| 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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| 08/09/2006 | CN1814692A Carboxyl-betaine and sulfosalt surfactant formula system and use in the third oil-production |
| 08/09/2006 | CN1814691A Surfactant formula system compounded by ampho-surfactant and use in the third oil production |
| 08/09/2006 | CN1814690A Polymer solution with special seepage characteristic, and preparing method |
| 08/09/2006 | CN1268713C Water glass high temperature blocking agent for oil production |
| 08/08/2006 | US7087556 Absence of visible separation of hydroxyethylcellulose and a sulfonic acid functional polymer after standing in ambient solution for 3 months, solubility reading of < 20 nephelometric turbidity units and concentration of 2.5% |
| 08/08/2006 | US7087555 Suspension of graphite particles ; controlling particle sizes |
| 08/08/2006 | US7087554 Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations |
| 08/08/2006 | US7086469 Increasing reaction efficiency of acetic acid |
| 08/08/2006 | US7086468 In situ thermal processing of a hydrocarbon containing formation using heat sources positioned within open wellbores |
| 08/08/2006 | US7086466 Use of substantially hydrated cement particulates in drilling and subterranean applications |
| 08/03/2006 | WO2006079902A1 Cement retardant |
| 08/03/2006 | WO2006079780A1 Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
| 08/03/2006 | WO2006079778A1 Metallic soaps of modified tall oil acids |
| 08/03/2006 | WO2006079777A1 Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
| 08/03/2006 | WO2006079776A1 Self-degrading fibers and associated methods of use and manufacture |
| 08/03/2006 | WO2006079775A1 Drilling fluids containing biodegradable organophilic clay |
| 08/03/2006 | WO2005118741A3 Surge device for air drilling |
| 08/03/2006 | US20060172895 Degradable particulate generation and associated methods |
| 08/03/2006 | US20060172894 Degradable particulate generation and associated methods |
| 08/03/2006 | US20060172893 Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
| 08/03/2006 | US20060169809 Method and system for harvesting weighting agent fines |
| 08/03/2006 | US20060169176 Processes for incorporating inert gas in a cement composition containing spherical beads |
| 08/03/2006 | DE102005003569A1 Use of aqueous dispersions for tertiary petroleum production involves using water-soluble polymer in form of dispersion of water-soluble polymer and at least one water-soluble polymer stabilizer |
| 08/03/2006 | DE102005002806A1 Hydrolytisch und hydrothermal beständige konsolidierte Proppants und Verfahren zu deren Herstellung Hydrolytically and hydrothermally stable consolidated proppants and their methods of manufacture |
| 08/03/2006 | CA2595980A1 Methods and compositions relating to the hydrolysis of water-hydrolysable materials |
| 08/02/2006 | EP1686101A1 Cement retardant |
| 08/02/2006 | EP1527148B1 Lubricants for drilling mud containing silicic acid |
| 08/02/2006 | EP1442198B1 Method of fracturing a subterranean formation using gelling acids |
| 08/02/2006 | CN1810918A Intramolecular Al cross-linked polymer gel and its prepn |
| 08/02/2006 | CN1810917A Alkyl double-benzene surfactant and its recipe and application in tertiary oil recovery |
| 08/02/2006 | CN1810916A Cement permeation promoter for oil and gas well |
| 08/02/2006 | CN1810915A Comprehensive performace regulator for well cementing cement slurry and its prepn |
| 08/02/2006 | CN1810846A Prepn of polymerisable non-ionic block polyurethane surfactant |
| 08/02/2006 | CN1810788A Compound and its synthesis process and application |
| 08/02/2006 | CN1267621C Method for treating hydrocarbon-containing formation and producing hydrocarbon and energy sources |
| 08/01/2006 | US7084096 Comprising alkaline borate particles, low molecular weight polyether and an hydrogenated castor oil or wax stabilizer, for use crosslinking hydraulic fracturing fluid, fracturing a subterranean formation; storage stability |
| 08/01/2006 | US7084095 Polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of |
| 08/01/2006 | US7084094 Process for altering the relative permeability if a hydrocarbon-bearing formation |
| 08/01/2006 | US7084093 Adding to an aqueous fluid gelled with a polysaccharide, at least one low molecular polyol, and adding to the to above flfuid an effective amount of metal ion to catalyze the polyol to break down the polymer backbone directly |
| 08/01/2006 | US7084092 Dirilling, cementing, workover, fracturing ; using an amine compound containing ether groups; reacting (tri or di) ethanolamine with acrylonitrile; antiswelling agent |
| 08/01/2006 | US7082995 Methods and compositions for reducing the viscosity of treatment fluids |
| 07/27/2006 | WO2006078723A2 Microemulsion containing oilfield chemicals useful for oil and gas field applications |
| 07/27/2006 | WO2006077558A1 Energized fluids and methods of use thereof |
| 07/27/2006 | WO2006077374A1 A sealant composition comprising a crosslinkable material and a reduced amount of cement for a permeable zone downhole |
| 07/27/2006 | WO2006077372A1 Spotting fluid compositions and associated methods |
| 07/27/2006 | WO2006077125A1 Hydrolytically and hydrothermally stable consolidation or modification of the wetting behavior of geological formations |
| 07/27/2006 | WO2006077123A1 Hydrolytically and hydrothermally stable consolidated proppants and method for the production thereof |
| 07/27/2006 | WO2006018598A3 Stable and biodegradable foamed cement slurries, additives and methods |
| 07/27/2006 | US20060167133 Sealant composition comprising a crosslinkable material and a reduced amount of cement for a permeable zone downhole |
