| 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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| 01/23/2008 | CN100363456C Inspissated oil emulsion viscidity reducer |
| 01/23/2008 | CN100363455C Positive electricity water-base pipe-freeing concentrate and its preparation method |
| 01/23/2008 | CN100363394C Water soluble amphoteric ion copolymer and preparation process thereof |
| 01/22/2008 | US7320952 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, and amphoteric viscoelastic surfactant fluid; oil field drilling treatments |
| 01/22/2008 | US7320951 Comprising a silicate-based mud and a lubricant selected from glycosides, alkylpolyalkoxy-alcohols, alcohol ester polymers, amine phosphates and/or starch; coefficient of friction comparable to an oil- or synthetic-based mud |
| 01/22/2008 | US7320730 A mixture of a hydraulic cement and an invert emulsion of oil, water, and an emulsifying surfactant (e.g., tallow diamine substituted with 3 moles of ethylene oxide); stable for up to 3 weeks and easily displaced after being static in the well bore for more than a week |
| 01/22/2008 | CA2536957C Method of treating a formation using deformable proppants |
| 01/22/2008 | CA2431379C Methods of treating subterranean formations using solid particles and other larger solid materials |
| 01/21/2008 | CA2594464A1 Low molecular weight graft copolymers |
| 01/21/2008 | CA2594195A1 Sulfonated graft copolymers |
| 01/17/2008 | WO2008008697A2 Compositions, methods and uses for sterically-hindered quaternary ammonium compounds |
| 01/17/2008 | WO2008008625A1 Well treating materials and methods |
| 01/17/2008 | WO2008007110A1 Methods useful for controlling fluid loss in subterranean formations |
| 01/17/2008 | WO2008007079A1 Improved methods for coating particulates with tackifying compounds |
| 01/17/2008 | WO2008007040A1 Cementing compositions comprising cement kbln dust, vitrified shale, zeolite, and/or amorphous sblica utdlizing a packing volume fraction, and associated methods |
| 01/17/2008 | US20080015121 Compositions, methods and uses for sterically hindered quaternary ammonium compounds |
| 01/17/2008 | US20080015120 Application of degradable polymers in sand control |
| 01/17/2008 | US20080015118 drilling, running casing, cementing, and/or producing hydrocarbons in a subterranean formation; good stability and performance properties; cost efficiency, environmentally friendly |
| 01/17/2008 | US20080011486 Biodegradable foam compositions for oil field operations |
| 01/17/2008 | US20080011485 Reversible emulsions stabilized by amphiphilic polymers |
| 01/17/2008 | CA2659114A1 Well treating materials and methods |
| 01/17/2008 | CA2658155A1 Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods |
| 01/16/2008 | EP1877511A2 Methods of using drilling fluids containing biodegradable organophilic clay |
| 01/16/2008 | CN101107422A Methods for prodcing fluids from acidized and consolidated portions of subterranean formations |
| 01/16/2008 | CN101104794A Method for preparing highly effective anion surfactant for third oil extraction |
| 01/16/2008 | CN101104793A Oil field well cementing material added with active mineral matter |
| 01/16/2008 | CN101104665A AM/NaAA/allylcyclodextrin polymer with inclusion function and synthetic method thereof |
| 01/16/2008 | CN100362077C Silicon fluorine anti-falldown filter agent for drilling fluid |
| 01/15/2008 | CA2405391C Method for acid stimulating a subterranean well formation for improving hydrocarbon production |
| 01/15/2008 | CA2254282C Viscosifying hydrocarbon liquids |
| 01/15/2008 | CA2231555C Improved oil-based drilling fluid |
| 01/10/2008 | WO2008006065A1 Improved high performance water-based drilling fluid |
| 01/10/2008 | WO2008006061A1 Fluid loss additive for oil-based muds |
| 01/10/2008 | WO2008004911A2 Proppant and method of production |
| 01/10/2008 | WO2008003927A2 Storable nonaqueous cement slurries and methods of using same |
| 01/10/2008 | WO2007136798A3 Oxidized guar for oilfield servicing fluids |
| 01/10/2008 | WO2007134200A3 Wellbore servicing fluids comprising grafted homopolymers and methods of using same |
| 01/10/2008 | WO2007122395A3 Compositions comprising maltodextrin and associated methods |
| 01/10/2008 | US20080009425 Proppant and method of forming proppant |
| 01/10/2008 | US20080009424 Emulsified gelant |
| 01/10/2008 | US20080009423 Self-degrading fibers and associated methods of use and manufacture |
| 01/10/2008 | US20080009422 High performance water base drilling fluid |
| 01/10/2008 | US20080009421 Fluid loss additive for oil-based muds |
| 01/10/2008 | US20080006408 Contacting an emulsion of water, detergent, hydrocarbon solvent and acid with the interior of the oil well; one-step cleaning |
| 01/10/2008 | US20080006404 Storable nonaqueous cement slurries and methods of using same |
| 01/10/2008 | DE102006029752A1 Verwendung von Methacrylat-Derivaten zur Verdickung salzhaltiger Medien Use of methacrylate derivatives for thickening saline media |
