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