| 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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| 06/14/2006 | EP1668288A1 Method for reducing the viscosity of viscous fluids |
| 06/14/2006 | EP1438481B1 Treating composition |
| 06/14/2006 | EP1425163B1 Heat-activated adhesive tape having an acrylic foam-like backing |
| 06/14/2006 | CN1788066A Well-treating method to prevent or cure lost-circulation |
| 06/14/2006 | CN1786169A Thermophilic long chain paraffin hydrocarbon mono oxygenase, its coding gene and application |
| 06/14/2006 | CN1786103A Clay anti expansion agent for high temperature acidification |
| 06/14/2006 | CN1786102A Polyalcohol lubrication inhibitor for well drilling liquid and its application |
| 06/14/2006 | CN1786101A Microcapsule degelling agent and its preparation method |
| 06/13/2006 | US7060661 Aqueous, acidic compositions thickened with an amidoamine oxide gelling agent |
| 06/13/2006 | US7060660 Drilling fluid additive system containing talc and graphite |
| 06/13/2006 | US7060129 Displacement of gelling additive to well bore; crosslinking; forming barrier |
| 06/13/2006 | US7059406 Production-enhancing completion methods |
| 06/13/2006 | US7059405 Methods of treating subterranean formations using low-molecular-weight fluids |
| 06/13/2006 | CA2117276C Oilwells cement slurries, their preparation and their use in well cementing operation |
| 06/08/2006 | WO2006060388A2 Drilling fluid additive and method |
| 06/08/2006 | WO2006060274A1 Drilling fluid systems comprising latex particles |
| 06/08/2006 | WO2006059055A2 Methods of fracturing using fly ash aggregates |
| 06/08/2006 | WO2005098200A3 Paraffin inhibitors |
| 06/08/2006 | US20060122074 reducing wear in cutting head of tunnel boring machine by addition at cutting head of a foamed aqueous liquid composition which comprises a foaming agent and a lubricant, the lubricant being selected from high molecular weight polyethylene oxides and bentonite |
| 06/08/2006 | US20060122071 placing an alkali swellable latex and a pH increasing material in the wellbore to form a sealant composition; sealant composition further comprises a non-alkali swellable latex |
| 06/08/2006 | US20060122070 Drilling fluid systems comprising sized graphite particles |
| 06/08/2006 | US20060122069 Well plug additive, well plug treatment fluid made therefrom, and method of plugging a well |
| 06/08/2006 | US20060118334 Oscillating shear valve for mud pulse telemetry |
| 06/08/2006 | CA2587997A1 Drilling fluid additive and method |
| 06/07/2006 | EP1666570A2 Formulations useful as asphaltene dispersants in petroleum products |
| 06/07/2006 | EP1664485A1 Methods for enhancing the consolidation strength of resin coated particulates |
| 06/07/2006 | EP1664481A1 Drilling method |
| 06/07/2006 | EP1664480A1 Dual function cement additive |
| 06/07/2006 | EP1664235A1 Subterranean fluids and methods of using these fluids in subterranean formations |
| 06/07/2006 | EP1663908A1 Foamed compositions and methods of use in subterranean zones |
| 06/07/2006 | EP1663903A2 Methods and compositions for compensating for cement hydration volume reduction |
| 06/07/2006 | CN1782019A Alkyl benzene sulfonate composition and preparing method |
| 06/07/2006 | CN1781860A Method for preparing volume expansion type granular profile control agent using oil production mud |
| 06/06/2006 | US7056869 Printing inks, metal working fluid, drilling fluid, solvents |
| 06/06/2006 | US7056868 Hydrophobe associative polymers and compositions and methods employing them |
| 06/06/2006 | US7056867 Prewetting graphite with carrier before mixing; adding hydrophilic clay; pH controller, flow control agent and dispersant |
| 06/06/2006 | US7055628 removing drilling cuttings with an aqueous foam drilling fluid including a foaming agent comprising a mono-(aliphatic hydrocarbyl) phosphate ester, and a foam stabilizer comprising an alkyl ether sulphate, a fatty acid alkanolamide derivative, or an amine oxide |
| 06/06/2006 | US7055603 placing Portland cement, pozzolana cement, gypsum cement, soil cement, calcium phosphate cement, high alumina content cement, silica cement, or high alkalinity cement into a subterranean formation,using vitrified shale to reduce the loss of cement; andallowing the cement composition to set. |
| 06/06/2006 | US7055602 Method and composition for enhanced hydrocarbons recovery |
| 06/06/2006 | CA2424210C Conductive proppant and method of hydraulic fracturing using the same |
| 06/06/2006 | CA2171797C Composition effective in removing asphaltenes |
| 06/01/2006 | WO2006056774A2 Emulsifier-free wellbore fluid |
| 06/01/2006 | WO2006056745A1 Environmentally friendly water based mud deflocculant/thinner |
| 06/01/2006 | US20060116296 Providing a water-based drilling fluid comprising:an effective amount of a choline salt, foamer, andwater;circulating the drilling fluid through the wellbore hole during drilling, andinjecting a gas into wellbore hole to reduce a hydrostatic pressure of the drilling fluid |
| 06/01/2006 | US20060116295 Method of delaying the setting time of crosslinked lost circulation control pills |
| 06/01/2006 | US20060116294 Drilling fluid systems comprising latex particle(s) |
| 06/01/2006 | US20060113076 Substances to stimulate the extraction of crudeoil and a method of processing them |
| 06/01/2006 | US20060112862 Permeable cement and sand control methods utilizing permeable cement in subterranean well bores |
