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)
06/2010
06/08/2010US7732382 comprising a curable polysaccharide, or carboxymethylcellulose, bishydroxyethylglycine delay agent and curing agent titanium tetra-triethanolamine complex; provides flexibility in crosslinking rate; use in oil field for hydraulic fracturing and plugging of permeable zones and leaks in subterranean
06/08/2010US7732381 Conductive cement formulation and application for use in wells
06/08/2010US7732380 organoclay treated with a quaternary ammonium cationic surfactant having an amide linkage; undergoes aerobic biodegradation, nontoxic, environmetally friendly
06/08/2010US7732379 Non-damaging manganese tetroxide water-based drilling fluids
06/08/2010US7730948 Use of coated proppant to minimize abrasive erosion in high rate fracturing operations
06/08/2010CA2603687C Composition and method for dissipating heat underground
06/08/2010CA2532146C Zeolite-containing treating fluid
06/08/2010CA2525931C Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants
06/08/2010CA2453293C Suspensions of particles in non-aqueous solvents
06/08/2010CA2426256C Drilling fluid base oil
06/08/2010CA2314806C Divalent cation-containing well drilling and servicing fluid
06/03/2010WO2010062703A1 Polycarbonate block copolymers
06/03/2010WO2010061309A1 Fluid loss control in wellbore completion operations
06/03/2010WO2010061164A1 Reduced carbon footprint settable compositions for use in subterranean formations
06/03/2010WO2010061163A1 Foamed cement compositions comprising oil-swellable particles and methods of use
06/03/2010WO2010061162A2 Cement compositions and methods utilizing nano-hydraulic cement
06/03/2010WO2009042654A3 Process for drying boron-containing minerals and products thereof
06/03/2010US20100137473 Aqueous resin compositions and methods for cement repair
06/03/2010US20100137454 Silicone Polymer Emulsions
06/03/2010US20100137170 Dual use well treatment composition
06/03/2010US20100137169 Method for Treating a Fractured Formation
06/03/2010US20100137168 Nanoemulsions
06/03/2010US20100137167 Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams
06/03/2010US20100132951 Controlled De-functionalization of Filtercakes and Other Downhole Compositions
06/03/2010US20100132943 Resin Compositions and Methods of Using Resin Compositions to Control Proppant Flow-Back
06/03/2010CA2755433A1 Reduced carbon footprint settable compositions for use in subterranean formations
06/03/2010CA2742119A1 Polycarbonate block copolymers
06/03/2010CA2741824A1 Cement compositions and methods utilizing nano-hydraulic cement
06/03/2010CA2741491A1 Foamed cement compositions comprising oil-swellable particles and methods of use
06/02/2010EP2192094A1 Aqueous resin compositions and methods for cement repair
06/02/2010EP2190943A2 Improved process for enhanced oil recovery
06/02/2010EP2190942A1 Methods of using colloidal silica based gels
06/02/2010CN101718184A Foamed acid washing technological method for horizontal well
06/02/2010CN101717628A Low-density ceramsite propping agent and preparation method thereof
06/02/2010CN101717627A Low-tension foaming agent for improving crude oil extracting rate of high-salinity oil reservoir and preparation method thereof
06/02/2010CN101717626A Application of methylnaphthalene in lowering viscosity of thickened oil
06/02/2010CN101717625A Clay stabilizing agent suitable for low-permeability oil pool
06/02/2010CN101717624A High-efficient water-based well drilling fluid with fast absorption, strong inhibition and low damage
06/02/2010CN101717623A Method for preparing viscosity depressant for drilling fluid
06/02/2010CN101717622A Lubricating inhibitor for drilling fluid and preparation method thereof and drilling fluid containing lubricating inhibitor for drilling fluid
06/02/2010CN101717621A Low-fluorescence anti-blocking lubricant for drilling fluid and production method thereof
06/02/2010CN101717620A Method for preparing filtrate loss controller for drilling fluid by using styrene-acrylonitrile copolymer foamed plastic waste
06/02/2010CN101716474A Application of surfactant and formulation system thereof in alkali-free binary combination flooding
06/02/2010CN101323780B Low pervasion oilfield thermochemical cleanup additive and use thereof
06/02/2010CN101275070B Organic silicate semi-permeable diaphragm agent and preparation thereof
06/02/2010CN101255333B Anti-temperature starch composition for drilling liquid and preparation method thereof
06/02/2010CN101250401B Thixotropy high-strength gel diverting agent
06/02/2010CN101182409B Anti-collapse circulative micro-foam drilling fluid or well completion fluid
06/01/2010US7728044 Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids
06/01/2010US7727940 Silicone-tackifier matrixes and methods of use thereof
06/01/2010US7727939 Well bore fluid mixture of oil additive, solid colloidal particles coated with dispersant; barite coated with stearyl methacrylate, butyl acrylate; suspension stability; drilling fluids
06/01/2010US7727938 Non-aqueous gels for consolidating and stabilizing wellbore formations
06/01/2010US7727937 Acidic treatment fluids comprising xanthan and associated methods
06/01/2010US7727936 for industrial and/or subterranean operations; well bores; biopolymers
