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)
01/2014
01/03/2014CA2878085A1 Glycerin ether ethoxylate solfactants
01/03/2014CA2877955A1 System for processing and producing an aggregate
01/03/2014CA2877830A1 Methods of improving hydraulic fracture network
01/03/2014CA2877708A1 Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations
01/03/2014CA2877631A1 Spherical pellets containing common clay particulate material useful as a proppant in hydraulic fracturing of oil and gas wells
01/03/2014CA2877628A1 Catalyst composition, method of producing the same and the use of the same
01/03/2014CA2877162A1 Clay-compatible additive for construction chemicals
01/03/2014CA2877138A1 Method of removing inorganic scales
01/03/2014CA2877132A1 Use of metal silicides in hydrocarbon production and transportation
01/03/2014CA2876214A1 Petroleum recovery process and system
01/03/2014CA2876213A1 Petroleum recovery process and system
01/03/2014CA2876189A1 Petroleum recovery process and system
01/03/2014CA2876183A1 Petroleum recovery process and system
01/03/2014CA2875750A1 Rheology modifier for drilling and well treatment fluids
01/03/2014CA2875660A1 Foamed spacer fluids containing cement kiln dust and methods of use
01/02/2014US20140005082 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil
01/02/2014US20140005081 Spread crosslinker and method of water control downhole
01/02/2014US20140005080 Methods to Prevent Formation Damage from Friction Reducers
01/02/2014US20140005079 Environmentally Friendly Solvent Systems/Surfactant Systems For Drilling Fluids
01/02/2014US20140000897 Fracturing Fluids and Methods For Treating Hydrocarbon-Bearing Formations
01/02/2014US20140000896 Fracturing Fluids and Methods For Treating Hydrocarbon-Bearing Formations
01/02/2014US20140000891 Self-suspending proppants for hydraulic fracturing
01/02/2014US20140000890 Fracturing Fluids and Methods For Treating Hydrocarbon-Bearing Formations
01/02/2014US20140000886 Petroleum recovery process and system
01/02/2014US20140000882 Petroleum recovery process and system
01/02/2014US20140000879 Petroleum recovery process and system
01/02/2014US20140000874 Reducing sulfide in oil reservoir production fluids
01/01/2014EP2679613A1 Sound-resistant additive for construction products
01/01/2014EP2678422A1 Alkaline microbial enhanced oil recovery
01/01/2014EP2678414A1 Compositions comprising alkylalkoxysulfonates for the production of high temperature stable foams
01/01/2014EP2678402A1 Metallic nanoparticle biocide in industrial applications
01/01/2014EP2678401A1 Chelate compositions and methods and fluids for use in oilfield operations
01/01/2014EP2678309A1 Chelating agent precursors, fluids containing them, and their use
01/01/2014CN103492664A Well treatment methods and systems
01/01/2014CN103492527A Metallic nanoparticle biocide in industrial applications
01/01/2014CN103492526A Composites for controlled release of well treatment agents
01/01/2014CN103492525A Compositions and methods for cleaning a wellbore prior to cementing
01/01/2014CN103492524A Well treatment
01/01/2014CN103492523A Non-aqueous drilling additive useful to produce a flat temperature-rheology profile
01/01/2014CN103492167A Metering process and device for performing the process
01/01/2014CN103484098A Low-density high-strength ceramsite proppant and preparation method thereof
01/01/2014CN103484097A Ground crosslinked acid crosslinking agent and preparation method thereof
01/01/2014CN103484096A Densifier for aqueous fracturing fluid and preparation method thereof
01/01/2014CN103484095A Fracturing inclusion self-dissolving diversion agent and preparation method thereof
01/01/2014CN103484094A High-temperature-resistant gelled fracturing fluid, and preparation method and application thereof
01/01/2014CN103484093A Gel breaking and emulsion breaking oil-in-water emulsification fracturing fluid
01/01/2014CN103484092A Ultralow-temperature guanidine gum fracturing fluid
01/01/2014CN103484091A O-vanillin p-aminobenzoic acid Schiff-base polyethylene glycol monolaurate and application thereof
01/01/2014CN103484090A P-methoxybenzaldehyde condensed p-aminobenzoic acid Schiff base polyethylene glycol lauric acid monoester and application thereof
01/01/2014CN103484089A Oil-well corrosion-inhibition salt inhibitor and preparation method thereof
01/01/2014CN103484088A Blocking remover suitable for acidification of complex lithologic reservoirs and acidification blocking removing method
01/01/2014CN103484087A Viscoelastic well cementation packing material
01/01/2014CN103484086A Gel-particle type water plugging agent and preparation method thereof
