 07/24/2008 | CA2672843A1 A new coating composition for proppant and the method of making the same |
| 07/23/2008 | EP1947158A1 Scale control composition for high scaling environments |
| 07/23/2008 | EP1945907A2 A process for foaming a wet hydrocarbon composition |
| 07/23/2008 | EP1945734A2 Polycationic viscoelastic compositions |
| 07/23/2008 | EP1945733A1 Settable spotting compositions comprising cement kiln dust and methods of using them |
| 07/23/2008 | EP1718718B1 Soap control agent |
| 07/23/2008 | CN101228249A Drilling fluid containing hydrophobin |
| 07/23/2008 | CN101225295A Method for preparing water-soluble gas discharge drilling sealing material |
| 07/23/2008 | CN100404638C High density fracturing liquid |
| 07/23/2008 | CN100404457C Flexible cementing compositions and methods for high-temperature wells |
| 07/23/2008 | CN100404439C Oil repellents |
| 07/22/2008 | US7402549 Surfactants, betaines and quaternary amines; polyethylene glycol, polypropylene glycol block copolymer and a polynaphthalene sulfonate; increase rate of shear rehealing of fluids made with cationic, zwitterionic, amphoteric viscoelastic surfactant fluid; oil field drilling treatments, injecting |
| 07/22/2008 | US7402204 Flexible cementing compositions and methods for high-temperature wells |
| 07/22/2008 | US7401653 Substances to stimulate the extraction of crudeoil and a method of processing them |
| 07/22/2008 | CA2336566C Methods of completing unconsolidated subterranean producing zones |
| 07/22/2008 | CA2144583C Aqueous based drilling fluid additive and composition |
| 07/17/2008 | WO2008084503A1 Noncarcinogenic corrosion inhibition for oil and gas well completion & packer fluids |
| 07/17/2008 | WO2008084227A1 Surfactant wash treatment fluids and associated methods |
| 07/17/2008 | WO2008084226A2 Cement compositions comprising humic acid grafted fluid loss control additives and methods of using them |
| 07/17/2008 | WO2008084193A2 Compositions comprising sorel cements and oil based fluids and method of servicing a wellbore with the same |
| 07/17/2008 | WO2008083724A1 Dispersions of polymer oil additives |
| 07/17/2008 | WO2008083468A1 Method for terminating or reducing water flow in a subterranean formation |
| 07/17/2008 | WO2008059234A3 Surfactant compounds |
| 07/17/2008 | WO2008008697A3 Compositions, methods and uses for sterically-hindered quaternary ammonium compounds |
| 07/17/2008 | US20080171807 Replacing strongly activating t-butyl group of 4-t-butylpyrocatechol with less strongly activating groups achieves polymerization inhibitor quality with lower gel time drift; low temperature curing; fastening threaded anchor rods and sleeves, reinforcing iron, and screws in boreholes; storage stability |
| 07/17/2008 | US20080171806 Cement compositions comprising humic acid grafted fluid loss control additives |
| 07/17/2008 | US20080171672 Method and composition for enhanced hydrocarbons recovery |
| 07/17/2008 | US20080171671 Use of Ethoxylated Amidoamines as Emulsifiers in Drilling Fluids |
| 07/17/2008 | US20080171670 Oil Base Fluids and Organophilic Tannin-Containing Compositions to Lower the Fluid Loss Thereof |
| 07/17/2008 | US20080171669 Alkyl polyglycoside; alkyl alcohol; inorganic acid; formic, acetic, propronic and citric acids; betaine surfactant; cationic surfactant fluorocarbon; relatively clean drill-in-fluid filter cake at the heel of the horizontal wellbore can be broken up quickly |
| 07/17/2008 | CA2673426A1 Dispersions of polymer oil additives |
| 07/16/2008 | EP1944464A2 Method for reducing aqueous content of oil-based fluids |
| 07/16/2008 | EP1944348A1 Wellbore fluids for casing drilling |
| 07/16/2008 | EP1623089B1 Self adaptive cement systems |
| 07/16/2008 | EP1438481B8 Treating composition |
