Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
09/2012
09/27/2012US20120245060 Cross-linkers for hydraulic fracturing fluid
09/27/2012US20120245059 Use of high ratio aqueous alkali silicates in drilling fluids
09/27/2012US20120245058 Graphene-Containing Fluids for Oil and Gas Exploration and Production
09/27/2012US20120241220 Dendritic Surfactants and Extended Surfactants for Drilling Fluid Formulations
09/27/2012US20120241158 Radical trap in oil and gas stimulation operations
09/27/2012US20120241157 Sintered particles and methods for producing sintered particles from a slurry of an alumina-containing raw material
09/27/2012US20120241155 Compositions and methods for cleaning a wellbore prior to cementing
09/27/2012DE102011015046A1 Hochkonzentrierte fließfähige Salze von Alkylpolyalkoxysulfaten Highly concentrated flowable salts of Alkylpolyalkoxysulfaten
09/27/2012CA2830760A1 Highly-concentrated flowable salts of alkyl polyalkoxy sulphates
09/27/2012CA2829451A1 Treatment fluids containing a biodegradable chelating agent and methods for use thereof
09/27/2012CA2827973A1 Methods of fluid loss control and fluid diversion in subterranean formations
09/26/2012EP2502971A1 Modification of Solid Polysaccharide with Transesterification Agent
09/26/2012EP2501898A2 Heat generation process for treating oilfield deposits
09/26/2012EP2501776A1 Surfactant based viscoelastic fluids and methods of using the same
09/26/2012EP2501775A2 Compositions and systems for combatting lost circulation and methods of using the same
09/26/2012EP2501774A1 Water control additive compounds and methods of making and using same
09/26/2012EP2501677A2 A method of making a synthetic alkylaryl sulfonate
09/26/2012CN102695847A Hydraulic fracturing system
09/26/2012CN102695773A Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
09/26/2012CN102690857A Method for preparing medium-low molecular weight dextran by using biological method
09/26/2012CN102690645A Sustained-release gel-breaking type fracturing propping agent and preparation method thereof
09/26/2012CN102690644A Binary alkali-free complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof
09/26/2012CN102690643A Ternary complex composition for flooding and application thereof in tertiary oil recovery
09/26/2012CN102690642A Ternary complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof
09/26/2012CN102690641A Sulfonate surfactant and preparation method thereof
09/26/2012CN102690640A Pressure reducing and injection increasing agent containing lipopeptide biological enzyme
09/26/2012CN102690639A Outside casing channeling-blocking agent
09/26/2012CN102690638A Preparation method of fast drilling agent for drilling fluid
09/26/2012CN102690441A Resin fiber, plugging agent for petroleum drilling and processing technology of plugging agent
09/26/2012CN102690391A Synthesis method of hydrate inhibitor polyvinyl caprolactam
09/26/2012CN102690390A Hydrophobically associating water soluble polymer oil-displacing agent and synthetic method thereof
09/26/2012CN102690369A Production method of hydroxypropyl konjac glucomannan and product
09/26/2012CN101696352B Ground pregrouting material prepared from waste drilling slurry
09/25/2012US8273693 Polymeric gel system and methods for making and using same in hydrocarbon recovery
09/25/2012US8273692 Permeability-modifying drilling fluids and methods of use
09/25/2012US8273691 Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins
09/25/2012US8273690 Crosslinkable polymer compositions comprising phenols and associated methods
09/25/2012US8273689 Method for lubricating and/or reducing corrosion of drilling equipment
09/25/2012CA2685607C Methods for stimulating oil or gas production
09/25/2012CA2684264C Reduced abrasion drilling fluid
09/25/2012CA2657245C Compositions, methods and uses for sterically hindered quaternary ammonium compounds
09/25/2012CA2581888C Shale hydration inhibition agent and method of use
09/25/2012CA2526419C Compounded hydrocarbon oil and oil base drilling fluids prepared therefrom
09/21/2012CA2771804A1 Use of high ratio aqueous alkali silicates in drilling fluids
09/21/2012CA2771577A1 Use of high ratio aqueous alkali silicates for profile modification, water control and stabilization
09/20/2012WO2012125539A1 Oil recovery process for carbonate reservoirs
09/20/2012WO2012125412A1 Proppant particles formed from slurry droplets and method of use
09/20/2012WO2012125219A2 Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides
09/20/2012WO2012123701A1 Inulin as corrosion inhibitor
09/20/2012WO2012123338A1 Bore hole fluid comprising dispersed synthetic polymeric fibers
