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)
10/2011
10/19/2011CN102220125A Low-density and high-strength silicon-carbide-based fracturing proppant
10/19/2011CN102220124A Oil displacement compound for tertiary oil recovery and preparation method thereof
10/19/2011CN102220123A Oil displacement method for tertiary oil recovery
10/19/2011CN102220122A Betaine type binary oil displacement agent, preparation method and use thereof
10/19/2011CN102220121A Composition capable of improving recovery ratio considerably and preparation method thereof
10/19/2011CN102220120A Binary compound flooding compound and preparation method thereof
10/19/2011CN102220119A Oil displacing method for reservoirs with high temperature and salinity
10/19/2011CN102220118A Oil displacement composition and preparation method thereof
10/19/2011CN102220117A Bioactivity oil displacement agent for improving recovery ratio in ultra-low permeability oilfields
10/19/2011CN102220116A Composite sodium hypochlorite solution oil well blocking remover
10/19/2011CN102220115A Filtrate reducer for oil well cement and preparation method thereof
10/19/2011CN102220114A 200-DEG C resistant cement paste for well cementation
10/19/2011CN102220113A Solid phase-free drilling-in liquid
10/19/2011CN102220112A Inorganic-organic salt-resisting and high temperature-resisting polymer fluid loss additive for drilling fluid
10/19/2011CN102220111A Leak stopping and wall protecting agent for petroleum drilling fluid and preparation method thereof
10/19/2011CN102219897A Disulfonate gemini surfactant with high temperature and salt resistance and preparation method thereof
10/19/2011CN102219896A N,N-difattyacyl diamino diacetoxyl dipolyoxyethylene ether dicarboxylate and preparation method thereof
10/19/2011CN102219714A N,N-dual fat acyl diamine diacetate dipolyoxyethylene ether bisulphonate and preparation method thereof
10/19/2011CN102218282A Dual-carboxylate gemini surfactant resistant to high temperature and high salt and preparation method thereof
10/19/2011CN101531890B Preparation method of profile control agent for oil field deep temporary blocking
10/19/2011CN101506260B Water-soluble and biodegradable copolymers on a polyamide basis and use thereof
10/18/2011US8039422 Method of mixing a corrosion inhibitor in an acid-in-oil emulsion
10/18/2011US8039421 Process using aloe for inhibiting scale
10/18/2011CA2649275C Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
10/18/2011CA2645938C Methods and compositions for reducing fluid loss during treatment with viscoelastic surfactant gels
10/18/2011CA2634240C Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids
10/13/2011WO2011124875A1 Low damage sea water based frac pack fluid
10/13/2011WO2011073747A3 Delivery of nanodispersions below ground
10/13/2011US20110251111 Foaming agent for subterranean formations treatment, and methods of use thereof
10/13/2011US20110247823 Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions
10/13/2011US20110247822 Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions
10/13/2011US20110247821 Compositions and method for breaking hydraulic fracturing fluids
10/12/2011EP2374861A1 Compositions and method for breaking hydraulic fracturing fluids
10/12/2011EP2374860A1 Methods for treating fibers
10/12/2011EP2373757A1 Hydrocarbon recovery process
10/12/2011CN102216415A Thermoplastic cellulosic fiber blends as lost circulation materials
10/12/2011CN102216414A Base oil for oil drilling fluid and oil drilling fluid composition
10/12/2011CN102213088A Microbial oil recovery method
10/12/2011CN102213087A Throughout and displacement combined microbial oil recovery method
10/12/2011CN102212358A Preparation of hydrocarbon-based fracturing fluid thickening agent for oil production
10/12/2011CN102212357A Preparation and application of water-based fracturing fluid organic zirconium high-temperature stabilizing agent for oil production
10/12/2011CN102212356A High temperature foaming agent
10/12/2011CN102212355A Oil extraction composition and method using anti-deposition agent
10/12/2011CN102212354A Preparation method of retarder for well cementing cement mortar in oil field
10/12/2011CN102212353A Preparation of thickened oil viscosity breaking agent for oil drilling and oil production
10/12/2011CN102212352A Anti-gas channeling impermeable latex cementing slurry
10/12/2011CN102212351A Water retaining agent for liquid well cementing cement
10/12/2011CN102212350A Ultra-high density cementing slurry with high temperature resistance and salt resistance
10/12/2011CN102212349A Micro-coil water plugging agent for high-water-content low-oil-production well and injection method thereof
