| 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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| 08/21/2008 | WO2008101209A1 Polyphenylene sulfide proppants |
| 08/21/2008 | WO2008101042A1 Systems and methods for absorbing gases into a liquid |
| 08/21/2008 | WO2008100825A1 Method for viscosifying invert emulsion drilling fluids |
| 08/21/2008 | WO2008100436A1 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 08/21/2008 | WO2008099154A1 Methods of completing wells for controlling water and particulate production |
| 08/21/2008 | WO2008035253A8 Oxidative internal breaker for viscoelastic surfactant fluids |
| 08/21/2008 | WO2008026076A3 Rod-shaped proppants and anti-flowback additives, methods of manufacturing, and methods of use |
| 08/21/2008 | US20080200565 Surfactant-only microemulsions for cleaning system design and product delivery |
| 08/21/2008 | US20080200355 Aqueous Solution for Managing Microbes in Oil and Gas Production and Method for their Production |
| 08/21/2008 | US20080200354 Cleaning a wellbore prior to the production of oil or gas, wherein the wellbore has been drilled with an invert emulsion drilling mud that forms an invert emulsion filter cake without damaging the formation; aqueuous breaker fluid contains a water soluble iminodiacetic acid or salt |
| 08/21/2008 | US20080200353 Aqueous erucyl amidopropyl betaine and an acid or salt, preferably sulfonic acids or aromatic carboxylic acids, chlorides of potassium, ammonium, calcium or tetramethylammonium, or calcium bromide; thickener for suspending particles during subterranean excavation |
| 08/21/2008 | US20080200352 Degradable Material Assisted Diversion or Isolation |
| 08/21/2008 | US20080200351 Method of recycling fracturing fluids using a self-degrading foaming composition |
| 08/21/2008 | US20080200350 Process Fluid |
| 08/21/2008 | US20080196895 Method to Enhance Proppant Conductivity from Hydraulically Fractured Wells |
| 08/21/2008 | US20080196892 Enzyme enhanced oil recovery (EEOR) for waterflooding operations |
| 08/21/2008 | CA2677806A1 Polyphenylene sulfide proppants |
| 08/21/2008 | CA2677669A1 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 08/21/2008 | CA2676231A1 Systems and methods for absorbing gases into a liquid |
| 08/20/2008 | EP1957602A1 Drilling and cementing with fluids containing zeolite |
| 08/20/2008 | EP1957601A1 Solvent free fluidized polymer suspensions for oilfield servicing fluids |
| 08/20/2008 | EP1518037B1 Methods of sealing expandable pipe in well bores |
| 08/20/2008 | CN101245240A Method for manufacturing oil solubility thick oil thinner for thick oil pipe-line transportation |
| 08/20/2008 | CN101244372A Foaming agent and circulation microvesicle drilling fluids and drilling technique |
| 08/19/2008 | US7413014 Cementing in a subterranean zone by providing a low density foamed cement comprising fly ash comprising calcium oxide or calcium hydroxide, water to form a slurry, foaming or foam stabilizing surfactant and gas; setting |
| 08/14/2008 | WO2008098031A1 Method and computer program product for drilling mud design optimization to maintain time-dependent stability of argillaceous formations |
| 08/14/2008 | WO2008096288A1 Crosslinked polymer solutions and methods of use |
| 08/14/2008 | WO2008096165A1 Methods for reducing the viscosity of treatment fluids comprising diutan |
| 08/14/2008 | WO2008096164A2 Treatment fluids comprising diutan and associated methods |
| 08/14/2008 | WO2008096147A1 Water-based drilling fluid |
| 08/14/2008 | WO2008095945A1 Process and polymer for preventing ba/sr scale with incorporated detectable phosphorus functionality |
| 08/14/2008 | WO2008072128A3 Fluid loss control and well cleanup methods |