09/20/2012WO2012123319A1 Encapsulated activator and its use to trigger a gelling system by physical means
09/20/2012WO2012123011A1 Well treatment
09/20/2012US20120238663 Zero Shear Viscosifying Agent
09/20/2012US20120238479 Inulin as corrosion inhibitor
09/20/2012US20120237981 Amylases, nucleic acids encoding them and methods for making and using them
09/20/2012US20120234548 Oil well cleaning compositions
09/20/2012US20120234540 Particulate Flow Enhancing Additives and Associated Methods
09/20/2012CA2829707A1 Well treatment
09/20/2012CA2829694A1 Proppant particles formed from slurry droplets and method of use
09/20/2012CA2829508A1 Encapsulated activator and its use to trigger a gelling system by physical means
09/20/2012CA2828781A1 Oil recovery process for carbonate reservoirs
09/19/2012EP2500395A2 Rod-shaped proppants and anti-flowback additives, methods of manufacturing, and methods of use
09/19/2012CN102686696A Process for tertiary mineral oil production using surfactant mixtures
09/19/2012CN102679158A A process for achieving improved friction reduction in hydraulic fracturing and coiled tubing applications in high salinity conditions
09/19/2012CN102678083A Grouting method and grouting device
09/19/2012CN102676151A Ultra-low-density ceramic proppant taking pebbles as main additive and preparation method thereof
09/19/2012CN102676150A Solid acid for acid fracturing capacity increasing revamping
09/19/2012CN102676149A Viscoelastic fluid, preparation method thereof and method for treating subsurface formation
09/19/2012CN102676148A High-density low-friction fracturing fluid
09/19/2012CN102676147A Large-scale transformed low-residue fracturing fluid
09/19/2012CN102676146A Super guanidine gum fracturing fluid
09/19/2012CN102676145A High-temperature foaming agent and preparation method thereof
09/19/2012CN102676144A Composition for penetration-driving oil recovery agent and penetration-driving oil recovery agent
09/19/2012CN102676143A Fatty alcohol-polyoxyethylene ether propionate surfactant and preparation method thereof and application thereof to tertiary recovery
09/19/2012CN102676142A Condensate oil foam discharging agent applied to natural gas extraction
09/19/2012CN102676141A Deformable plugging and anti-sloughing agent for drilling fluid
09/19/2012CN102676140A Nitrogenous heterocyclic quaternary ammonium salt acidizing corrosion inhibitor and preparation method thereof
09/19/2012CN102676139A Micro paraffin inhibitor used for high-temperature high-salt oil well and preparation method thereof
09/19/2012CN102676138A Cross-linking type low solid mud for breast wall in rock-soil drilling project or groove drilling and digging project and preparing method thereof
09/19/2012CN102676137A Crude oil emulsifier for water shutoff of oil well and preparation method and application of crude oil emulsifier
09/19/2012CN102676136A Low-fluorescence high temperature resistant drilling fluid
09/19/2012CN102676135A Method for preparing cationic fluid loss agent
09/19/2012CN102676134A Preparation method for vegetable oil anti-jamming lubricant
09/19/2012CN102676133A Method for preparing high temperature viscosity reduction agent for drilling fluid
09/19/2012CN102676132A Preparation method for organic amine inhibitor used for drilling fluid
09/19/2012CN102676131A Method for preparing humic acid viscosity reducer for drilling fluid
09/19/2012CN102676130A Method for preparing viscosity reducer for drilling fluid
09/19/2012CN102676129A Water-based lubricant for drilling fluid as well as preparation and application of water-base lubricant
09/19/2012CN102676128A Special high temperature resistant drilling fluid additive
09/19/2012CN102676127A Method for making low-fluorescence lubricant for drilling fluid
09/19/2012CN102675799A Preparation method for filtrate reducer used for drilling fluid
09/19/2012CN102675560A Preparation method for high temperature resisting viscosity reducer
09/19/2012CN101805594B Oil drilling slurry viscosity reducer
09/18/2012US8268758 Consolidating emulsions comprising convertible surfactant compositions and methods related thereto
09/18/2012US8268757 Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions
09/18/2012US8267176 Formation conditioning fluids comprising peroxides and methods relating thereto
09/18/2012US8267175 Method for wellbore servicing to enhance the mechanical strength of cement using electrochemically activated water
09/18/2012CA2711335C Secondary emulsifiers for inverted emulsion fluids and methods for making and using same
09/18/2012CA2595686C Soluble diverting agents
09/18/2012CA2522156C 2-hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents
1 ... 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 ... 318