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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08/01/2012 | CN102618240A High-salt-resistant oil-displacing agent |
08/01/2012 | CN102618239A Salt- and temperature-resistant emulsification viscosity reducer for heavy oil |
08/01/2012 | CN102618238A Novel technology for quickly melting solidified oil |
08/01/2012 | CN102618237A Polymer clay stabilizer containing Beta-cyclodextrin structure and synthesis method thereof |
08/01/2012 | CN102618236A Plugging agent remover for high-strength plugging agent for oil deposit |
08/01/2012 | CN102618235A pH regulation unblocking liquid used for well completion |
08/01/2012 | CN102618234A High sulfur-containing gas well gas testing commissioning operation temporary plugging agent |
08/01/2012 | CN102618233A Anti-freezing agent and application of anti-freezing agent to cement additive water aqua for well cementation in oil field |
08/01/2012 | CN102618232A Plugging agent for fractured-vuggy oil reservoir |
08/01/2012 | CN102618231A Low-temperature shallow channeling-prevention cement slurry |
08/01/2012 | CN102618230A Controllable cross-linked gel water plugging and leak plugging material for oil and gas field |
08/01/2012 | CN102618229A High-temperature resistant grain profile control and water shutoff agent as well as production method and application method thereof |
08/01/2012 | CN102618228A Plugging agent for clastic rock oil reservoir horizontal well, preparation method and water plugging method |
08/01/2012 | CN102618227A Oil-based drilling fluid system for use in continental facies shale gas horizontal well |
08/01/2012 | CN102618226A Saturated saline solution mud fluid taking brine as base solution and preparation method of saturated saline solution mud fluid |
08/01/2012 | CN102618225A Well repairing fluid |
08/01/2012 | CN102618224A Waterproof locking agent used for drilling fluid |
08/01/2012 | CN102617800A Delay intumescent profile control blocking agent and application method thereof |
08/01/2012 | CN102617794A Temperature-resisting anti-salt type oil extraction chemical auxiliary agent and preparation method thereof |
08/01/2012 | CN102614930A Metal quaternary ammonium oxyphosphate dispersoid and application of metal quaternary ammonium oxyphosphate dispersoid to exploitation of thickened oil |
08/01/2012 | CN102324260B Deep well resistance-reducing packing |
07/31/2012 | CA2714452C Extended settable compositions comprising cement kiln dust and associated methods |
07/31/2012 | CA2677462C Treatment fluids comprising diutan and associated methods |
07/31/2012 | CA2560938C Process for treating underground formations |
07/26/2012 | WO2012099712A1 Vda/acid system for matrix acid stimulation |
07/26/2012 | WO2012098186A1 Families of scale-inhibitors having different absorption profiles and their application in oilfield |
07/26/2012 | WO2012068397A3 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
07/26/2012 | WO2012051026A3 Light weight proppant with improved strength and methods of making same |
07/26/2012 | WO2012021625A3 Nonionic hydrophobically substituted cellulose ethers |
07/26/2012 | WO2012012230A3 Method of mixing a corrosion inhibitor in an acid-in-oil emulsion |
07/26/2012 | US20120190769 Cement Compositions Comprising Sub-Micron Alumina and Associated Methods |
07/26/2012 | US20120190598 Metallic nanoparticle biocide in industrial applications |
07/26/2012 | US20120190597 Extrusion Process For Proppant Production |
07/26/2012 | US20120190596 Mutual Solvent-Soluble and/or Alcohol Blends-Soluble Particles for Viscoelastic Surfactant Fluids |
07/26/2012 | US20120190595 Carboxylic Acid and Oxidizer Clean-Up Compositions and Associated Methods of Use in Subterranean Applications |
07/26/2012 | US20120190594 Organoclay Materials for Environmentally Sensitive Regions |
07/26/2012 | US20120190593 Permeability blocking with stimuli-responsive microcomposites |
07/26/2012 | US20120190592 method and system for removing organic deposits |
07/26/2012 | US20120189771 On-the-Fly Coating of Acid-Releasing Degradable Material Onto a Particulate |
07/26/2012 | US20120186880 Invert Emulsion Fluids With High Internal Phase Concentration |
07/26/2012 | US20120186877 Modified Cellulosic Polymer for Improved Well Bore Fluids |
07/26/2012 | US20120186815 Method and Composition to Prevent Fluid Mixing in Pipe |
07/26/2012 | US20120186494 Cement Compositions and Methods Utilizing Nano-Clay |
07/26/2012 | CA2823106A1 Families of scale-inhibitors having different absorption profiles and their application in oilfield |
07/25/2012 | EP2478066A1 Bab triblock polymers having improved release characteristics |
07/25/2012 | EP1924669B1 Polymer mixtures for crosslinked fluids |
07/25/2012 | CN102612548A Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families |
07/25/2012 | CN102612510A A method of making a synthetic alkylaryl sulfonate |
07/25/2012 | CN102606119A Fixed-point gel-placing water shutoff profile control agent and use method thereof |
