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)
02/2014
02/19/2014CN102732244B Cross-linking agent for fracturing fluid with ultralow hydroxypropyl guar concentration and fracturing fluid prepared from cross-linking agent
02/19/2014CN102660240B Multi-temperature-section MTC (mud to cement) well cementing liquid and preparation method thereof
02/19/2014CN102634332B Blockage remover for decompression and steam injection in high clay content sandstone oil reservoir
02/19/2014CN102617800B Delay intumescent profile control blocking agent and application method thereof
02/19/2014CN102603945B Preparation method of colored sodium polyacrylate gel particles
02/19/2014CN102213087B Throughout and displacement combined microbial oil recovery method
02/19/2014CN102083939B Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss
02/19/2014CN101845299B Crude oil pour point depressant and preparation method thereof
02/19/2014CN101842459B Method of enhancing oil recovery
02/18/2014US8653012 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids
02/18/2014US8653011 Gelled hydrocarbon system and method with dual-function viscosifier/breaker additive
02/18/2014US8653010 Methods of using reactive surfactants in subterranean operations
02/18/2014US8653009 Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams
02/18/2014US8653008 Well treatment
02/18/2014US8651185 Reducing or stopping the uncontrolled flow of fluid such as oil from a well
02/18/2014CA2708475C Invert silicate fluids for wellbore strengthening
02/18/2014CA2662295C Hydrocarbon recovery process
02/18/2014CA2457700C Mutual solvent for improved oil and gas permeability
02/13/2014WO2014026003A1 Well treatment fluids containing an ylide or a vitamin b and methods of using the same
02/13/2014WO2014025863A1 System for producing and separating oil
02/13/2014WO2014025847A1 Process for producing and separating oil
02/13/2014WO2014025649A1 Method and system for servicing a wellbore
02/13/2014WO2014023936A1 Recovery of oil
02/13/2014US20140045732 Mobilization of heavy oil
02/13/2014US20140045731 Equipment and Methods for Preparing Curved Fibers
02/13/2014US20140041944 Water-based polymer drilling fluid and method of use
02/13/2014US20140041877 Well Treatment Fluids Containing An Ylide Or A Vitamin B And Methods Of Using The Same
02/13/2014US20140041875 Alkylaryl sulphonate compositions and use thereof for the enhanced recovery of hydrocarbons
02/13/2014US20140041870 Method For Reducing Permeability Of A Subterranean Reservoir
02/13/2014US20140041869 Method and System for Servicing a Wellbore
02/13/2014US20140041690 Synthetic Acid and Associated Methods
02/12/2014EP2694618A1 Process for producing mineral oil from underground formations
02/12/2014EP2694617A1 Special fluid composition and use thereof
02/12/2014EP2694616A2 Method and compositions for enhanced oil recovery
02/12/2014EP2694615A2 Biomass-based oil field chemicals
02/12/2014EP2694614A1 Treatment fluids containing a relative permeability modifier and a companion polymer interacting synergistically therewith and methods for use thereof
02/12/2014CN103582688A Oil recovery process for carbonate reservoirs
02/12/2014CN103582687A Method of well treatment using synthetic polymers
02/12/2014CN103573231A Method for improving recovery ratio of sensitive heavy oil reservoir
02/12/2014CN103571453A Immovable pipe column weak acid acidizing fluid for water injection well and preparation method thereof
02/12/2014CN103571452A Acidizing corrosion inhibitor applicable to high temperature of 140 to 160 DEG C, and preparation and application thereof
02/12/2014CN103571451A Acidizing corrosion inhibitor applicable to high temperature of 120 to 140 DEG C, and preparation and application thereof
02/12/2014CN103571450A Low friction emulsifying acid liquid for fracturing acidification, and application thereof
02/12/2014CN103571449A Clay stabilizer for long-acting oil wells and preparation and applications thereof
02/12/2014CN103571448A Acidizing corrosion inhibitor applicable to high temperature of 160 to 180 DEG C, and preparation and application thereof
02/12/2014CN103571447A Self-cleaning temporary plugging agent for drilling fluid and preparation method of self-cleaning temporary plugging agent
02/12/2014CN103571446A Low-density oil well cement additive, and preparation method and applications thereof
02/12/2014CN103571445A Silicate plugging agent for oil-well water plugging and application method thereof
02/12/2014CN103571444A High temperature-resistant oil well cement additive, and preparation and applications thereof
02/12/2014CN103571443A Fiber flushing spacer fluid for oilfield well cementation
02/12/2014CN103571442A Preparation method and application of clay inhibitor derived from melamine
02/12/2014CN103571441A Wear-resistant drag reducer for drilling fluid and preparation method thereof