| 07/27/2006 | US20060166840 organoclay treated with a quaternary ammonium cationic surfactant having an amide linkage; undergoes aerobic biodegradation, nontoxic, environmetally friendly |
| 07/27/2006 | US20060166839 Treated with quaternary ammonium surfactants having at least two amide linkages; preventing marine environment and groundwater contamination |
| 07/27/2006 | US20060166838 Method of preparing microparticles |
| 07/27/2006 | US20060166837 Methods of treating subterranean formations with heteropolysaccharides based fluids |
| 07/27/2006 | US20060166836 Hydraulic fracturing, well cleanup, gravel packing; improved rheology for proppant suspension, transport properties; stability against phase separation at high temperatures; a gas, a heteropolysaccharide having a tetrasaccharide backbone, an electrolyte (KCl), a surfactant, and an oligoethyleneoligoamine |
| 07/27/2006 | US20060166835 Oil field chemical-containing microemulsion includes non-aqueous internal phase that contains oil field chemical such as corrosion inhibitor, where chemical also has surfactant property and is present in an amount effective to form stable microemulsion of droplets of internal phase in external phase |
| 07/27/2006 | US20060166834 Subterranean treatment fluids comprising substantially hydrated cement particulates |
| 07/27/2006 | US20060166833 Additive for drilling fluids |
| 07/27/2006 | US20060162928 Process for treating a formation |
| 07/27/2006 | US20060162926 Methods of using substantially hydrated cement particulates in subterranean applications |
| 07/27/2006 | DE102005003555A1 Bohrspül-Additiv Drilling fluid additive |
| 07/26/2006 | EP1682630A1 Use of cmc in drilling fluids |
| 07/26/2006 | EP1276967B1 A method for treating a hydrocarbon containing formation |
| 07/26/2006 | CN1809622A Water-based drilling fluids using latex additives |
| 07/26/2006 | CN1807544A Microemulsion and its preparation method |
| 07/26/2006 | CN1807543A Fluid loss additive for boring fluid |
| 07/26/2006 | CN1807542A Temperature-resistant viscosity-reducing agent for boring fluid |
| 07/26/2006 | CN1266369C Method of improving permeability of underground petroleum-containing formation |
| 07/26/2006 | CN1266248C Oil soluble temporary blocking drilling fluid for protecting low-permeability sandstone reservoir |
| 07/25/2006 | US7081439 treating a medium to high permeability subterranean formation by injecting a thickening amount of a viscoelastic surfactant with an optional hydrophobic polymer and a mica-free, aqueous suspension of colloidal silica, alumina, antimony oxide, tin oxide, cerium oxide, yttrium oxide or zirconium oxide |
| 07/25/2006 | US7081438 drilling through tar sand using an aqueous drilling fluid containing a phosphonate or a phosphate ester of an alkanolamine as an antisticking agent; improved friction resistance |
| 07/25/2006 | US7081437 biodegradable well bore fluid blend of synthetic internal olefins and a rheology control agent; first olefin fraction contains C16 to C18 isomers, second fraction contains C15 to C18 isomers, and third fraction contains C15 and C16 isomers; nontoxic |
| 07/25/2006 | US7080688 Compositions and methods for degrading filter cake |
| 07/25/2006 | CA2451585C Emulsified polymer drilling fluid and methods of preparation and use thereof |
| 07/25/2006 | CA2307105C Drilling and cementing through shallow waterflows |
| 07/20/2006 | WO2006075526A1 Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture |
| 07/20/2006 | WO2006075154A1 Degradable polymers for wellbore fluids and processes |
| 07/20/2006 | WO2006075128A1 Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions |
| 07/20/2006 | WO2006075127A1 Methods of making and using sulfonated or carboxylated polysaccharide gelling agents |
| 07/20/2006 | WO2006074555A1 Hydrocarbon recovery facilitated by in situ combustion utilizing horizontal well pairs |
| 07/20/2006 | WO2006074554A1 In situ combustion in gas over bitumen formations |
| 07/20/2006 | US20060160706 Spotting fluid compositions and associated methods |
| 07/20/2006 | US20060160705 Spotting fluid compositions and associated methods |
| 07/20/2006 | US20060157248 Well treatment with dissolvable polymer |
| 07/20/2006 | US20060157247 Additive For, Treatment Fluid For, and Method of Plugging a Tubing/Casing Annulus in a Well Bore |
| 07/20/2006 | US20060157245 Process for reducing the production of water in oil wells |
| 07/20/2006 | US20060157238 Inhibiting breakthrough of driving fluid via a permeable geological layer into an oil production well |
| 07/20/2006 | CA2593310A1 Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture |
| 07/19/2006 | EP1680572A1 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
| 07/19/2006 | EP1680478A2 Synthetic filtration control polymers for wellbore fluids |
| 07/19/2006 | EP1680477A2 Phospholipid lubricating agents in aqueous based drilling fluids |
| 07/19/2006 | EP1144542B1 Polymer cement additive, cement composition and process therewith |
| 07/19/2006 | CN1806089A Substances to stimulate the extraction of crudeoil and a method of processing them |
| 07/19/2006 | CN1804014A Dedicated thread compound for casing drilling |
| 07/19/2006 | CN1803969A Preparation method of enzyme companied production-increasing agent and its application in oilfield |
| 07/19/2006 | CN1803968A MTC well cementing liquid system |
| 07/19/2006 | CN1803967A Deep well low-density cement slurry |
| 07/19/2006 | CN1264946C Oil-displacing and sand stabilizing agent |
| 07/19/2006 | CN1264602C High-hydroscopicity polymer resin microcapsule and its production process |
| 07/18/2006 | US7078370 Biodegradable chelant compositions for fracturing fluid |
| 07/18/2006 | CA2253574C Multi-lateral wellbore systems and methods for forming same |