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)
12/2006
12/21/2006US20060283429 Air-intake duct system for a combustion engine
12/20/2006CN1882762A Method for forming foamed material in foam shield driving method and foamed material for use in foam shield driving method
12/20/2006CN1882672A Use of CMC in drilling fluids
12/20/2006CN1290964C Chemical oil displacement agent
12/19/2006US7151078 Gelable liquid and method for selectively inhibiting the gelation of a gelable liquid
12/19/2006US7151077 Polymersome compositions and associated methods of use
12/19/2006US7151076 Low residue well treatment fluids and methods of use
12/19/2006US7150787 Polymer-modified gypsum composition
12/19/2006US7150321 Zeolite-containing settable spotting fluids
12/19/2006US7150319 Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method
12/19/2006CA2319179C Universal well cement additives and methods
12/19/2006CA2311654C Well cementing aids
12/14/2006WO2006133008A2 Invert emulsion carrier fluid and oil-wetting agent and method of using same
12/14/2006WO2006132680A1 Vinyl alcohol copolymers for use in aqueous dispersions and melt extruded articles
12/14/2006WO2006131895A1 Fluid loss additive for enhanced fracture clean-up
12/14/2006WO2006131691A1 Methods of controlling the degradation rate of hydrolytically degradable materials
12/14/2006WO2006131541A1 Surfactant mixtures for tertiary oil recovery
12/14/2006WO2006030386B1 Solid sandstone dissolver
12/14/2006US20060281636 Single fluid acidizing treatment
12/14/2006US20060281635 Method and liquid for increasing the recovery factor in oil reservoirs
12/14/2006US20060281167 Bacteria-based and enzyme-based mechanisms and products for viscosity reduction breaking of viscoelastic fluids
12/14/2006US20060278437 Fluid loss reducer for high temperature high pressure water based-mud application
12/14/2006CA2610758A1 Surfactant mixtures for tertiary oil recovery
12/13/2006WO2006135892A2 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications
12/13/2006EP1730384A2 Clay stabilization in sub-surface formations
12/13/2006CN1878927A Method of completing poorly consolidated formations
12/13/2006CN1877079A Mixing and preparing control method for mixed solution for fracturing, acidizing and sand control of oil field
12/13/2006CN1876751A Braided comb-shaped thickener for salt-resistant polymer
12/13/2006CN1289635C Method for solubilising asphaltenes in a hydrocarbon mixture
12/13/2006CN1289432C Method for preparing proppant in high intensity
12/13/2006CA2565816A1 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications
12/12/2006US7148185 Viscoelastic surfactant fluids stable at high brine concentration and methods of using same
12/12/2006US7148184 Self-diverting foamed system
12/12/2006US7148183 Controlling fluid flow; reducing shear viscosity
12/12/2006US7147705 Slurry of hydraulic cement in water and an oil suspension of silica powder, mineral oil, an oleophilic clay, an oleophilic surfactant and a hydrophilic surfactant; eliminates silica powder and dust being produced during the handling and blending of silica with cement
12/12/2006US7147067 Zeolite-containing drilling fluids
12/12/2006US7147056 Subterranean fluids and methods of using these fluids in subterranean formations
12/12/2006US7147055 mixtures of alumina, silica and soluble inorganic phosphates and setting retarders comprising water soluble carboxylic acids, having compressive strength, for use in well completion
12/07/2006WO2006129258A1 Proppants useful for prevention of scale deposition
12/07/2006WO2006041822A3 Shale hydration inhibition agent and method of use
12/07/2006US20060276348 a reactive ester having at least one carbon-carbon double bond, preferably a vinyl ester of a C9 to C11 versatic acid or vinyl ester of a long chain fatty acid, a butadiene-styrene elastomer soluble in reactive ester, di or tri-functional acrylate or methacrylate monomers
12/07/2006US20060276347 For use in oilfield treatments; water-soluble materials in non-aqueous carrier fluids using suspension agents that include organophilic clays; surfactant-free
12/07/2006US20060276346 Novel Fluid System Having Controllable Reversible Viscosity
12/07/2006US20060276345 Methods controlling the degradation rate of hydrolytically degradable materials
12/07/2006US20060272819 Methods of preparing settable fluids comprising particle-size distribution-adjusting agents, and associated methods
12/07/2006US20060272816 Proppants Useful for Prevention of Scale Deposition
12/07/2006US20060272815 Invert emulsion carrier fluid and oil-wetting agent and method of using same
12/07/2006US20060272552 For sealing a subterranean zone penetrated by a wellbore
12/07/2006CA2611135A1 Cement compositions comprising environmentally compatible defoaming agents and methods of use
12/07/2006CA2609061A1 Proppants useful for prevention of scale deposition
12/06/2006EP1728843A1 Friction reducing composition and method
12/06/2006EP1727963A2 Compositions and methods for the delivery of chemical components in subterranean well bores