02/12/2014CN103570985A Water-swelling rubber composite material, and preparation method and application thereof
02/12/2014CN103570887A Amphiphilic block T-shaped copolymer and preparation method thereof
02/12/2014CN103570867A Acrylamide series terpolymer, preparation method, and applications thereof
02/12/2014CN103570866A Acrylamide series terpolymer, preparation method, and applications thereof
02/12/2014CN103570865A Acrylamide series terpolymer, preparation method, and applications thereof
02/12/2014CN103570864A Acrylamide series terpolymer, preparation method, and applications thereof
02/12/2014CN103570859A Inorganic montmorillonoid composited cross-linked polymer microsphere as well as preparation method and application thereof
02/12/2014CN103566978A Copper-molybdenum dual-metal center thick oil hydrothermal pyrolysis catalytic viscosity reducer and preparation method thereof
02/12/2014CN103566816A Tripolyamine nonionic surfactant as well as preparation method and application thereof
02/12/2014CN103254879B Composition for anti-collapse drilling fluid capable of reducing collapse pressure, anti-collapse drilling fluid and anti-collapse method
02/12/2014CN103087690B Application of aromatic amine hydrochloride serving as shale inhibitor for drilling fluid
02/12/2014CN102786922B Method for preparing high-strength oil fracturing proppant by high-iron bauxite
02/12/2014CN102703048B Efficient salt-tolerant high-temperature-resistant oil displacement agent for heavy oil reservoirs and preparation method thereof
02/12/2014CN102690391B Synthesis method of hydrate inhibitor polyvinyl caprolactam and vinyl imidazole copolymer
02/12/2014CN102287167B Method for removing and preventing wax of mechanical recovery well by microorganism
02/12/2014CN101955761B Imitated oil base high-density drilling fluid
02/11/2014US8648018 Crosslinked swellable polymer
02/07/2014CA2786217A1 Enhanced oil recovery initiated by zero emission in-situ combustion
02/06/2014WO2014022626A1 Enhanced oil recovery methods using a fluid containing a sacrificial agent
02/06/2014WO2014022622A1 Enhanced oil recovery fluid containing a sacrificial agent
02/06/2014WO2014022616A1 Enhanced oil recovery methods using a fluid containing a sacrificial agent
02/06/2014WO2014022502A1 Fluid mixture for softening a downhole device
02/06/2014WO2014022374A1 N-vinylpyrrolidone-based cationic copolymer for separating an oil-in-water emulsion
02/06/2014WO2014022372A1 Cationic vinyl imidazolium-based copolymer for separating an oil-in-water emulsion
02/06/2014WO2014022210A2 Synthetic proppants and monodispersed proppants and methods of making the same
02/06/2014WO2014020061A1 Method of enhanced oil recovery
02/06/2014US20140038860 Synthetic Proppants And Monodispersed Proppants And Methods Of Making The Same
02/06/2014US20140038859 Synthetic Proppants And Monodispersed Proppants And Methods Of Making The Same
02/06/2014US20140038858 Enhanced oil recovery fluid containing a sacrificial agent
02/06/2014US20140038857 Lost Circulation Material With A Multi-Modal Large Particle Size Distribution
02/06/2014US20140037962 Method for production of proppants
02/06/2014US20140034823 Non-radioactive tagged cement additive for cement evaluation in a well system
02/06/2014US20140034331 Fluid Mixture for Softening a Downhole Device
02/06/2014US20140034323 Methods and Compositions for the Controlled Crosslinking and Viscosifying of Well Servicing Fluids Utilizing Mixed Borate Hydrocarbon-Based Suspensions
02/06/2014US20140034320 High solids content fluid having degradable oil
02/06/2014US20140034307 Enhanced oil recovery methods using a fluid containing a sacrificial agent
02/06/2014US20140034143 Hydraulic Fluid Compositions
02/05/2014EP2691489A1 Delayed release well treatment composites for use in well treatment fluids
02/05/2014EP2691354A2 Ceramic particle and process for making the same
02/05/2014CN103562341A Composition and method for enhanced hydrocarbon recovery
02/05/2014CN103562340A Method for microbial control of injection liquid flow in hydrocarbon reservoir
02/05/2014CN103562339A Curable composition for use as lost circulation material
02/05/2014CN103556156A Corrosion inhibitor for high-carbon-dioxide and high-hydrogen sulfide oilfield and preparation method thereof
02/05/2014CN103555629A Bacterial strain for producing medium-low-temperature beta-mannase as well as application thereof
02/05/2014CN103555628A Oilfield on-site production method of oil-displacement microbial inoculum
02/05/2014CN103555316A Ceramsite proppant for exploitation and fracturing of shale oil and gas, as well as preparation method of ceramsite proppant
02/05/2014CN103555315A Carbon base supporting agent and preparation method thereof
02/05/2014CN103555314A Supporting agent and preparation method thereof
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