| 08/14/2008 | WO2008068660A3 Method of preventing or reducing fluid loss in subterranean formations |
| 08/14/2008 | WO2008062332A3 Polymeric acid precursor compositions and methods |
| 08/14/2008 | US20080194436 Methods for using reversible phase oil-based drilling fluid |
| 08/14/2008 | US20080194435 recovering hydrocarbons from underground deposits by surfactant flooding ( surfactant and cosurfactant), cosurfactant containing amphiphilic polymer having one or more hydrophobic subunits based on a polyisobutene block, have terminally arranged double bonds, and hydrophilic subunits |
| 08/14/2008 | US20080194434 Use Of Aqueous Dispersions For Tertiary Mineral Oil Production |
| 08/14/2008 | US20080194433 Method for viscosifying invert emulsion drilling fluids |
| 08/14/2008 | US20080194430 subterranean treatment fluid cotnaining a base fluid contains aqueous fluid and a nonaqueous fluid selected from glycerol, glycol, ethylene glycol, polyglycols, propylene glycol, dipropylene gylcol methyl ether, and a gelling agent containing clarified diutan ( anionic polysaccharide) |
| 08/14/2008 | US20080194429 Process for minimizing breaking of emulsion type drilling fluid systems, emulsion type drilling fluid systems, and spotting fluids |
| 08/14/2008 | US20080194428 Treatment fluids comprising diutan and associated methods |
| 08/14/2008 | US20080194427 acidic treatment fluid containing an acid such as acetic acid,formic acid, hydrochloric acid or an acid generator such aliphatic polyester, polylactic or glycolic acid, polysaccharide gelling agent interact with a component of subterranean formation to dissolve the component |
| 08/14/2008 | US20080190615 Rheology Modifier for Cement Slurries |
| 08/14/2008 | CA2677550A1 Water-based drilling fluid |
| 08/13/2008 | EP1954913A2 Methods for recovering oil from an oil reservoir |
| 08/13/2008 | EP1954781A1 Particles |
| 08/13/2008 | EP1954780A2 Method and composition of preparing polymeric fracturing fluids |
| 08/13/2008 | EP1954779A1 Liquid additive for reducing water-soluble chromate |
| 08/13/2008 | EP1604095B1 Propped fracture with high effective surface area |
| 08/13/2008 | EP1423347B1 Aqueous fluorochemical polymer composition for water and oil repellent treatment of masonry and wellbores |
| 08/13/2008 | CN101240308A Method for preparing liquid xanthan gum specially for teritary oil extraction |
| 08/13/2008 | CN101240163A Oil well cement swelling agent |
| 08/13/2008 | CN101240162A Salt-resisting high-temperature-resisting filtration-reducing agent |
| 08/13/2008 | CN101240161A Lubricating collapse-resisting agent for drilling fluid and preparation method thereof |
| 08/13/2008 | CN101240044A Method for preparing cross-linking polymer clew with bimodal distribution grain diameter |
| 08/13/2008 | CN101240035A Ultra-high substitution carboxymethyl cellulose sodium and its preparation method and application |
| 08/13/2008 | CA2620788A1 Fracture clean up method |
| 08/12/2008 | US7410934 Monomer, a dimer or oligomer of an anionic or cationic surfactant able to form a viscoelastic gel under downhole conditions; hydrophobic tail, a hydrophilic head attached through a stabilising group and a hydrocarbon chain |
| 08/12/2008 | US7410011 Method to determine the concentration of deuterium oxide in a subterranean formation |
| 08/12/2008 | US7409994 Circulating a drilling fluid containing solid phase weight material selected from barite, calcite, hematite, ilmenite; fluid phase is an oleaginous fluid selected from diesel oil, mineral oil, or synthetic oil; has rheological properties comparable to a conventional wellbore fluid |
| 08/12/2008 | CA2486914C Mitigation of proppant sticking in removing downhole tools |
| 08/07/2008 | WO2008095114A2 Oxidized and maleated compounds and compositions |
