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)
06/2009
06/25/2009WO2009044075A3 Improved process for enhanced oil recovery
06/25/2009US20090163389 Scale squeeze treatment systems and methods
06/25/2009US20090163388 Variable Density Treatment Fluids
06/25/2009US20090163387 Stabilizing Biphasic Concentrates Through the Addition of Small Amounts of High Molecular Weight Polyelectrolytes
06/25/2009US20090163386 Compositions for drilling fluids useful to produce flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions
06/25/2009US20090163385 Well Treatment Process
06/25/2009US20090159280 Solid borozirconate and borotitanate cross-linkers
06/25/2009US20090159267 Methods and Materials for Subterranean Fluid Forming Barriers in Materials Surrounding Wells
06/25/2009DE102005056436B4 Wasserfreie Dispersionen, Verfahren zu deren Herstellung sowie deren Verwendung Anhydrous dispersions, process for their preparation and their use
06/25/2009CA2709984A1 Process to prepare zirconium-based cross-linker compositions and their use in oil field applications
06/25/2009CA2709332A1 Asphaltene dispersants based on phosphonic acids
06/25/2009CA2708805A1 Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids
06/25/2009CA2708803A1 Method for enhancing oil recovery with an improved oil recovery surfactant
06/25/2009CA2708166A1 Fracturing fluid compositions comprising solid epoxy particles and methods of use
06/25/2009CA2702936A1 Nano-sized particles for formation fines fixation
06/25/2009CA2698238A1 Method of removing carbon dioxide emissions from in-situ recovery of bitumen and heavy oil
06/24/2009EP2072599A1 Control of the properties of cement slurries with optimized polymers combination
06/24/2009EP2072561A1 Route treatment
06/24/2009CN101466811A Fluid loss additive with improved rheological properties
06/24/2009CN101463249A Oil soluble heavy crude thinner and preparation thereof
06/24/2009CN101463248A Low temperature low density oil well cement for deep sea
06/24/2009CN100503768C Usage method for double protection drilling fluid
06/24/2009CN100503767C Emulsified polymer drilling fluid and methods of preparation and use thereof
06/23/2009US7550413 Injectinga viscoelastic surfactant (VES) gelling agent; and a fluid loss control agent of alkali earth metal oxides, alkali earth metal hydroxides, transition metal oxides, transition metal hydroxides through a wellbore to the subterranean formation
06/23/2009US7550412 Compositions and methods for producing guar gum and for using the guar gum in treating a subterranean formation
06/23/2009US7550411 Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations
06/23/2009US7549472 Method for increasing the production of hydrocarbon liquids and gases
06/23/2009CA2588018C Viscoelastic surfactant rheology modification
06/23/2009CA2448617C Borehole fluid
06/23/2009CA2226070C Drilling compositions and methods
06/19/2009CA2700239A1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same
06/18/2009WO2009076080A1 Method of treating proppants and fractures in-situ with fluorinated silane
06/18/2009WO2009074795A1 Process for treatment of underground formations
06/18/2009WO2009074787A1 Hf acidizing compositions and methods for improved placement in a subterranean formation to remediate formation damage
06/18/2009WO2009074768A1 Corrosion inhibitor intensifier compositions and associated methods
06/18/2009WO2009074658A1 Squeeze composition for restoring isolation
06/18/2009WO2009074565A1 Cement additives for oil-compatible cements
06/18/2009WO2009058589A3 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants
06/18/2009US20090156436 Spacer Fluid Additive
06/18/2009US20090156434 for plugging permeable zones; subterranean formations
06/18/2009US20090156433 HF acidizing compositions and methods for improved placement in a subterranean formation to remediate formation damage
06/18/2009US20090156432 Corrosion inhibitor intensifier compositions and associated methods
06/18/2009US20090152163 System for treating petroleum and petrochemical slop oil and sludge wastes
06/18/2009US20090151947 Process to prepare zirconium-based cross-linker compositions and their use in oil field applications
06/18/2009US20090151946 generate an initial viscosity at the surface, followed by a delayed viscosity generation, once the fluid is subjected to higher down-hole temperatures; use in oil field applications such as hydraulic fracturing and plugging of permeable zones (thief zones); varied ratio of triethanolamine to Quadrol
06/18/2009US20090151945 Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids
06/18/2009US20090151943 Aqueous-based emulsified consolidating agents suitable for use in drill-in applications
06/18/2009US20090151941 Method For Enhancing Oil Recovery With An Inproved Oil Recovery Surfactant
06/18/2009CA2708482A1 Squeeze composition for restoring isolation
06/18/2009CA2708353A1 Process for treatment of underground formations