12/06/2006CN1872945A Slurry forretaining wall in use for not excavating drilling
12/06/2006CN1288327C Composite for stratum treatment and method thereof
12/05/2006US7144844 Method of using viscoelastic vesicular fluids to enhance productivity of formations
12/05/2006US7144549 Biocide impregnation of coatings for ESP components
12/05/2006US7144456 Includes a hydraulic cement, lightweight beads, and a desegregating agent for inhibiting segregation of the beads
12/05/2006US7143828 Emulsion admixtures for improving cement elasticity
12/05/2006US7143827 Placing a spacer fluid between first and second fluids to separate first and second fluids and to remove first fluid from the walls of well bore, displacing first fluid and spacer fluid from well bore with second fluid
11/2006
11/30/2006WO2006041898A3 Shale hydration inhibition agent and method of use
11/30/2006US20060270565 Biodegradability; hydraulic cement and invert emulsion of an oleaginous fluid, nonoleaginous fluid, and emulsifying surfactant (ether carboxylic acid)
11/30/2006US20060270564 A mixture of a hydraulic cement and an invert emulsion of oil, water, and an emulsifying surfactant (e.g., tallow diamine substituted with 3 moles of ethylene oxide); stable for up to 3 weeks and easily displaced after being static in the well bore for more than a week
11/30/2006US20060270563 Compositions having HASE rheology modifiers
11/30/2006US20060270562 Drilling fluids with redispersible polymer powders
11/29/2006EP1725616A2 Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
11/29/2006CN1869149A High density fracturing liquid
11/29/2006CN1869148A Acid surface active agent oil well leaking stoppage technology and its formula
11/29/2006CN1869147A Hydrolysiable high elastic well remending liquid temperary blocking agent
11/28/2006US7140440 Mixture of zeolite, cement and flow control agent; well completion
11/28/2006US7140439 Well completion; sealing subterranean zones; treating fluids introduced into a subterranean zone penetrated by a wellbore, particularly fluids introduced as remedial compositions such as pills
11/28/2006US7140438 Orthoester compositions and methods of use in subterranean applications
11/23/2006WO2006124826A1 Clean up additive for viscoelastic surfactant based fluids
11/23/2006WO2006123143A1 Methods of treating surfaces in subterranean formations
11/23/2006WO2006123100A2 Methods to increase recovery of treatment fluid following stimulation of a subterranean formation
11/23/2006WO2006100506A3 Methods of cementing using cement compositions comprising basalt fibers
11/23/2006WO2006097792A3 Crude oil and oil products treatment method
11/23/2006WO2006085057A8 Methods of cementing with lightweight cement compositions
11/23/2006US20060264334 Non-damaging fracturing fluids and methods for their use
11/23/2006US20060264333 mixing particles such as ceramic, sand with water to form a treatment fluid, introducing the fluid in a subterranean formation, introducing tetrafluoroethylene an active material into the formation to form a oil-wet coating of active material, facilitates movement of aqueous treatment fluid through well
11/23/2006US20060264332 Methods of using reactive surfactants in subterranean operations
11/23/2006US20060260811 Lightweight composite particulates and methods of using such particulates in subterranean applications
11/22/2006EP1724375A2 Corrosion inhibitor intensifier and method of using the same
11/22/2006EP1723212A1 Improved drilling fluids
11/22/2006EP1723198A1 Latex composite particles covered by a mineral phase comprising at least one hydrated alkali earth silicate which is insoluble in water, preparations and uses thereof
11/22/2006EP0929619B1 Invert emulsion fluids suitable for drilling
11/22/2006CN1867617A Superabsorbent polymer aqueous paste and coating
11/22/2006CN1865392A Highly effective mixed oil expellant applied to tertiary oil recovery and its preparation method
11/22/2006CN1865172A Oil repellents
11/22/2006CN1285702C Method of generating gas bubbles in oleaginous liquids
11/22/2006CN1285701C Oil well acidizing fluid containing organic phosphono and sulfonic acid
11/22/2006CN1285700C Method for preparing residue free fracturing fluid
11/21/2006US7138446 Elastomeric admixtures for improving cement elasticity
11/21/2006US7137448 Curing hydraulic cementitious slurry containing spherical zeolites to obtain a lower compressive strength then that of neat as well as obtaining an increase in flexural strength and less brittleness; pumping the activated slurry within the gas or oil well bore to a pre-selected location and solidifying
11/21/2006US7137447 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion
11/21/2006US7137401 Drag reduction using maleated fatty acids
11/21/2006CA2345305C Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition
11/17/2006CA2544986A1 Corrosion inhibitor intensifier and method of using the same
11/16/2006WO2006120422A1 Degradable surfactants and methods for use
11/16/2006WO2006120374A1 Nonnatural galactomannans and methods of use
11/16/2006WO2005083031A8 Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends