| 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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| 12/27/2007 | WO2007060581A3 Method and composition of preparing polymeric fracturing fluids |
| 12/27/2007 | US20070298979 Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants |
| 12/27/2007 | US20070298978 Compositions and Methods for Controlling Fluid Loss |
| 12/27/2007 | US20070298977 Degradable particulate generation and associated methods |
| 12/27/2007 | US20070298976 Surfactant materials and coatings for weighting agents for use in oil based drilling fluids |
| 12/27/2007 | US20070298479 Process For Stimulating Production Of Hydrogen From Petroleum In Subterranean Formations |
| 12/27/2007 | US20070295368 Surfactant System Method |
| 12/27/2007 | CA2656513A1 Stuck drill pipe additive and method |
| 12/26/2007 | EP1869285A1 Compositions and use of mono-and polyenoic acids for breaking ves-gelled fluids |
| 12/26/2007 | EP1869139A1 Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids |
| 12/26/2007 | EP1869138A2 Drilling fluid containing hydrophobin |
| 12/26/2007 | EP1869137A1 Methods of using wellbore servicing fluids comprising resilient material |
| 12/26/2007 | CN101094969A Remote delivery of latex drag-reducing agent |
| 12/26/2007 | CN101092602A Viscosity reduction bacteria for increasing recovery ratio of petroleum, and application |
| 12/26/2007 | CN101092559A Water flooding added agent in use for watering oil field, and preparation method |
| 12/26/2007 | CN101092558A Viscosity reducting, de-waxing, deoiling auxiliary agent in use for extracting petroleum, and preparation method |
| 12/26/2007 | CN101092557A Method and formula for plugging cracks, solution holes, hollow spaces, and pores on sub stratum |
| 12/26/2007 | CN101092556A Oil soluble cationic broad-spectrum temporary blocking agent in use for drilling fluid |
| 12/26/2007 | CN101092555A Method for preparing drilling diluter of TARA sulfonated tannin |
| 12/26/2007 | CN101092461A Technical Method for preparing antidrag polymer reacted by fractional packs |
| 12/26/2007 | CN100357387C Water-base fracturing fluid with low harm to permeability of reservoir bed and diversion capability of crack |
| 12/26/2007 | CN100357356C Low fluorescence and sinking-proof type asphalt and its prodn. method |
| 12/25/2007 | US7312184 for improving oil recovery from a reservoir by reducing viscosity; comprising: a fatty acid alkyl ester; at least one of a surfactant and a colloid; and an acid |
| 12/25/2007 | US7312183 Shale hydration inhibition agent and method of use |
| 12/25/2007 | US7311158 Silicate-containing additives for well bore treatments and associated methods |
| 12/25/2007 | US7311145 Re-use of recovered treating fluid |
| 12/21/2007 | WO2007146865A1 Non aqueous gel for wellbore strenghthening |
| 12/21/2007 | WO2007146067A2 Drilling fluid additive and base fluid compositions of matter containing b100 biodiesels; and applications of such compositions of matter in well drilling, completion, and workover operations |
| 12/21/2007 | WO2007145735A2 Method for fabricating compressible objects for a variable density drilling mud |
| 12/21/2007 | WO2007145734A2 Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud |
| 12/21/2007 | WO2007145731A2 Compressible objects combined with a drilling fluid to form a variable density drilling mud |
| 12/20/2007 | US20070293404 Subterranean Treatment Methods using Methanol Containing Foams |
| 12/20/2007 | US20070293403 Chemical Wash Compositions for Removing Drilling Fluids |
| 12/20/2007 | US20070293402 Highly branched polymeric materials as coating on weighting agents |
| 12/20/2007 | US20070293401 Highly branched polymeric materials as surfactants for oil-based muds |
| 12/20/2007 | US20070289818 Expandable Tubular Lubrication |
| 12/20/2007 | US20070289781 Consolidating agent emulsions and associated methods |
| 12/19/2007 | EP1866568A1 Wax-containing materials |
| 12/19/2007 | EP1866519A2 Method of recycling fracturing fluids using a self-degrading foaming composition |
| 12/19/2007 | EP1730384A4 Clay stabilization in sub-surface formations |
| 12/19/2007 | EP0835296B1 Drilling compositions and methods |
| 12/19/2007 | CN101089118A Acidifying agent composition |
| 12/19/2007 | CN101089117A Acid resistant foamed plugging agent |
| 12/19/2007 | CN101089116A Adaptive leak preventing and stopping agent for drilling fluid |
| 12/19/2007 | CN101089115A Self-cementing chemical leak-stopping agent for drilling and its prepn process |
| 12/19/2007 | CN101089114A Salt-containing separating liquid system and its prepn process |
| 12/19/2007 | CN100355854C Dispersion dehydration-reducing agent for oil field well cementation and its preparing method |
| 12/18/2007 | CA2405049C Method of generating gas bubbles in oleaginous liquids |
| 12/18/2007 | CA2382853C Aqueous gelled composition comprising a block copolymer including at least a water soluble block and a hydrophobic block |
| 12/18/2007 | CA2334782C Method for preventing deposits in oil extraction |
| 12/13/2007 | WO2007143749A1 Surfactant materials and coatings for weighting agents for use in oil based drilling fluids |
| 12/13/2007 | WO2007143524A1 Self-hydrating, self-crosslinking guar compositions and methods |