| 08/07/2008 | WO2008073233A3 Scale squeeze treatment systems and methods |
| 08/07/2008 | WO2008068657A3 Method for treating a subterranean formation |
| 08/07/2008 | US20080188382 Compositions for Drilling Fluids Useful to Provide Flat Temperature Rheology to Such Fluids Over a Wide Temperature Range, and Drilling Fluids Containing Such Compositions |
| 08/07/2008 | CA2676557A1 Oxidized and maleated compounds and compositions |
| 08/07/2008 | CA2673935A1 Proppant, proppant production method and use of proppant |
| 08/06/2008 | EP1951841A1 Use of pyroglutamic acid esters as gas hydrate inhibitors with improved biodegradability |
| 08/06/2008 | EP1951840A1 Viscoelastic cationic carbohydrate ether compositions |
| 08/06/2008 | EP1951839A1 Shale inhibition |
| 08/06/2008 | EP1951666A2 Pyroglutamic acid esters with improved biodegradability |
| 08/06/2008 | EP1556582B1 Generating acid downhole in acid fracturing |
| 08/06/2008 | CN101238193A Surfactant mixtures for tertiary oil recovery |
| 08/06/2008 | CN101235712A Method for reducing damage of hydraulic fracturing liquid to oil layer |
| 08/06/2008 | CN101235283A Method for preparing amphiprotic polyacrylamide oil field compression fracture thickening agent |
| 08/06/2008 | CN101235282A Method for eliminating separation difficulty of polymer-containing produced liquid or produced water induced by carbonate particles |
| 08/06/2008 | CN101235281A Method for preventing and treating hydrogen sulphide in thick oil |
| 08/06/2008 | CN101235280A Asphaltene deposition solid inhibitor for light oil exploitation |
| 08/06/2008 | CN101235279A Highly effective viscosity-reducing agent for thermodynamic oil extraction process |
| 08/06/2008 | CN101235278A Ionic liquid type hydrate inhibitor |
| 08/06/2008 | CN101235182A Intramolecular Cr3+ cross-linked polymer gel and its preparation method |
| 08/06/2008 | CN100408533C Twin diglycol compound, its preparation and use |
| 08/05/2008 | US7407916 Foamed treatment fluids and associated methods |
| 08/05/2008 | US7407915 Polymer hydration method using microemulsions |
| 08/05/2008 | US7407008 Weighted zero solids loss circulation, fluid loss and insulating annular space fluid systems |
| 08/05/2008 | CA2394028C Process for treating an oil well |
| 07/31/2008 | WO2008092078A1 Fracture acidizing method utilizing reactive fluids and deformable particulates |
| 07/31/2008 | WO2008091971A1 Well treating agents of metallic spheres and methods of using the same |
| 07/31/2008 | WO2008091956A2 Organic acid treating fluids with viscoelastic surfactants and internal breakers |
| 07/31/2008 | WO2008090515A1 Downhole preparation and use of thixotropic cement slurries |
| 07/31/2008 | WO2008090316A1 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 07/31/2008 | WO2008090267A2 Enhanced crude oil recovery |
| 07/31/2008 | WO2007133331A3 Non-damaging manganese tetroxide water-based drilling fluids |
| 07/31/2008 | US20080183451 Simulations for Hydraulic Fracturing Treatments and Methods of Fracturing Naturally Fractured Formation |
| 07/31/2008 | US20080182765 Baked feedstock grains; prevents fracture closing in oil/gas production; subterrean formations |
| 07/31/2008 | US20080182763 Vesicles for carrying through conduit, separated by surface active material bilayer composed of phospholipids, alkyl polyglycosides, gemini surfactants, sorbitan monooleate, and/or sorbitan trioleate |
| 07/31/2008 | US20080182762 Rheology Controlled Heterogeneous Particle Placement in Hydraulic Fracturing |
| 07/31/2008 | US20080182761 Fracture Acidizing Method Utilitzing Reactive Fluids and Deformable Particulates |
| 07/31/2008 | US20080179062 Hydrocarbon-acid emulsion compositions and associated methods |
| 07/31/2008 | CA2778843A1 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |