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)
03/2011
03/03/2011WO2011023379A1 Methods for servicing subterranean wells
03/03/2011US20110054068 Radiation-Induced Triggering for Set-On-Command Compositions
03/03/2011US20110054067 Radiation-Induced Thickening for Set-On-Command Sealant Compositions
03/03/2011US20110054042 Polymer compositions
03/03/2011US20110053813 Methods to reduce settling rate of solids in a treatment fluid
03/03/2011US20110053812 Polymeric Additives for Enhancement of Treatment Fluids Comprising Viscoelastic Surfactants and Methods of Use
03/03/2011US20110053811 Methods for preventing or remediating xanthan deposition
03/03/2011US20110053810 Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods
03/03/2011US20110053809 Degradable non-aqueous gel systems
03/03/2011US20110053808 Suspension Characteristics in Invert Emulsions
03/03/2011US20110053807 Methods to control fluid loss in a well bore
03/03/2011US20110048721 Di-functional surfactants for enhanced oil recovery
03/03/2011US20110048716 Treatment Fluids Comprising Transient Polymer Networks
03/03/2011US20110048715 Radiation-Induced Thickening for Set-On-Command Sealant Compositions and Methods of Use
03/03/2011CA2772481A1 Methods to reduce settling rate of solids in a treatment fluid
03/03/2011CA2772475A1 Methods to control fluid loss in a well bore
03/03/2011CA2772395A1 Microbial enhanced oil recovery methods
03/03/2011CA2772132A1 Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use
03/03/2011CA2772108A1 Treatment fluids comprising transient polymer networks
03/03/2011CA2771700A1 Treatment fluids comprising entangled equilibrium polymer networks
03/03/2011CA2771623A1 Radiation-induced triggering for set-on-command compositions and methods of use
03/03/2011CA2771620A1 Radiation-induced thickening for set-on-command sealant compositions and methods of use
03/03/2011CA2771619A1 Sonically activating settable compositions and methods of activating them
03/03/2011CA2771103A1 Treatment of oil
03/02/2011EP2288631A1 Novel method for the treatment of rock formations and novel polyampholytes
03/02/2011EP2197974B1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same
03/01/2011US7897547 Viscoelastic surfactant rheology modifier
03/01/2011US7897546 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
03/01/2011US7897545 Fluid loss compositions and methods of use for subterranean operations
03/01/2011US7897544 Compounded hydrocarbon oil and oil base drilling fluids prepared therefrom
03/01/2011US7897063 Composition for denaturing and breaking down friction-reducing polymer and for destroying other gas and oil well contaminants
03/01/2011US7896076 Rheology modifier for cement slurries
03/01/2011US7896075 Subterranean treatment fluids with enhanced particulate transport or suspension capabilities and associated methods
03/01/2011CA2412697C Surfactant blends for aqueous solutions useful for improving oil recovery
02/2011
02/24/2011WO2011022622A2 Improved enhanced oil recovery surfactant composition and method of making the same
02/24/2011WO2011021125A1 Methods for increasing the recovery rate of a hydrocarbon from an underground reservoir
02/24/2011WO2011021073A1 Acoustic monitoring of hydrocarbon production
02/24/2011WO2011021043A1 Well treatment
02/24/2011US20110046140 Aminoalcohol and biocide compositions for aqueous based systems
02/24/2011US20110046025 Low Molecular Weight Graft Copolymers
02/24/2011US20110046024 Enhanced oil recovery surfactant composition and method of making the same
02/24/2011US20110046023 Scale and corrosion inhibitors for high temperature and pressure conditions
02/24/2011US20110042086 Additive for controlling cement slurry rheology
02/24/2011CA2771101A1 Well treatment
02/24/2011CA2770200A1 Improved enhanced oil recovery surfactant composition and method of making the same
02/23/2011EP2287441A2 Oil and gas field chemicals
02/23/2011EP2287440A1 Compositions and their use for sealing subterranean zones
02/23/2011EP2285933A1 Drilling fluids containing biodegradable organophilic clay
02/23/2011EP2285932A1 Anti-accretion agents for drilling fluids
02/23/2011EP2285835A1 Graft copolymer, method for the production thereof, and use thereof
02/23/2011CN101979825A Process technology for complex blockage removal of chlorine dioxide
02/23/2011CN101979457A Seawater-based solid phase-free environment-friendly drilling and completion fluid
02/23/2011CN101979456A Seawater-based well completion fluid
02/23/2011CN101979426A Method for synthesizing fatty alcohol (alkylphenol) polyoxyethylene ether sulfonate through olefin addition
02/22/2011US7893136 Water soluble co-polyhydroxyaminoether and solution thereof
02/22/2011US7893011 Wellbore servicing; magnesium oxide; magnesium chloride, sodium phosphate soluble salt; quaternary amide viscosifier; quaternary amide ester; surfactant; retarder
