| 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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| 01/23/2014 | WO2014014633A1 Use of expandable self-removing filler material in fracturing operations |
| 01/23/2014 | WO2014014631A1 Absorbent polymers, and related methods of making and using the same |
| 01/23/2014 | US20140024562 High solids content slurries, systems and methods |
| 01/23/2014 | US20140024561 Absorbent Polymers, and Related Methods of Making and Using the Same |
| 01/23/2014 | US20140024560 Drilling fluid using surfactant package |
| 01/23/2014 | US20140021659 Method of Manufacturing and Using Rod-Shaped Proppants and Anti-Flowback Additives |
| 01/23/2014 | US20140020899 Flooding operations employing chlorine dioxide |
| 01/23/2014 | US20140020895 Foaming of Set-Delayed Cement Compositions Comprising Pumice and Hydrated Lime |
| 01/22/2014 | EP2687574A1 Winterizing agents for oil base polymer slurries and method for making and using same |
| 01/22/2014 | EP2686400A1 Oil recovery process for carbonate reservoirs |
| 01/22/2014 | EP2686399A1 Treatment fluids containing a biodegradable chelating agent and methods for use thereof |
| 01/22/2014 | CN103534330A Systems and methods of microbial enhanced oil recovery |
| 01/22/2014 | CN103534329A Highly-concentrated flowable salts of alkyl polyalkoxy sulphates |
| 01/22/2014 | CN103527160A Method for activating oil pool indigenous microorganisms to generate bio-emulsifier |
| 01/22/2014 | CN103525886A Clean type liquid guanidine gum and preparation method thereof |
| 01/22/2014 | CN103525396A Method for preparing medium-density high-strength propping agent by utilizing medium-grade and low-grade bauxite |
| 01/22/2014 | CN103525395A Ceramsite oil-gas fracturing propping agent and preparation method thereof |
| 01/22/2014 | CN103525394A Non-additive low-density ceramisite proppant and preparation method thereof |
| 01/22/2014 | CN103525393A Instant-type acid solution thickening agent, preparation method therefor and applications thereof |
| 01/22/2014 | CN103525392A Degradable drag reducer for fracture and preparation method thereof |
| 01/22/2014 | CN103525391A High-temperature resistant clean fracturing fluid and preparation method thereof |
| 01/22/2014 | CN103525390A Fatty acid mixture amide propyl betaine compound and application |
| 01/22/2014 | CN103525389A Nano-nickel catalyst for displacement of reservoir oil as well as preparation method thereof |
| 01/22/2014 | CN103525388A Chemical formula for eliminating hydrogen sulfide in pit shaft |
| 01/22/2014 | CN103525387A Foam cement slurry system and composition |
| 01/22/2014 | CN103525386A Toughening agent for well-cementation cement slurry |
| 01/22/2014 | CN103525385A Polyacrylamide strong gel for well control and preparation method thereof |
| 01/22/2014 | CN103525384A Thixotropy bentonite slurry with high mud-making rate for horizontal crossing well drilling and preparation method thereof |
| 01/22/2014 | CN103525383A Film formation drilling fluid applicable to coal-bed gas well and preparation method thereof |
| 01/22/2014 | CN103525382A Environment-friendly, low-damage and clay-free deep water constant-rheology drilling fluid |
| 01/22/2014 | CN103525381A Horizontal well drilling fluid for protecting coal bed gas reservoir |
| 01/22/2014 | CN103525380A High-temperature saturated salt resistant fluid loss reducer for water-based drilling fluid |
| 01/22/2014 | CN103525379A Polymer nano-silica temperature-resistant, salt-tolerant and fluid loss reducing agent and preparation method thereof |
| 01/22/2014 | CN103524737A Preparation method of polyaspartic acid serving as antiscale agent |
| 01/22/2014 | CN103524370A Fatty acid mixture amide propyl betaine and preparation method thereof |
| 01/22/2014 | CN102732237B Dry wellbore well cementation cement slurry |
| 01/22/2014 | CN102618232B Plugging agent for fractured-vuggy oil reservoir |
| 01/22/2014 | CN102603966B Cross-linked polymer microsphere for oil displacement of oilfield and preparation method for cross-linked polymer microsphere |
| 01/22/2014 | CN102585793B Method for preparing flooding polymer solution based on membrane softening technique |
| 01/22/2014 | CN102083938B High density breaker fluids and methods of use thereof |
| 01/22/2014 | CN102051159B Suspension salt well completion fluid |
| 01/22/2014 | CN101595197B Precipitated weighting agents for use in wellbore fluids |
| 01/21/2014 | US8633255 Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids |
| 01/21/2014 | US8631869 Methods useful for controlling fluid loss in subterranean treatments |
| 01/21/2014 | US8631865 Biotechnological process for hydrocarbon recovery in low permeability porous media |
| 01/21/2014 | CA2649412C Aqueous gels for well bore strengthening |
| 01/20/2014 | CA2821184A1 Additives for improving hydrocarbon recovery |
| 01/16/2014 | WO2014011592A1 Reservoir wellbore fluid |
| 01/16/2014 | WO2014011587A1 Breaker fluid |
