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)
04/2011
04/12/2011US7923418 Emulsion breaker
04/12/2011US7923417 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications
04/12/2011US7923416 Method of reducing the viscosity of hydrocarbon fluids
04/12/2011US7923415 Methods to reduce settling rate of solids in a treatment fluid
04/12/2011US7923414 Rheology modifier comprising a tetrakis(hydroxyalkyl) phosphonium salt for polymer fluids
04/12/2011US7923413 Lost circulation material for oilfield use
04/12/2011US7921910 Tagged propping agents and related methods
04/12/2011CA2635300C Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof
04/12/2011CA2601017C Methods and compositions for high temperature lightweight cementing
04/12/2011CA2416718C Crosslinked polymer fluids and crosslinking concentrates therefor
04/07/2011WO2011041540A1 Sealant compositions comprising diutan and associated methods
04/07/2011WO2011041086A1 Combined miscible or near miscible gas and asp flooding for enhanced oil recovery
04/07/2011WO2011039544A1 Crosslinking agents for producing gels and polymer beads for oilfield applications
04/07/2011WO2011038861A2 Method and composition to prevent fluid mixing in pipe
04/07/2011WO2011038745A1 Use of alk(en)yl oligoglycosides in enhanced oil recovery processes
04/07/2011WO2010148204A3 Particle stabilized emulsions for extraction of hydrocarbons from oil sands and oil shale
04/07/2011WO2010144352A3 Method for treating hydrocarbon-bearing formations with fluoroalkyl silanes
04/07/2011US20110082058 Equipment and methods for preparing cured fibers
04/07/2011US20110082057 Methods for crosslinking water soluble polymers for use in well applications
04/07/2011CA2775996A1 Crosslinking agents for producing gels and polymer beads for oilfield applications
04/07/2011CA2775773A1 Use of alk(en)yl oligoglycosides in enhanced oil recovery processes
04/07/2011CA2775477A1 Method and composition to prevent fluid mixing in pipe
04/06/2011EP2305767A1 Method and compositon to prevent fluid mixing in pipe
04/06/2011EP2303983A1 Method of secondary oil recovery
04/06/2011EP2303982A1 Use, as thickening agent, of a salty aqueous formulation of a water-soluble cross-linked and hydrophobically-modified acrylic copolymer
04/06/2011EP2303981A2 Methods of delaying the curing of moisture sensitive curable elastomers
04/06/2011EP1723212B1 Improved drilling fluids
04/06/2011CN102007193A Powder coated proppant and method of making the same
04/06/2011CN102002356A Petroleum propping agent with ultra-low density and high strength
04/06/2011CN102002355A Friction-reducing agent of fracturing fluid and preparation method thereof
04/06/2011CN102002354A Oil displacement agent with ultra-low oil-water interfacial tension and application thereof
04/06/2011CN102002353A Oil-soluble thickened oil viscosity reducer
04/06/2011CN102002352A Steel slag cement slurry for oilfield well cementation
04/06/2011CN102002351A Selective chemical water shutoff agent for gravel-packed well
04/06/2011CN102002350A Superhigh temperature water base drilling fluid
04/06/2011CN102002349A Seawater-based polyamine well completion fluid and preparation method thereof
04/06/2011CN102002348A Method for controlling water and preventing sand by using phase permeability regulator
04/06/2011CN101161983B Method for improving cementing plugging effect
04/06/2011CN101014681B Clay inhibitor for the drilling industry
04/05/2011US7919437 Wellbore fluid comprising sulfonated copolymers with pendant alkyl groups
03/2011
03/31/2011WO2011038125A2 Method for handling viscous liquid crude hydrocarbons
03/31/2011WO2011037975A2 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications
03/31/2011WO2011037954A2 Invert emulsion fluids with high internal phase concentration
03/31/2011WO2011037849A2 Foamers for downhole injection
03/31/2011WO2011037832A2 Foamers for downhole injection
03/31/2011WO2011037778A1 Estolide compositions having excellent low temperature properties
03/31/2011WO2011036463A1 Cement compositions and methods utilizing nano-clay
03/31/2011WO2011036462A1 Sealant compositions and methods utilizing nano-particles
03/31/2011WO2011036449A1 Corrosion inhibitor intensifier compositions and associated methods