06/01/2010US7727935 Contains an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive comprising a soap component such as a fatty acid; use as fracturing fluid in subterranean formations
06/01/2010CA2592799C Proppant material and formation hydraulic fracturing method (variants)
06/01/2010CA2591859C Methods and compositions for well completion in steam breakthrough wells
06/01/2010CA2474614C High performance water based drilling mud and method of use
06/01/2010CA2456804C Process fluids comprising clays and colloidal particles
05/2010
05/27/2010WO2010059874A1 Viscosity reduction process for hydrocarbon production
05/27/2010WO2010058769A1 Base oil for oil drilling fluid and oil drilling fluid composition
05/27/2010WO2010058161A1 Density-matched suspensions and associated methods
05/27/2010WO2010057931A1 Sealing of thief zones
05/27/2010WO2010019535A3 Thermoplastic cellulosic fiber blends as lost circulation materials
05/27/2010US20100130389 Compositions and Methods for Removal of Asphaltenes from a Portion of a Wellbore or Subterranean Formation Using Water-Organic Solvent Emulsion with Non-Polar and Polar Organic Solvents
05/27/2010US20100130388 Method for treating well bore in a subterranean formation with high density brines and complexed metal crosslinkers
05/27/2010US20100130387 includes crude separation of larger solid particles from liquid phase, separation of aqueous and oil sub-phases of liquid phase, and recovery of hydrophobic phase as reusable oil product (such as diesel); products being either non-hazardous or fully reusable
05/27/2010US20100130386 Solvent For Extracting Bitumen From Oil Sands
05/27/2010US20100130385 Production and use of paraffin inhibitor formulations
05/27/2010US20100130384 Compositions and Methods for Removal of Asphaltenes from a Portion of a Wellbore or Subterranean Formation
05/27/2010US20100126726 ALKALINE BETA-MANNANASE CONTAINING COMPOSITIONS USEFUL FOR THE HYDROLYSIS OF GUAR IN HIGH pH ENVIRONMENTS AND METHODS RELATED THERETO
05/27/2010US20100126723 Fluid Loss Control
05/27/2010CA2686112A1 Aqueous resin compositions and methods for cement repair
05/27/2010CA2645092A1 Water transfer system
05/26/2010EP1957601B1 Solvent free fluidized polymer suspensions for oilfield servicing fluids
05/26/2010CN1852964B Fluid loss control and sealing agent for drilling depleted sand formations
05/26/2010CN1818007B Production of high-temperature diluent of drilling liquid
05/26/2010CN101712865A Viscoelastic weak gel profile control agent
05/26/2010CN101712864A Multi-hydrogen acid injection increasing agent used in sandstone oilfields
05/26/2010CN101712863A Water plugging agent for carbonatite and preparation method and using method thereof
05/26/2010CA2645267A1 Solvent for extracting bitumen from oil sands
05/25/2010US7723273 Coating metallic surfaces with one of an epoxy resin dispersion and a curing agent dispersion; passing oil, natural gas, and/or process water over the coated surfaces; and contacting the surfaces with the other dispersion and allowing the dispersions to react to form a cured epoxy resin protective layer
05/25/2010US7723272 viscoelastic surfactant (VES) gelled aqueous fluids containing water, a VES, an internal breaker, a VES stabilizer, a fluid loss control agent and a viscosity enhancer are useful as treating fluids, particularly as fracturing fluids for subterranean formations; faster clean-up than polymer-based fluids
05/25/2010US7723271 coating outside surface of pipe with an adhesive thermoplastic resin, running the coated pipe into the wellbore, and causing the temperature of wellbore to increase to a temperature greater than a melting temperature of adhesive thermoplastic resin
05/25/2010US7723264 mixing particles such as ceramic, sand with water to form a treatment fluid, introducing the fluid in a subterranean formation, introducing tetrafluoroethylene an active material into the formation to form a oil-wet coating of active material, facilitates movement of aqueous treatment fluid through well
05/25/2010CA2594208C Silicate-containing additives for well bore treatments and associated methods
05/25/2010CA2577651C Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
05/25/2010CA2561814C Viscoelastic surfactant rheology modification
05/25/2010CA2561346C Fluid loss additives for cement slurries
05/25/2010CA2519039C Method for controlling water influx into wellbores by blocking high permeability channels
05/25/2010CA2455642C Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method
05/20/2010WO2010054476A1 Optimization of the liquid injected component for multiphase drilling fluid solutions
05/20/2010US20100125044 Treatment of gas well hydrofracture wastewaters
05/20/2010US20100122815 Foamed gel systems for fracturing subterranean formations, and methods for making and using same
05/19/2010EP2186870A1 Foamed gel systems for fracturing subterranean formations, and methods for making and using same
05/19/2010EP2186785A2 Process for the separation of olefins from paraffins
05/19/2010EP2186784A2 Process for the preparation and recovery of olefins
05/19/2010EP2186783A2 Process for the preparation of olefins
05/19/2010EP2185666A1 Treatment fluids comprising clarified xanthan and associated methods
05/19/2010EP2185665A2 Drilling fluid containing carbon nanotubes