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)
08/2012
08/30/2012WO2012113738A1 Chelating agent precursors, fluids containing them, and their use
08/30/2012US20120220692 Defoaming compositions and processes for cementing applications
08/30/2012US20120220504 Consolidating Agent Emulsions and Associated Methods
08/30/2012US20120220503 Composition and method for treating well bore in a subterranean formation with crosslinkers polymer fluids
08/30/2012US20120220502 Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams
08/30/2012US20120220501 Non-aqueous, acid soluble, high-density completion fluids and process
08/30/2012US20120220500 Process for Removal of Hydrogen Sulfide in Downhole Oilfield Applications
08/30/2012US20120220499 Treatment Process For Inhibiting Top Of Line Corrosion Of Pipes Used In The Petroleum Industry
08/30/2012US20120216990 Heat Removal in Drilling and Production Operations
08/30/2012CA2828230A1 Composition and method for treating well bore in a subterranean formation with crosslinkers polymer fluids
08/30/2012CA2828202A1 Metallic nanoparticle biocide in industrial applications
08/30/2012CA2827921A1 Selective salt recovery from mixed salt brine
08/30/2012CA2827918A1 Chelate compositions and methods and fluids for use in oilfield operations
08/30/2012CA2827912A1 Process for removal of hydrogen sulfide in downhole oilfield applications
08/30/2012CA2827323A1 Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams
08/30/2012CA2826778A1 Alkaline microbial enhanced oil recovery
08/29/2012EP2491091A2 Method of reducing the viscosity of hydrocarbons
08/29/2012CN102649902A Preparation method for high-temperature crosslinking agent for oil field tertiary oil recovery
08/29/2012CN102050926B Heat-resistant salt-tolerate graft polyacrylamide and preparation method thereof
08/29/2012CN101633839B 200-DEG C super-high temperature fracturing fluid
08/28/2012US8252731 Solid zirconium-based cross-linking agent and use in oil field applications
08/28/2012US8252730 Wellbore treatment fluid
08/28/2012US8252729 High performance drilling fluids with submicron-size particles as the weighting agent
08/28/2012US8252728 Drilling fluids comprising hydroxylated polymers
08/28/2012US8252576 Use of prokaryote viruses to remediate bio-fouling
08/28/2012US8251143 Low permeability cement systems for steam injection application
08/28/2012CA2574015C Clay inhibitors for the drilling industry
08/23/2012WO2012112651A2 Non-aqueous, acid soluble, high-density completion fluids and process
08/23/2012WO2012112328A1 Composition and method for removing filter cake
08/23/2012WO2012110993A1 Inhibition of bacterial growth in oil field fluids
08/23/2012WO2012110844A1 Improved composition, preparation method and use of oil-based ultra-light fluids for drilling in depression areas with active shale
08/23/2012WO2012110539A1 Method for extracting crude oil from crude oil reservoirs with a high reservoir temperature
08/23/2012WO2012091881A3 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil
08/23/2012WO2012091880A3 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil
08/23/2012US20120214715 Degradable Perforation Balls and Associated Methods of Use in Subterranean Applications
08/23/2012US20120214714 Process for achieving improved friction reduction in hydraulic fracturing and coiled tubing applications in high salinity conditions
08/23/2012US20120214713 Method for Adjusting and Controlling Microbial Enhanced Oil Recovery
08/23/2012US20120214712 Methods of Using Polysaccharide Based Cement Additives
08/23/2012US20120210911 Stable organic-based fluid loss additive containing an organophilic clay-based suspending agent for use in a well
08/23/2012CA2826028A1 Composition and method for removing filter cake
08/23/2012CA2825360A1 Process for mineral oil production from mineral oil deposits with high deposit temperature
08/22/2012EP2489825A1 In-situ solidification of invert emulsion fluids to form gas tight annular barrier
08/22/2012EP2489715A1 A process for achieving improved friction reduction in hydraulic fracturing and coiled tubing applications in high salinity conditions
08/22/2012EP2488721A1 Hydrocarbons
08/22/2012EP2488600A1 Method for tertiary oil production using surfactant mixtures
08/22/2012EP2488599A1 Process for tertiary mineral oil production using surfactant mixtures
08/22/2012EP2488598A1 Method for producing oil using surfactant mixtures
08/22/2012EP1807479B1 Shale hydration inhibition agent and method of use
08/22/2012CN202390361U High-temperature-resisting multilayer film-covered propping agent