| 12/13/2007 | WO2007141731A1 Thermoviscoelastic system fluid and well treatment method |
| 12/13/2007 | WO2007141524A1 Improved acidic treatment fluids and associated methods |
| 12/13/2007 | WO2007141519A2 Silicone-tackifier matrixes and methods of use thereof |
| 12/13/2007 | WO2007141507A1 Downhole servicing compositions having high thermal conductivitbes and methods of using the same |
| 12/13/2007 | WO2007092150A3 High temperature filtration control using water based drilling fluid systems comprising water soluble polymers |
| 12/13/2007 | WO2007090766A3 Method for controlling the thickening of aqueous systems |
| 12/13/2007 | US20070287767 Non aqueous gel technology |
| 12/13/2007 | US20070287640 Hydrophobically modified fluid loss additives and viscosifier products |
| 12/13/2007 | US20070287639 Sealant compositions comprising colloidally stabilized latex and methods of using the same |
| 12/13/2007 | US20070287638 Use of dicarbonyl compounds for increasing the thermal stability of biopolymers in the field of oil and gas exploration |
| 12/13/2007 | US20070287637 Additive for increasing the density of an oil-based fluid and fluid comprising such additive |
| 12/13/2007 | US20070287636 some or all of the polyalphaolefin is replaced with an alternative formulation ingredient that is derived from non-petrochemical feedstocks, less expensive, and substantially more biodegradable |
| 12/13/2007 | US20070284105 Polyvinyl alcohol fluid loss additive with improved rheological properties |
| 12/13/2007 | US20070284104 Fluid loss additive with improved rheological properties |
| 12/13/2007 | US20070284102 Dissolved aluminium salt capable of hydrolysis, in use, to form a gel,wherein the solution of said aluminium salt containing suspended inorganic particles comprising alumina coated silica; for hydrocarbon wells |
| 12/13/2007 | US20070284100 Injecting a dispersion of seed particles of insoluble sulfates of barium, calcium in an aqueous medium into a hydrocarbon gas well; equivalent spherical diameter most preferably 100% less than 25 nm; percolating; controlled precipitation onto the seed particles, not the walls;antiscaling agents |
| 12/13/2007 | CA2721480A1 Downhole servicing compositions having high thermal conductivities and methods of using the same |
| 12/13/2007 | CA2653962A1 Self-hydrating, self-crosslinking guar compositions and methods |
| 12/13/2007 | CA2653097A1 Improved acidic treatment fluids and associated methods |
| 12/12/2007 | EP1863890A1 Fluid loss control additive and cement compositions comprising same |
| 12/12/2007 | CN101085914A Method for preparing acid-resistant pressing crack supporting agent from red mud |
| 12/12/2007 | CN101085913A Method for preventing ternary composite drive produced well killing well mud from flocculating |
| 12/12/2007 | CN101085912A Water lettuce plant viscosity reductant and producing method |
| 12/12/2007 | CN100354501C Compositions and methods for treating a subterranean formation |
| 12/12/2007 | CN100354258C Bialkylbiphenyl sodium disulfonate, and its preparing method |
| 12/11/2007 | US7306035 Process for treating a formation |
| 12/11/2007 | CA2363583C Fracturing process and composition |
| 12/06/2007 | WO2007137709A1 Drilling muds with low toxicity |
| 12/06/2007 | US20070281871 Self-hydrating, self-crosslinking guar compositions and methods |
| 12/06/2007 | US20070281870 Stimuli-degradable gels |
| 12/06/2007 | US20070281869 Thermoviscoelastic System Fluid and Well Treatment Method |
| 12/06/2007 | US20070281868 for industrial and/or subterranean operations; well bores |
| 12/06/2007 | US20070281866 mixed with liquid hydrocarbons; industrial scale; heat resistance; biodegradable, environmentally friendly |
| 12/05/2007 | EP1862523A1 Low toxicity drilling fluid |
| 12/05/2007 | CN101081976A Fire-resistant non-injury fracturing fluid thickening agent and preparation method and usage thereof |
| 12/05/2007 | CN101081975A Novel well cementing postposition liquid |
| 12/05/2007 | CN100352884C Oil well acidification composition |
| 12/05/2007 | CA2838365A1 Recycling hydrocarbon hydraulic stimulation fluid |
| 12/05/2007 | CA2767103A1 Recycling hydrocarbon hydraulic stimulation fluid |
| 12/05/2007 | CA2566070A1 Recycling hydrocarbon hydraulic stimulation fluid |
| 12/04/2007 | US7304019 For use in oilfield treatments; water-soluble materials in non-aqueous carrier fluids using suspension agents that include organophilic clays; surfactant-free |
| 12/04/2007 | US7303018 Introducing amidoamine oxide gelling agent and an acid, water and/or brine, and a gas; diverting the flow of the acid stage from high permeability portions of the formation to low permeability portions of the formation, generating a gelled viscoelastic foam, |
| 12/04/2007 | US7303013 Method for reducing density of a system fluid and for performing drilling operations using a reduced density system fluid comprising aerogel |
| 12/04/2007 | US7303012 Propped fracture with high effective surface area |
| 12/04/2007 | CA2490077C Method for treating subterranean formation |
| 12/04/2007 | CA2326714C New and improved drilling fluids and additives therefor |
| 11/29/2007 | WO2007136798A2 Oxidized guar for oilfield servicing fluids |
| 11/29/2007 | WO2007135617A1 Tight formation water shut off method with silica gel |