| 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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| 11/07/2013 | US20130292121 Surfactant formulations for foam flooding |
| 11/07/2013 | US20130292118 Particulates Having Hydrophobic and Oleophobic Surfaces and Methods Relating Thereto |
| 11/07/2013 | US20130292112 Composition and method for locating productive rock fractures for fluid flow |
| 11/06/2013 | EP2660298A1 Composite solids system to prepare polymer solutions for hydraulic fracturing treatments |
| 11/06/2013 | EP2659028A1 Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors |
| 11/06/2013 | EP2658947A2 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 11/06/2013 | EP2658946A2 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 11/06/2013 | EP2658945A1 Hybrid mixtures for gas hydrate inhibition applications |
| 11/06/2013 | CN103384711A Method for extracting crude oil from crude oil reservoirs with a high reservoir temperature |
| 11/06/2013 | CN103384710A Wellbore strengthening composition |
| 11/06/2013 | CN103384709A Method for limiting the water or gas coning in an extraction well of a hydrocarbon fluid |
| 11/06/2013 | CN103384708A Water-based drilling fluids containing crosslinked polyacrylic acid |
| 11/06/2013 | CN103382387A Slurry compositions and methods for making same |
| 11/06/2013 | CN103382386A Well entering fluid and anti-leaking gel and preparation method thereof |
| 11/06/2013 | CN103382385A Methylglucoside polyamine drilling fluid and preparation process thereof |
| 11/06/2013 | CN103382237A Preparation method for dispersed oil well cement fluid loss additives |
| 11/06/2013 | CN102899007B High-temperature resistant viscosity reducer for drilling fluids and preparation method for viscosity reducer |
| 11/06/2013 | CN102703046B Condensed sand carrying agent used for under-pressure oil gas well |
| 11/06/2013 | CN102703045B Multi-slug composite pressure decreasing and injection increasing agent for ultra-low permeability oil field |
| 11/06/2013 | CN102690640B Pressure reducing and injection increasing agent containing lipopeptide biological enzyme |
| 11/06/2013 | CN102676142B Condensate oil foam discharging agent applied to natural gas extraction |
| 11/06/2013 | CN102643635B Stratum water-injection augmented injection agent of oil field |
| 11/06/2013 | CN102618239B Salt- and temperature-resistant emulsification viscosity reducer for heavy oil |
| 11/06/2013 | CN102604616B Crude oil viscosity reducing device and preparation method of crude oil viscosity reducing device |
| 11/06/2013 | CN102585786B Seepage plugging agent for controlling peek-shaped water absorption in water injection well |
| 11/06/2013 | CN102516975B Instant recoverable slippery water for shale gas reservoir |
| 11/06/2013 | CN102505928B Method for treating natural gas well suite gas channeling |
| 11/06/2013 | CN102504790B Method for reversing gas humidity on surface of rock core by using cationic fluorocarbon surfactant |
| 11/06/2013 | CN102504782B Light-bead leakage-proof cement paste for well cementation and manufacturing technology |
| 11/06/2013 | CN102453470B Copolymer fluid loss agent with resistance against temperature and salt for drilling liquid and preparation method thereof |
| 11/06/2013 | CN102449103B Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
| 11/06/2013 | CN102432748B Amphipol and application thereof |
| 11/06/2013 | CN102408518B Microcrosslinking polymer for oil displacement and preparation method thereof |
| 11/06/2013 | CN102304069B Method for synthesizing saturated cardanol sulfonate surfactant for oil displacement |
| 11/06/2013 | CN102241803B Method for preparing modified sulfomethal phenolaldehy resin for drilling liquid |
| 11/06/2013 | CN102216415B Thermoplastic cellulosic fiber blends as lost circulation materials |
| 11/06/2013 | CN102212349B Micro-coil water plugging agent for high-water-content low-oil-production well and injection method thereof |
| 11/06/2013 | CN102031101B Heat-resistant and salt-resistant polymer thickening agent and preparation method thereof |
| 11/06/2013 | CN101955448B Amide group-containing hydroxysulfobetaine and preparation and application thereof |
| 11/06/2013 | CN101942295B High temperature resisting rectorite water base drilling fluid for deep stratigraphical drilling |
| 11/06/2013 | CN101861444B Systems and methods for producing oil and/or gas |
| 11/06/2013 | CN101717626B Application of methylnaphthalene in lowering viscosity of thickened oil |
| 11/06/2013 | CN101679847B A method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams |
| 11/06/2013 | CN101600774B Oxidized and maleated compounds and compositions |
| 11/06/2013 | CN101484400B Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods |
| 11/05/2013 | US8575075 Oil-field viscosity breaker method utilizing a peracid |
| 11/05/2013 | US8575074 Insensitive explosive composition and method of fracturing rock using an extrudable form of the composition |
| 11/05/2013 | US8575073 Slickwater treatment fluid and method |