| 07/16/2008 | CN101220733A Method for improving foam well drilling efficiency by foam pre-evolution liquid device |
| 07/16/2008 | CN101220264A Method of producing acidic crosslinking agent for CO2 foam compression fracture |
| 07/16/2008 | CN101220263A Water-based fracturing fluid gelatinizer and producing method thereof |
| 07/16/2008 | CN101220262A Isolating film container horizon protective agent and manufacturing technology |
| 07/16/2008 | CN101220261A Protective agent for drilling fluids at high temperature and manufacturing technology thereof |
| 07/16/2008 | CN101220260A Method of producing novel sulfonation humic acid drilling mud modifying agent |
| 07/16/2008 | CN101220171A Method for processing polymer water uptake expansion resin |
| 07/15/2008 | US7399732 An organic quaternary ammonium surfactant, a water soluble or dispersible anionic organic salt, an acid and a low molecular weight organic solvent; for hydraulic fracturing of a subterranean formation |
| 07/15/2008 | US7399731 Electrically conductive non-aqueous wellbore fluid |
| 07/15/2008 | US7398828 Well cementing slurries containing fibers |
| 07/15/2008 | US7398826 Well treatment with dissolvable polymer |
| 07/15/2008 | CA2510241C Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| 07/15/2008 | CA2502159C Generating acid downhole in acid fracturing |
| 07/10/2008 | WO2008083063A2 Aqueous fluid and method of making and using the same |
| 07/10/2008 | WO2008082505A1 Process for stabilized zirconium triethanolamine complex and uses in oil field applications |
| 07/10/2008 | WO2008082504A1 Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applications |
| 07/10/2008 | WO2008081467A1 A process utilizing natural carbon-13 isotope for identification of early breakthrough of injection water in oil wells |
| 07/10/2008 | WO2008081158A2 Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids |
| 07/10/2008 | WO2008080565A2 Cement retarder |
| 07/10/2008 | US20080167205 for shortening the shear recovery time of cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a co-gelling agent selected from triblock oligomeric compounds having hydrophilic (for example polyether) and hydrophobic (for example alkyl) portions. |
| 07/10/2008 | CA2674127A1 A process utilizing natural carbon-13 isotope for identification of early breakthrough of injection water in oil wells |
| 07/09/2008 | CN101215466A Oil layer micro-channel anti-blocking hydraulic smoothing agent and application thereof |
| 07/09/2008 | CN101215465A Phenolic resins coating sand |
| 07/09/2008 | CN101215464A Bottom hole sedimentation type anti-scaling anti-wax agent |
| 07/09/2008 | CN101215463A Drilling hole sealing material |
| 07/09/2008 | CN101215462A Method for preparing foaming agent used for oil gas field drilling and extracting |
| 07/09/2008 | CN101215461A Complete-oil synthetic base drilling fluid |
| 07/09/2008 | CN100400618C Oil well surrounding stratum hyphobic lipophilic treating additive and its preparing method |
| 07/09/2008 | CA2573503A1 Method for terminating or reducing water flow in a subterranean formation |
| 07/08/2008 | US7396433 Process and arrangement for separating oil from oil containing materials |
| 07/08/2008 | US7395863 Method of treating a subterranean formation with an oil-based composition containing a polysaccharide-based water-superabsorbent material |
| 07/08/2008 | CA2406741C In situ recovery of hydrocarbons from a kerogen-containing formation |
| 07/08/2008 | CA2219621C Foamable gel composition |
| 07/03/2008 | WO2008079855A2 Enhanced oil recovery systems and consumer products containing secondary alcohol derivatives |
| 07/03/2008 | WO2008079852A1 Method and composition for enhanced hydrocarbons recovery |
| 07/03/2008 | WO2008077829A1 Process and polymer for preventing ba/sr scale with detectable phosphorus functionality |