07/25/2012 | CN102606111A Method for preventing tubular column from corrosion in multi-element heat fluid thermal recovery process |
07/25/2012 | CN102604627A Acid fracturing temporary plugging agent |
07/25/2012 | CN102604626A Acid fracturing fluid for high sulfur content gas reservoir |
07/25/2012 | CN102604625A Water-based fracturing fluid used for continental face shale gas fracturing and preparation method thereof |
07/25/2012 | CN102604624A Cross-linking agent for high-temperature fracturing fluid and preparation method of cross-linking agent |
07/25/2012 | CN102604623A AM/NaAA/NAC water-soluble polymer oil-displacement agent and synthesizing method thereof |
07/25/2012 | CN102604622A Oil displacing agent containing imidazole ring quaternary ammonium salt polymer and preparation method |
07/25/2012 | CN102604621A Novel high-efficiency composite viscosity reducer for super heavy oil |
07/25/2012 | CN102604620A Petroleum sulfonate compounded system for oil displacement and preparation method thereof |
07/25/2012 | CN102604619A Protective agent for chlorite membrane on oil reservoir pore surface |
07/25/2012 | CN102604618A Cold heavy oil production stratum crude oil viscosity reducing agent |
07/25/2012 | CN102604617A Carbonate scale removing agent for oil-water well |
07/25/2012 | CN102604616A Crude oil viscosity reducing device and preparation method of crude oil viscosity reducing device |
07/25/2012 | CN102604615A High-effective, low-toxic and safe oil-base paraffin remover for oil well |
07/25/2012 | CN102604614A Anti-flow cementing slurry for well cementation |
07/25/2012 | CN102604613A Oil-based ultrafine cement paste and production method thereof |
07/25/2012 | CN102604612A Slurry for extracting and plugging operation of oil and gas fields and using method thereof |
07/25/2012 | CN102604611A Silicon slurry and preparation method thereof |
07/25/2012 | CN102604610A Elasto-plastic well cementing cement slurry and preparation method thereof |
07/25/2012 | CN102604609A Asynchronous crosslinked water shutoff profile control gel and preparation method thereof |
07/25/2012 | CN102604608A Water shutoff agent for extra-low permeability oil reservoir |
07/25/2012 | CN102604607A Lipophilic rigid particle plugging agent and production method as well as using method thereof |
07/25/2012 | CN102604606A Chemical secondary-crosslinking jelly foam water plugging and profile controlling liquid |
07/25/2012 | CN102604605A Inorganic salt dual fluid profile control agent and profile control method thereof |
07/25/2012 | CN102604604A Drilling fluid material, preparation thereof and application thereof |
07/25/2012 | CN102603985A High-temperature-resistant while-drilling plugging agent and preparation method thereof |
07/25/2012 | CN102603969A Cemented gel plugging agent and preparation method thereof |
07/25/2012 | CN102603968A High molecular polymer water absorbing material for well drilling leak stoppage |
07/25/2012 | CN102603966A Cross-linked polymer microsphere for oil displacement of oilfield and preparation method for cross-linked polymer microsphere |
07/25/2012 | CN102603945A Preparation method of colored sodium polyacrylate gel particles |
07/25/2012 | CN101787268B Gel profile control agent for delaying generation of precipitation granules and preparation method thereof |
07/25/2012 | CN101240308B Method for preparing liquid xanthan gum specially for teritary oil extraction |
07/24/2012 | US8227383 Low interfacial tension surfactants for petroleum applications |
07/24/2012 | US8227382 Breaker fluids and methods of using the same |
07/24/2012 | US8227381 Low molecular weight graft copolymers for scale control |
07/24/2012 | US8225866 In situ recovery from a hydrocarbon containing formation |
07/24/2012 | CA2663117C Increased rate of penetration from low rheology wellbore fluids |
07/24/2012 | CA2658696C Subterranean treatment fluids, friction reducing copolymers, and associated methods |
07/24/2012 | CA2642296C Ethoxylated raw cotton linters for completion and workover fluids |
07/24/2012 | CA2569954C Process for stimulating production of hydrogen from petroleum in subterranean formations |
07/24/2012 | CA2568574C Process for stimulating production of methane from petroleum in subterranean formations |
07/19/2012 | WO2012096945A2 Method for cleaning drill cuttings |
07/19/2012 | WO2012095668A1 Particles for use in wellbore fluids |
07/19/2012 | WO2012095630A1 Nanohybrid-stabilized emulsions and methods of use in oil field applications |
07/19/2012 | US20120184588 Compositions of dibromomalonamide and their use as biocides |
07/19/2012 | US20120184470 Use Of Alk(en)yl Oligoglycosides In Enhanced Oil Recovery Processes |
07/19/2012 | US20120184469 Stimulated Liquid-Sensitive Subterranean Formations |
07/19/2012 | US20120184468 Composition and Method for Dissipating Heat Underground |
07/19/2012 | US20120183687 Methods for Reducing Particulate Density |
07/19/2012 | US20120181473 Fluorinated cationic surfactant |
07/19/2012 | US20120181035 Methods of Preparing Degradable Materials |