| 11/05/2013 | US8575072 Fluid loss additives and methods of making and using same |
| 11/05/2013 | US8573299 Non-ionic alkali polymer solutions for enhanced oil recovery in a subterranean formation |
| 11/05/2013 | CA2753255C Methods for reducing biological load in subterranean formations comprising ttpc |
| 11/05/2013 | CA2739355C Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications |
| 11/05/2013 | CA2684670C In-situ formation of solids for well completions and zonal isolation |
| 11/05/2013 | CA2682949C Fluid pressure transmission pill |
| 11/05/2013 | CA2618394C Wellbore treatment compositions containing foam extenders and methods of use thereof |
| 10/31/2013 | WO2013163645A1 Methods and systems for causing reaction driven cracking in subsurface rock formations |
| 10/31/2013 | WO2013163504A1 Well treatment compositions and methods utilizing nano-particles |
| 10/31/2013 | WO2013162921A1 Self-degrading cement compositions and associated fluid loss applications |
| 10/31/2013 | WO2013162904A1 Wide temperature range cement retarder |
| 10/31/2013 | WO2013162902A1 Synergistic combination of a fluid loss additive and rheology modifier |
| 10/31/2013 | WO2013162819A1 Method of using multi-component fibers as lost-circulation material |
| 10/31/2013 | WO2013162763A1 Gellable treatment fluids having adjustable gel times and methods associated therewith |
| 10/31/2013 | WO2013162002A1 Polyester resin composition and molded article of same |
| 10/31/2013 | WO2013161755A1 Short polyglycolic-acid-resin fibers and well-treatment fluid |
| 10/31/2013 | WO2013161754A1 Short polyglycolic-acid-resin fibers for use in well-treatment fluid |
| 10/31/2013 | WO2013160334A1 One step process to remove filter cake and treat a subterranean formation with a chelating agent |
| 10/31/2013 | WO2013160332A1 Foam or viscosified composition containing a chelating agent |
| 10/31/2013 | WO2013123207A3 Methods and compositions comprising cement kiln dust having an altered particle size |
| 10/31/2013 | US20130288935 Compositions and methods useful for oil extraction |
| 10/31/2013 | US20130288934 Composite Solids System to Prepare Polymer Solutions for Hydraulic Fracturing Treatments |
| 10/31/2013 | US20130288933 Rheology Modifiers |
| 10/31/2013 | US20130288932 Methods of cryodesiccating a broth comprising a biopolymer of an exopolysaccharide |
| 10/31/2013 | US20130284518 Method of using multi-component fibers as lost-circulation material |
| 10/31/2013 | US20130284439 Wide temperature range cement retarder |
| 10/31/2013 | US20130284427 Constraining Pyrite Activity in Shale |
| 10/30/2013 | EP2657314A1 Fluid loss additive for oil-based muds |
| 10/30/2013 | EP2655544A2 Method for treating hydrocarbon-bearing formations with fluorinated amine |
| 10/30/2013 | EP2655543A1 Methods for cementing in a subterranean formation using a cement composition containing calcium silicate hydrate seeds |
| 10/30/2013 | EP2655542A1 Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
| 10/30/2013 | EP2655541A1 Novel process for drilling subterranean cavities |
| 10/30/2013 | EP2655540A2 Drilling fluids having reduced sag potential and related methods |
| 10/30/2013 | EP2655539A1 Water-based drilling fluids containing crosslinked polyacrylic acid |
| 10/30/2013 | EP2655538A2 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amine oxides |
| 10/30/2013 | EP2655454A1 Filamentous polymer particles and use thereof as rheology modifiers |
| 10/30/2013 | CN103380208A Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams |
| 10/30/2013 | CN103380190A Composition and method for removing filter cake |
| 10/30/2013 | CN103375153A Oil field profile control and water shutoff method |
| 10/30/2013 | CN103374345A Colloid acid system for acid fracturing of carbonate reservoir and preparation method thereof |
| 10/30/2013 | CN103374344A Fracturing liquid system having surface activity after gel breaking |
| 10/30/2013 | CN103374343A Water-absorbent expanding material for profile-control displacement of reservoir oil and production method of material |
| 10/30/2013 | CN103374342A Profile control and water plugging agent and method for oil field |
| 10/30/2013 | CN103374341A Preparation method and application of gemini amphiphilic surfactant |
| 10/30/2013 | CN103374098A Preparation method of efficient horizontal well water shutoff agent |
| 10/30/2013 | CN103374087A Functional polymer mixed with sewage and preparation method thereof |
| 10/30/2013 | CN102911902B Anoxybacillussp and application thereof |
| 10/30/2013 | CN102559154B Deoxidant for drilling fluid and preparation method for deoxidant |
| 10/30/2013 | CN102504788B Foaming agent suitable for oil-field development |
| 10/30/2013 | CN102391840B Non-toxic, non-fluorescent lubricant for drilling fluid |
| 10/30/2013 | CN101906289B Winterizing agents for oil base polymer slurries and method for making using same |
| 10/30/2013 | CN101880523B Enzyme-microbe coupled fracturing fluid system and preparation method and applications thereof |