06/18/2009CA2708144A1 Method of treating proppants and fractures in-situ with fluorinated silane
06/17/2009EP2071003A1 Squeeze composition for restoring isolation
06/17/2009EP2069459A1 Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
06/17/2009EP2069458A1 Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treating a subterranean formation
06/17/2009EP2069457A1 Increased rate of penetration from low rheology wellbore fluids
06/17/2009EP1718713B1 Acidic subterranean treatment fluids comprising esterquats and methods of using such fluids
06/17/2009CN100500795C Gas well completion fluid for well drilling in oil field
06/17/2009CN100500794C Gas channeling preventing cement slurry for cementing oil field
06/16/2009US7547665 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
06/16/2009US7547664 Comprising 4-chloro-4-deoxygalactose or a derivative thereof or 1,6-dichloro-1,6-dideoxyfructose as well fluid additives for use in a subterranean formation that includes a chlorinated carbohydrate and a tartaric acid
06/16/2009US7547663 Invert drilling fluids and methods of drilling boreholes
06/11/2009WO2009073411A2 Emulsifier blend
06/11/2009WO2009072021A1 High temperature fracturing fluids and method of use
06/11/2009WO2009071876A1 Process for consolidating sand
06/11/2009WO2009071875A1 Improved aqueous-based wellbore fluids
06/11/2009WO2009071873A1 Improved aqueous-based wellbore fluids
06/11/2009WO2009071866A1 Cement compositions comprising crystalline organic materials and methods of using same
06/11/2009US20090149356 Environmentally friendly bis-quaternary compounds for inhibiting corrosion and removing hydrocarbonaceous deposits in oil and gas applications
06/11/2009US20090149355 Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluids
06/11/2009US20090149354 Well Treatment Compositions Containing Hydratable Polyvinyl Alcohol and Methods of Using Same
06/11/2009US20090149353 Polysaccharide Containing Well Treatment Compositions and Methods of Using Same
06/11/2009US20090149352 use of rheology enhancers derived from wood pulping operations to shorten shear recovery times and increase the viscosity of viscoelastic surfactants for use in oilfield treatment fluids
06/11/2009US20090145664 Methods for recovery and reuse of lost circulation material
06/11/2009US20090145607 treatment fluid for treating a subterranean formation formed from an aqueous solution of a polysaccharide (guar or its derivative), a polyacrylamide, a crosslinking agent
06/11/2009CA2707257A1 Emulsifier blend
06/11/2009CA2707019A1 Process for consolidating sand
06/10/2009EP2067836A1 Process for consolidating sand
06/10/2009EP2067835A1 Improved aqueous-based wellbore fluids
06/10/2009EP2066761A1 Proppants with soluble composite coatings
06/10/2009EP2066760A2 Rod-shaped proppants and anti-flowback additives, methods of manufacturing, and methods of use
06/10/2009EP2066759A2 Precipitated weighting agents for use in wellbore fluids
06/10/2009CN101451062A Biological oil displacement agent and production method and use thereof
06/10/2009CN101451061A Sand consolidation and water plugging profile control agent made by oil sand
06/10/2009CN101451060A High-strength sealing thread compound for deep well pipe column and preparation method
06/10/2009CN100497444C Starch grafted copolymers and methods of making and using starch graft copolymers for agriculture
06/09/2009US7544643 Reducing fluid leakoff during a fracturing operation by injection into a well bore a viscoelastic surfactant gelling agent and pyroelectric particles, piezoelctric particles and mixtures which under pressure and heating increase gelation to provide a high viscosity fluid for cracking
06/09/2009US7544642 Zeolite-containing remedial compositions
06/09/2009US7544641 Rapid setting plugging compositions for sealing subterranean formations
06/09/2009US7544640 Spacer fluid; cement composition; well completion; mixture of zeolite with carrier fluid
06/09/2009US7544639 Microemulsification of a solvent-surfactant blend of terpenes or limonene and polyoxyethylene sorbitan monopalmitate, ethoxylated castor oil and polyethylene glycol with a carrier fluid; injection into a well bore or placing in a container to capture the H2S; pollution control; well remediation
06/09/2009US7543642 Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
06/09/2009CA2492317C Viscosity reduction of viscoelastic surfactant based fluids
06/04/2009WO2009069060A1 Filtercake removal
06/04/2009WO2009069058A1 Ph sensitive emulsion system
06/04/2009WO2009069057A1 Aqueous two-phase emulsion gel systems for zone isolation
06/04/2009WO2009068847A1 Methods and compositions for improving well bore stability in subterranean formations
06/04/2009WO2009068380A1 Tunnel backfilling method
06/04/2009WO2009068363A1 Conductive cement formulation and application for use in well
06/04/2009WO2009050562A3 Method of inhibiting salt precipitation from aqueous streams
06/04/2009WO2009050561A3 Method of enhancing adsorption of an inhibitor onto a wellbore region