08/22/2012CN102648272A Methods to improve the compatibility and efficiency of powdered versions of microfibrous cellulose
08/22/2012CN102644454A Method for increasing recovery ratio of thick oil
08/22/2012CN102643637A Clear fracturing fluid
08/22/2012CN102643636A Auxiliary enhancement chemical agent for oil extraction with heat
08/22/2012CN102643635A Stratum water-injection augmented injection agent of oil field
08/22/2012CN102643634A Dual-core copolymerized clay stabilizer and preparation method thereof
08/22/2012CN102643633A High-temperature and anti-salt gas-channeling-preventing agent and manufacturing method thereof
08/22/2012CN102643632A High-temperature salt-resistant fluid loss agent and production method thereof
08/22/2012CN102643631A Method for preparing impervious filtrate reducer for drilling fluid from furfural residue and xylose residue
08/22/2012CN102344783B High-efficient antisticking lubricant for drilling fluid
08/21/2012US8247356 Zirconium-based cross-linking composition for use with high pH polymer solutions
08/21/2012US8247355 Acidic viscosity enhancer for viscoelastic surfactant fluids
08/21/2012US8246857 Ultilizing synergistic combination of alkyl polyglycoside and polyaspartic acid component; superior environmental categorization; offshore oil and gas industry, heating and cooling circuits, water treatment
08/21/2012CA2715588C Additive for cementing wells
08/21/2012CA2703437C Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same
08/21/2012CA2676923C Method for viscosifying invert emulsion drilling fluids
08/21/2012CA2676517C Method of treating flow conduits and vessels with foamed composition
08/21/2012CA2675298C Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications
08/21/2012CA2643872C Method of treating subterranean formations by in-situ hydrolysis of organic acid esters
08/18/2012CA2768162A1 Non-toxic, shale inhibitive water-based wellbore fluid
08/18/2012CA2732287A1 A process for achieving improved friction reduction in hydraulic fracturing and coiled tubing applications in high salinity conditions
08/16/2012WO2012109023A2 Method of increasing ph of high-density brines
08/16/2012WO2012107458A1 Multistage process for recovering petroleum using microorganisms
08/16/2012WO2012107373A1 Multistage process for recovering petroleum using microorganisms
08/16/2012US20120208729 Polymeric Acid Precursor Compositions And Methods
08/16/2012US20120208728 Well treatment
08/16/2012US20120208727 High Temperature Fracturing Fluids and Methods
08/16/2012US20120208726 Composition and method for removing filter cake
08/16/2012US20120208725 Drilling Fluid Additive and Method for Improving Lubricity or Increasing Rate of Penetration in a Drilling Operation
08/16/2012US20120205107 Consolidating Agent Emulsions and Associated Methods
08/16/2012US20120205102 Well Treatment
08/16/2012CA2823752A1 Multistage process for producing mineral oil using microorganisms
08/16/2012CA2823750A1 Multistage process for producing mineral oil using microorganisms
08/15/2012EP2487217A1 Treatment for recycling fracture water - gas and oil recovery in shale deposits
08/15/2012EP2487141A1 Self-adaptive cements
08/15/2012EP2486105A1 Methods for crosslinking water soluble polymers for use in well applications
08/15/2012EP2132279B1 Drilling fluid and method for drilling in coal-containing formations
08/15/2012EP1838804B1 Methods for controlling migration of particulates in a subterranean formation
08/15/2012EP1534644B1 Well cementing compositions and methods
08/15/2012EP1294476B1 Use of weakly anionic copolymers as dispersing and grinding aid agent of an aqueous suspension of mineral materials
08/15/2012CN102639670A BAB triblock polymers having improved release characteristics
08/15/2012CN102639669A Treatment fluids comprising transient polymer networks
08/15/2012CN102635344A Composite blocking-removal method for improving flow conductivity of triple-low sandstone reservoir
08/15/2012CN102635343A Method for lifting heavy oil through shaft in heavy oil cold production
08/15/2012CN102634332A Blockage remover for decompression and steam injection in high clay content sandstone oil reservoir
08/15/2012CN102634331A Horizontal well acidizing-based phase-state transformation acid
08/15/2012CN102634330A Preparation method of multi-hydrogen acid for oil and gas reservoir
08/15/2012CN102634329A Low-molecular-weight polymer fracturing liquid
08/15/2012CN102634328A Carboxymethyl hydroxypropyl guanidine gum fracturing fluid
08/15/2012CN102634327A Gas field foam drainage agent
08/15/2012CN102634326A Barium scale inhibitor for alkaline-surfactant-polymer flooding oil well
1 ... 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 ... 318