01/01/2014CN103484085A Instant strong coating inhibitor for drilling fluid and preparation method of strong coating inhibitor
01/01/2014CN103484084A Multifunctional oligomerization lubricant for drilling fluid and preparation method of lubricant
01/01/2014CN103483500A High-temperature resistant and strong water-absorbing fluid loss additive and application thereof
01/01/2014CN103483498A Hydrophobic association zwitterionic polymer and preparation method thereof
01/01/2014CN103483497A Physical adsorption type selective water blocking agent and synthesis method thereof
01/01/2014CN103483496A Random copolymer, and preparation method and application thereof, and oil-displacing agent composition and preparing method of oil-displacing agent composition
01/01/2014CN103483216A Polymerizable monomer, and preparation method and application thereof
01/01/2014CN103480424A Preparation method and application of super dispersing catalyst for quality improvement and viscosity reduction of thickened oil
01/01/2014CN103480419A Selective high-molecular fracture catalyst as well as preparation method and application thereof
01/01/2014CN102660238B Method for preparing impervious filtrate reducer used for drilling fluid by fungus chaff
01/01/2014CN102634331B Horizontal well acidizing-based phase-state transformation acid
01/01/2014CN102533234B Cement composition and application thereof
01/01/2014CN102516972B Comb-shaped modified polysiloxane anion water-base thick oil viscosity reducer and synthesizing method thereof
01/01/2014CN102251756B Mountain flour plugging method
01/01/2014CN102155209B Method for fracturing stratum by acidity viscoelastic fluid
01/01/2014CN101967372B Water-based well drilling viscosity reducer and synthesis method thereof
12/2013
12/31/2013US8618026 Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use
12/31/2013US8618025 Composition and method for reducing hydrate agglomeration
12/31/2013CA2790667C Methods and compositions for preventing high density well completion fluid loss
12/31/2013CA2740060C Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation
12/31/2013CA2738364C Method of enhancing the effectiveness of a cyclic solvent injection process to recover hydrocarbons
12/31/2013CA2723856C Compositions and methods for the removal of oil-based filtercakes
12/31/2013CA2694425C Viscosifying polymers and methods of use
12/31/2013CA2672487C Preconditioning an oilfield reservoir
12/31/2013CA2662210C Internal breaker for oilfield treatments
12/31/2013CA2640408C Cement composition for carbon dioxide supercritical environment
12/31/2013CA2526998C Method of decreasing the disintegration of shale-containing cuttings and drilling fluid therefor
12/28/2013CA2781273A1 Diluting agent for diluting viscous oil
12/27/2013WO2013192634A2 Self-suspending proppants for hydraulic fracturing
12/27/2013WO2013192438A2 Self-suspending proppants for hydraulic fracturing
12/27/2013WO2013191890A1 Self-degrading ionically cross-linked biopolymer composition for well treatment
12/27/2013WO2013191867A1 Methods of using nanoparticle suspension aids in subterranean operations
12/27/2013WO2013191815A1 Breaking diutan with metal activator down to 140 °f or lower
12/27/2013WO2013191776A1 Oil absorbent oilfield materials as additives in oil-based drilling fluid applications
12/27/2013WO2013189977A1 Compositions and methods for completing subterranean wells
12/27/2013WO2013189842A1 Process to produce oil or gas from a subterranean formation using a chelating agent
12/27/2013WO2013189731A1 Composition containing an emulsified chelating agent and process to treat a subterranean formation
12/27/2013WO2013188906A1 Inflatable borehole plug and inflation medium
12/27/2013CA2877677A1 Compositions and processes for downhole cementing operations
12/27/2013CA2877319A1 Self-degrading ionically cross-linked biopolymer composition for well treatment
12/27/2013CA2876395A1 Oil absorbent oilfield materials as additives in oil-based drilling fluid applications
12/27/2013CA2876193A1 Breaking diutan with metal activator down to 140 °f or lower
12/27/2013CA2875938A1 Process to produce oil or gas from a subterranean formation using a chelating agent
12/27/2013CA2875725A1 Composition containing an emulsified chelating agent and process to treat a subterranean formation
12/26/2013US20130345100 Spherical pellets containing common clay particulate material useful as a proppant in hydraulic fracturing of oil and gas wells
12/26/2013US20130345099 Nano-Encapsulated Triggered-Release Viscosity Breaker
12/26/2013US20130345098 Oil Absorbent Oilfield Materials as Additives in Oil-Based Drilling Fluid Applications
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