| 01/16/2014 | WO2014011546A1 Wellbore fluid used with oil-swellable elements |
| 01/16/2014 | WO2014011544A1 Process for recovery of oleaginous fluids from wellbore fluids |
| 01/16/2014 | WO2014011442A1 Thermally enhanced hdd grout |
| 01/16/2014 | WO2014011143A1 Wellbore strengthening composition |
| 01/16/2014 | WO2014011071A1 Methods for servicing subterranean wells |
| 01/16/2014 | WO2014011066A1 Light ceramic proppants and a method of manufacturing of light ceramic proppants |
| 01/16/2014 | WO2014010267A1 Downhole tool member for hydrocarbon resource recovery |
| 01/16/2014 | WO2014009765A1 Rheological agent, preparation methods and uses thereof |
| 01/16/2014 | WO2014009408A1 Rheological agent, preparation methods and uses thereof |
| 01/16/2014 | WO2014008598A1 Drilling fluids with nano and granular particles and their use for wellbore strengthening |
| 01/16/2014 | WO2013177162A3 Recovery of hydrocarbons from hydrocarbon-containing materials |
| 01/16/2014 | WO2013071113A3 Method of fracturing using mannanohydrolase enzyme breaker |
| 01/16/2014 | US20140014349 Fracturing operations employing chlorine dioxide |
| 01/16/2014 | US20140014348 Self-suspending proppants for hydraulic fracturing |
| 01/16/2014 | US20140014335 Families of scale-inhibitors having different absorption profiles and their application in oilfield |
| 01/16/2014 | US20140014330 Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides |
| 01/15/2014 | EP2683910A2 Well treatment methods and systems |
| 01/15/2014 | EP2683849A1 Quaternary ammonium composition for inhibiting corrosion |
| 01/15/2014 | EP2683788A1 Treatment method for a hydrocarbon- containing system using a biocide |
| 01/15/2014 | EP2683787A1 Encapsulated activator and its use to trigger a gelling system by physical means |
| 01/15/2014 | EP2683786A2 Cross-linkers for hydraulic fracturing fluid |
| 01/15/2014 | EP2683785A1 Well treatment |
| 01/15/2014 | EP2683674A1 Proppant particles formed from slurry droplets and method of use |
| 01/15/2014 | CN103509547A Ceramic proppant added with aluminium dihydrogen phosphate and preparation method of ceramic proppant |
| 01/15/2014 | CN103509546A High-temperature-resistant microemulsified acid system |
| 01/15/2014 | CN103509545A Application for gemini-type quarternary ammonium salt compounds or composition thereof |
| 01/15/2014 | CN103509544A Foamed acid, its preparation and use methods |
| 01/15/2014 | CN103509543A Recyclable fracturing fluid and preparation method thereof |
| 01/15/2014 | CN103509542A Biodegradable elastomeric temporary blocking agent and preparation method thereof |
| 01/15/2014 | CN103509541A Micro-emulsion viscosity reducer for thick oil, and preparation method thereof |
| 01/15/2014 | CN103509540A Gradual injection oil layer deep part blocking remover and injection technology thereof |
| 01/15/2014 | CN103509539A Lightening admixture |
| 01/15/2014 | CN103509538A Novel polymer while-drilling lost circulation additive and preparation method thereof |
| 01/15/2014 | CN103509537A Sludge particle water plugging agent |
| 01/15/2014 | CN103509536A Solid-free drilling fluid |
| 01/15/2014 | CN103509535A Filtrate loss reduction method for water-based drilling fluid, and preparation method for filtrate loss reducer |
| 01/15/2014 | CN103509534A Plugging agent for petroleum drilling |
| 01/15/2014 | CN103509533A Shale inhibitor for well drilling and preparation method thereof |
| 01/15/2014 | CN103509199A Polymer swelling particles for drilling fluid and preparation method thereof |
| 01/15/2014 | CN103509157A Ternary copolymer, preparation method and application of ternary copolymer as well as composition for oil displacement |
| 01/15/2014 | CN103509143A Preparation method of organic/inorganic composite globules |
| 01/15/2014 | CN103509126A Preparation method for high-substitution degree carboxymethyl starch used for drilling fluid |
| 01/15/2014 | CN103509125A Preparation method for hydrophobically modified carboxymethyl starch used for drilling fluid |
| 01/15/2014 | CN103508917A Monomer, binary random copolymer, preparation methods of monomer and binary random copolymer and application of binary random copolymer |
| 01/15/2014 | CN103508914A Hydrophobic polymerizable monomer and oil-displacing agent composition as well as preparation method thereof |
| 01/15/2014 | CN103508913A Monomer, ternary random copolymer, preparation methods of monomer and ternary random copolymer and application of ternary random copolymer |
| 01/15/2014 | CN103506045A Fiber fracturing fluid preparation system |
| 01/15/2014 | CN103506021A Small-particle-size water-in-oil nano emulsion and preparation method thereof |
| 01/15/2014 | CN102911340B Low-heat-release polyurethane grouting reinforcement material and preparation method thereof |
| 01/15/2014 | CN102786919B 乳化沥青调剖剂 Emulsified asphalt profile control agent |
| 01/15/2014 | CN102746838B Blocking remover of gas well shaft |