| 01/10/2008 | CA2656205A1 Rheology controlled heterogeneous particle placement in hydraulic fracturing |
| 01/09/2008 | EP1876154A1 Cement slurry with low water to cement ratio |
| 01/09/2008 | EP1875039A1 Flue gas injection for heavy oil recovery |
| 01/09/2008 | EP1874890A2 Microemulsion containing oilfield chemicals useful for oil and gas field applications |
| 01/09/2008 | EP1874889A1 Wellbore servicing fluids comprising resilient material |
| 01/09/2008 | CN101103176A Composition and process for enhanced oil recovery |
| 01/09/2008 | CN101100601A Corrosion-release scale-proof wax-removal viscosity-reducing agent and preparation method thereof |
| 01/09/2008 | CN101100600A Thick oil emulsion viscosity-reducing agent and preparation method thereof |
| 01/09/2008 | CN101100599A Oil soluble high-concentration pour depressant suspension and preparation method thereof |
| 01/09/2008 | CN101100598A Low-density ebonite extreme pressure water-in-oil emulsion drilling fluid |
| 01/09/2008 | CN100360635C Emulsion polymer for drilling fluid |
| 01/09/2008 | CN100360634C Borehole stabilized film-forming agent of drilling liquid and production thereof |
| 01/08/2008 | US7316991 Composition and process for oil extraction |
| 01/08/2008 | CA2488671C Methods of sealing expandable pipe in well bores and sealing compositions |
| 01/08/2008 | CA2430308C Aqueous drilling muds fluidified by means of zirconium and aluminum complexes |
| 01/08/2008 | CA2322261C Retarding systems and application to oil well cementing |
| 01/06/2008 | CA2593150A1 Biodegradable foam compositions for oil field operations |
| 01/06/2008 | CA2592970A1 Well servicing methods and systems employing a triggerable filter medium sealing composition |
| 01/03/2008 | WO2008001112A1 Swellable elastomers and associated methods |
| 01/03/2008 | WO2008001066A2 Cement compositions for low temperature applications |
| 01/03/2008 | WO2008001065A1 Improved settable compositions free of portland cement and associated methods of use |
| 01/03/2008 | WO2008001049A1 Wellbore fluid |
| 01/03/2008 | WO2008001048A1 Wellbore fluid |
| 01/03/2008 | WO2008000427A1 The use of dicarbonyl compounds to increase the temperature stability of biopolymers during crude oil and natural gas exploration |
| 01/03/2008 | WO2008000379A1 Cement slurry with low water to cement ratio |
| 01/03/2008 | WO2008000362A1 Use of methacrylate derivatives for thickening saline media |
| 01/03/2008 | WO2008000115A1 A procss for removing polymer and zooglea from crude oil |
| 01/03/2008 | WO2007130440A3 Improved fracturing fluids for use in oil and gas recovery operations |
| 01/03/2008 | WO2007119211B1 Rheology enhancers |
| 01/03/2008 | WO2007056392A3 Polycationic viscoelastic compositions |
| 01/03/2008 | WO2005059058A3 Well completion spacer fluids containing fibers and methods |
| 01/03/2008 | US20080004190 Multizone Stimulation Using Wax Balls |
| 01/03/2008 | US20080004189 Effervescent biocide compositions for oilfield applications |
| 01/03/2008 | US20080004188 Method of thickening salt-containing media by adding methacrylate derivatives |
| 01/03/2008 | US20080004187 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 |
| 01/03/2008 | US20080003128 Manganomanganic oxide particles produced by spray granulation of liquid slurry; reducing agents |
| 01/03/2008 | DE102006029265A1 Verwendung von Dicarbonyl-Verbindungen zur Erhöhung der Temperaturstabilität von Biopolymeren bei der Erdöl- und Erdgasexploration Use of dicarbonyl compounds to increase the temperature stability of biopolymers in oil and gas exploration |
| 01/03/2008 | CA2656294A1 Wellbore fluid |
| 01/03/2008 | CA2656289A1 Wellbore fluid |
| 01/03/2008 | CA2655930A1 Cement slurry with low water to cement ratio |
| 01/03/2008 | CA2655837A1 Use of dicarbonyl compounds for increasing the thermal stability of biopolymers in the field of oil and gas exploration |
| 01/02/2008 | EP1871723A1 Methods of cementing using a fluid loss control additive |
| 01/02/2008 | CN101096590A Compositions and methods of using same in producing heavy oil and bitumen |
| 01/02/2008 | CN101096589A Water-based carrying non-active nitric acid powder and manufacturing method thereof |
| 01/02/2008 | CN101095990A Defoaming method for the foam well drilling |
| 01/02/2008 | CN100358969C Cleanup additive in use for acidification in high temperature |
| 01/02/2008 | CN100358946C Complex polyacrylamide with broad molecular weight distribution used in oil field |
| 01/01/2008 | US7314850 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
| 01/01/2008 | US7314082 Methods of improving well bore pressure containment integrity |
| 12/29/2007 | CA2591737A1 Effervescent biocide compositions for oilfield applications |
| 12/27/2007 | WO2007149781A1 Highly branched polymeric materials as coating on weighting agents |
| 12/27/2007 | WO2007149779A1 Highly branched polymeric materials as surfactants for oil-based muds |
| 12/27/2007 | WO2007149112A1 Stuck drill pipe additive and method |
| 12/27/2007 | WO2007107763A3 Low heat of hydration cement compostions and methods of using same |