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