03/31/2011WO2011036438A1 Wellbore servicing fluid compositions and use thereof
03/31/2011WO2011036411A1 Masterbatch for manufacturing a drilling fluid
03/31/2011WO2011035948A1 Method for the assisted recovery of hydrocarbons in fractured reservoirs
03/31/2011WO2011012922A8 Compositions and methods for servicing subterranean wells
03/31/2011WO2010144365A3 Liquid crystals for drilling, completion and production fluids
03/31/2011WO2010140032A3 Use of encapsulated tracers
03/31/2011WO2010128270A3 Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods
03/31/2011WO2010021563A8 Hydraulic fracturing proppants
03/31/2011US20110077324 Cement compositions comprising a high-density particulate elastomer and associated methods
03/31/2011US20110077323 Compositions for Plugging and Sealing a Subterranean Formation
03/31/2011US20110077176 Composition And Method For Making A Proppant
03/31/2011US20110077175 Sealant Composition
03/31/2011US20110077174 Corrosion inhibitor intensifier compositions and associated methods
03/31/2011US20110073327 Two-component mortar composition and method of using same
03/31/2011CA2847489A1 Cement compositions and methods utilizing nano-clay
03/31/2011CA2847401A1 Cement compositions and methods utilizing nano-clay
03/31/2011CA2774791A1 Method for the assisted recovery of hydrocarbons in fractured reservoirs
03/31/2011CA2774774A1 Invert emulsion fluids with high internal phase concentration
03/31/2011CA2774306A1 Cement compositions and methods utilizing nano-clay
03/31/2011CA2774302A1 Sealant compositions and methods utilizing nano-particles
03/31/2011CA2774080A1 Corrosion inhibitor intensifier compositions and associated methods
03/31/2011CA2773922A1 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications
03/31/2011CA2773728A1 Method for handling viscous liquid crude hydrocarbons
03/31/2011CA2773204A1 Wellbore servicing fluid compositions and use thereof
03/31/2011CA2771294A1 Foamers for downhole injection
03/30/2011EP2300558A2 Methods of treating a hydrocarbon-bearing formation, a well bore, and particles
03/30/2011EP2300557A1 Compositions and methods for the removal of oil-based filtercakes
03/30/2011EP2300556A1 Copolymer for shale stabilization and method of use
03/30/2011EP2300555A2 Method for treating hydrocarbon-bearing formations with fluorinated epoxides
03/30/2011CN1760320B New typed high temperature acidified corrosion inhibitor and preparation method
03/30/2011CN101994502A Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (eor)
03/30/2011CN101993688A Low damage fracturing fluid system
03/30/2011CN101993687A Water-soluble anti-free radical stabilizer and preparation method thereof
03/30/2011CN101993686A Viscosity protective agent for sewage-prepared polymer solution
03/30/2011CN101993685A Composite antiscale agent
03/30/2011CN101993684A Temporary plugging agent for acidization of water injection well of low permeability reservoir
03/30/2011CN101993458A Method of preparing nanoparticulate iron - crown ether complex
03/30/2011CN101774800B Ceramic particle containing hard carbide and production method thereof
03/30/2011CN101481607B Acid liquor gel for acidified fracturing, as well as preparation method and use thereof
03/29/2011US7915205 Single fluid acidizing treatment
03/29/2011US7915204 Scale squeeze treatment systems and methods
03/29/2011US7915203 Secondary emulsifiers for inverted emulsion fluids and methods for making and using same
03/29/2011US7915202 Clay control additive for wellbore fluids
03/29/2011CA2420170C Water-based drilling fluid additive containing talc and carrier
03/24/2011WO2011035264A1 Bab triblock polymers having improved release characteristics
03/24/2011WO2011034807A2 Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
03/24/2011WO2011034692A2 Controlling coal fines in coal bed operations
03/24/2011WO2011032227A1 Methods for selection of a naphthenate solids inhibitor and test kit, and method for precipitating naphthenate solids
03/24/2011WO2010132362A3 Method for treating hydrocarbon-bearing formations with fluorinated polyurethanes
03/24/2011WO2010129425A3 Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
03/24/2011WO2010123963A3 Utilizing electromagnetic radiation to activate filtercake breakers downhole