10/12/2011CN102212348A Foam scrubbing agent with salt resistance and methanol resistance
10/12/2011CN102212347A Formula and preparation method of 200 DEG C temperature and salt resistant drilling fluid with strong inhibition and high density
10/12/2011CN102212346A Formula for strong inhibitive high-density salt resistance drilling fluid capable of resisting temperature of 220 DEG C and preparation method of drilling liquid
10/12/2011CN102212345A Formula and preparation method of 180 DEG C temperature and salt resistant drilling fluid with strong inhibition and high density
10/12/2011CN102212344A High-temperature foam scrubbing agent for drainage gas recovery
10/12/2011CA2737191A1 Compositions and method for breaking hydraulic fracturing fluids
10/11/2011US8034750 Borozirconate systems in completion systems
10/11/2011US8034749 silicon, aluminum, titanium, zirconium, tin, lithium, cerium, or vanadium-based aerogels; minimal damage to the payzone because of reuced volume of fluid invasion; bore hole can be cleaned without using acid
10/11/2011US8034748 Additives for inhibiting the formation of gas hydrates
10/11/2011CA2621383C Proppant and methods of use
10/11/2011CA2610009C Fluid loss additive for enhanced fracture clean-up
10/11/2011CA2586346C Low density, high yield cement slurry formulation and method of using the same
10/11/2011CA2436378C Cement composition exhibiting improved resilience/toughness and method for using same
10/06/2011WO2011123588A1 A mechanical device for dispersing biomass populations
10/06/2011WO2011123397A1 Well servicing fluid
10/06/2011WO2011123341A2 Precipitation prevention in produced water containing hydrate inhibitors injected downhole
10/06/2011WO2011123249A2 Method of subterranean formation treatment
10/06/2011WO2011121314A1 Reconditioning and reuse of wellbore servicing fluids
10/06/2011WO2011121293A1 Methods for strengthening fractures in subterannean formations
10/06/2011WO2011121278A1 Invert emulsion drilling fluids and methods of drilling boreholes
10/06/2011WO2011120655A1 Scale inhibitor
10/06/2011WO2011092491A3 Drilling fluids
10/06/2011WO2011049425A3 Saline polymeric fluid composition for drilling oil wells in depressurized areas or areas with a low fracture gradient, and method for the production thereof
10/06/2011US20110245114 Well servicing fluid
10/06/2011US20110245113 Method of subterranean formation treatment
10/06/2011US20110245112 Reconditioning and reuse of wellbore servicing fluids
10/06/2011US20110240297 Low Damage Seawater Based Frac Pack Fluid
10/06/2011US20110240131 System and method for scale inhibition
10/06/2011CA2800480A1 Methods for strengthening fractures in subterannean formations
10/06/2011CA2794938A1 Scale inhibitor
10/06/2011CA2794772A1 Well servicing fluid
10/06/2011CA2794748A1 Precipitation prevention in produced water containing hydrate inhibitors injected downhole
10/06/2011CA2793937A1 Reconditioning and reuse of wellbore servicing fluids
10/06/2011CA2792017A1 Invert emulsion drilling fluids and methods of drilling boreholes
10/06/2011CA2789815A1 A mechanical device for dispersing biomass populations
10/05/2011EP2371924A1 Methods for increase gas production and load recovery
10/05/2011EP2371923A1 Scale inhibitor
10/05/2011EP2370542A1 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications
10/05/2011EP2370541A1 Sealing of thief zones
10/05/2011EP2370199A1 Coated particles of a chelating agent
10/05/2011EP1379473B1 A method for inhibiting corrosion
10/05/2011EP1268976B1 Viscosity reduction of viscoelastic surfactant based fluids
10/05/2011EP1144349B2 Isomerization process
10/05/2011CN102206484A Acidic water repellent associated matter fracturing fluid
10/05/2011CN102206483A Surfactant/polymer water repellent identification composite oil displacement agent and preparation method thereof
10/05/2011CN102206317A Dihydroxy naphthalene modified phenolic resin for sand prevention and preparation method thereof
10/05/2011CN102205215A Crude oil emulsifying agent
10/05/2011CN102205214A N,N-dialkyl propanamide fatty alkyl betaine amphoteric surfactant, preparation method and application thereof in tertiary recovery
10/05/2011CN101619309B Enzyme composition for high-efficiency decomposition of cellulose
10/05/2011CN101445722B Oil displacement agent suitable for surfactant for low-permeability oilfield, and preparation method thereof
10/04/2011US8030389 Includes viscosifier system comprised of clay and free radical copolymer having sulfonate moiety; maintains homogeneous when exposed to water and temperature differentials; arctic geothermal well bore drilling