02/22/2011US7893010 Composition and method for fluid recovery from well
02/22/2011US7893009 Polymers and their production and use as gas hydrate inhibitors
02/22/2011CA2678301C Energy recovery and reuse for gel production
02/22/2011CA2613861C Brine based fluid loss pills comprising crosslinked polymer gels and solid salt particles
02/22/2011CA2464936C Method of drilling a borehole with magnetic filter-cake removal
02/17/2011WO2011019722A2 Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters
02/17/2011WO2011018733A1 Solid incorporated reversible emulsion for a fracturing fluid
02/17/2011WO2011018607A1 Methods for swelling swellable elements in a portion of a well using an oil-in-water emulsion
02/17/2011WO2011018606A1 Methods for swelling swellable elements in a portion of a well using a water-in-oil emulsion
02/17/2011WO2011018604A1 Hydrophobically and cationically modified relative permeability modifiers and associated methods
02/17/2011WO2011018257A1 Organic salts for reducing stone permeablities
02/17/2011US20110039737 Binders for binding beds and loose formations and processes for producing them
02/17/2011US20110036750 Composition comprising peroxygen and surfactant compounds and method of using the same
02/17/2011US20110036629 Rotating control head leak detection systems
02/17/2011US20110036579 Water-Based Mud Lubricant Using Fatty Acid Polyamine Salts and Fatty Acid Esters
02/17/2011CA2768620A1 Organic salts for reducing rock permeabilities
02/17/2011CA2768594A1 Hydrophobically and cationically modified relative permeability modifiers and associated methods
02/16/2011EP2284359A1 Method of enhanced oil recovery from geological reservoirs
02/16/2011EP2164919B1 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole
02/16/2011EP1778797B1 Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations
02/16/2011CN101977974A Latex binders, aqueous coatings and paints having freeze-thaw stability and methods for using same
02/16/2011CN101974322A Chelating acid of sandstone
02/16/2011CN101974321A Micelle oil displacement agent with oil deposit adaptability
02/16/2011CN101974320A Wetting reversal surfactant for drilling fluid
02/16/2011CN101974319A Double-fluid rapid hardening slurry for roadway grouting and mollisol compaction grouting
02/16/2011CN101974318A Low-temperature early strength agent for deepwater cementing
02/16/2011CN101974317A Sulphoaluminate cement paste for deepwater cementing
02/16/2011CN101974316A Drilling fluid for drilling
02/16/2011CN101974315A Perforating fluid for well completion
02/16/2011CN101972614A Dehydroabietylamide ethyl sulfonate surfactant, synthesis method and application of surfactant in tertiary oil recovery
02/16/2011CN101492600B Shielding diverting agent for drilling fluids
02/16/2011CN101253251B Methods and materials for zonal isolation
02/15/2011US7888297 Compositions for reducing the viscosity of treatment fluids
02/15/2011US7888296 Expandable polymeric microparticles comprising hydrophobic polymers having labile pendant groups; average particle size diameter of 0.05-5,000 microns of unexpanded particles; hydrophobic acrylic esters upon hydrolysis beome hydrophilic, swell; enhanced oil recovery
02/15/2011US7888295 combining a crosslinkable hydrated guar polymer or synthetic polymer ( polyacrylamide) with boric acid or sodium borate a crosslinking agent in presence of Ca/OH/2 or CaO as buffering agent, introducing the solution in the well through well bore at a pressure sufficient to fracture the subterranean well
02/15/2011US7888294 A temperature of the flow of hydration fluid may be elevated by transferring energy from the gel mixture flow to the hydration fluid flow, and a flow of hydratable material may be combined with the flow of hydration fluid to form a gel mixture; heat exchanging; cost efficiency; fracturing; wells
02/15/2011US7886849 System for drilling under-balanced wells
02/15/2011US7886826 Gel capsules for solids entrainment
02/15/2011US7886824 Treating a gas/oil well by injecting a microemulsion system of an isotactic polyoxypropylene glycol alkyl sulfate anionic surfactant, solvent of benzene or aromatic, terpene or limonene and cosolvent of alcohols and polyoxypropylene glycol; removing water blocks; rapid cleanup; enhanced oil recovery
02/15/2011CA2506554C Methods and cement compositions for cementing in subterranean zones
02/15/2011CA2437522C Drilling fluids, drilling fluids additives and methods useful for limiting tar sands accretion on metal surfaces
02/15/2011CA2410518C Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials, aqueous suspensions obtained and their uses
02/10/2011US20110035154 Utilizing salts for carbon capture and storage
02/10/2011US20110034583 Methods for Forming a Permeable and Stable Mass in a Subterranean Formation