| 06/01/2006 | CA2588667A1 Emulsifier-free wellbore fluid |
| 05/31/2006 | EP1661555A2 Method of delaying the setting time of crosslinked lost circulation control pills |
| 05/31/2006 | EP1660771A1 Air-intake duct system for a combustion engine |
| 05/31/2006 | CN1780891A Water block removal with surfactant based hydrocarbonaceous liquid system |
| 05/31/2006 | CN1778862A Inspissated oil emulsion viscidity reducer |
| 05/31/2006 | CN1778462A Surface activator containing dibenzomethyl ether, its formula system and use for triple oil extraction |
| 05/31/2006 | CN1778461A Surface activator containing bisether, its formula system and use for triple oil extraction |
| 05/31/2006 | CN1778460A Surface activator containing bisphenol, its formula system and use for triple oil extraction |
| 05/30/2006 | US7052901 Breaking viscosity of fluid gelled with a viscoelastic surfactant; obtain fluid gel, incubate with visoelastic surfactant, expose to bacteria, recover gel |
| 05/30/2006 | US7052543 Pumpable slurry containing surfactant; mixture of hydraulic cements, diluent and surfactant |
| 05/26/2006 | WO2006055549A2 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 05/26/2006 | WO2006055304A2 Dry mix for drilling fluid |
| 05/26/2006 | WO2006054058A1 Methods of degrading filter cakes in subterranean formations |
| 05/26/2006 | WO2006054055A1 In-situ filter cake degradation compositions and methods of use in subterranean formations |
| 05/26/2006 | WO2006030383A3 Selective fracture face dissolution |
| 05/26/2006 | WO2004092254A8 Particulate material containing thermoplastic elastomer and methods for making and using same |
| 05/26/2006 | CA2770437A1 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 05/25/2006 | US20060111248 Injecting fluid viscosifled with a betaine zwitterionic viscoelastic surfactant and a rheology enhancer into oil well, viscosity recovery time at relatively low shear conditions following a reduced viscosity from high shear |
| 05/25/2006 | US20060111247 Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
| 05/25/2006 | US20060111246 Aqueous storable cement spacer system |
| 05/25/2006 | US20060111245 Environmentally friendly water based mud deflocculant/ thinner |
| 05/24/2006 | EP1659103A2 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 05/24/2006 | CN1777735A Method and composition for enhanced hydrocarbons recovery |
| 05/24/2006 | CN1775897A Water dispersion composite sand-fixing agent formula |
| 05/24/2006 | CN1775896A Dispersion dehydration-reducing agent for oil field well cementation and its preparing method |
| 05/24/2006 | CN1775895A Oil-soluble oil well solid slow-release anti-scale wax-preventing agent |
| 05/24/2006 | CN1775894A Wax-cleaning wax-preventing agent for water-driving polymer-driving oil well |
| 05/24/2006 | CN1775893A Seawater composite pulping powder preparing method |
| 05/24/2006 | CN1775892A Polymeric alcohol oil-layer protectant formula and its preparing method |
| 05/24/2006 | CN1257248C Preparation method of tala well drilling liquid viscosity lowering agent |
| 05/23/2006 | US7049436 Polymer that is soluble in water and an alcohol solvent, a crosslinker and a breaker |
| 05/23/2006 | US7049272 Encapsulating in water soluble shell; mixture of vinyl alcojhol copolymer and waterproofing agent; dissolving in water |
| 05/23/2006 | US7048054 Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation |
| 05/23/2006 | US7048053 Zeolite compositions having enhanced compressive strength |
| 05/23/2006 | CA2354789C Fracturing method using aqueous or acid based fluids |
| 05/23/2006 | CA2232776C The use of breaker chemicals in gelled hydrocarbons |
| 05/18/2006 | WO2006051282A1 Method of cementing expandable well tubing |
| 05/18/2006 | WO2006051265A1 Polymeric materials |
| 05/18/2006 | WO2006050811A1 Grafts polymers |
| 05/18/2006 | WO2006030397A3 Differential etching in acid fracturing |
| 05/18/2006 | US20060106265 Method and compositions for inhibiting formation of hydrocarbon hydrates |
| 05/18/2006 | US20060105919 Amphoteric surfactant, zwitterionic surfactant, anionic surfactant, nonionic surfactant, and/or cationic surfactant and as an enhanced shear recovery agent an ethylene glycol, monoethyl (or monomethyl) ether acrylate derived copolymer or a sugar derived surfactant |
| 05/18/2006 | US20060105918 Methods of degrading filter cakes in subterranean formations |
| 05/18/2006 | US20060105917 activating by lactate oxidase, release lactic acid from polylactic acid, allowing lactate oxidase to react with lactic acid to produce hydrogen peroxide oxidizer; degrade the organic portion of the filter cake with oxidizer; degrade the inorganic portion with lactic acid; cost efficiency, simple, safe |
| 05/18/2006 | US20060102390 Drill cuttings conveyance systems and methods |
| 05/18/2006 | CA2586485A1 Polymeric materials |
| 05/17/2006 | EP1657288A1 2-Hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents |
| 05/17/2006 | EP1556583B1 Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 05/17/2006 | EP1499694A4 Viscous oleaginous fluids and methods of drilling and servicing wells therewith |
| 05/16/2006 | US7044224 Preparing a permeable cement formulatin contanining a hydraulic cement, water, and a degradable material; injecting formulation into the subterranean formation at a pressure sufficient to create a fracture in the formation, setting formulation to form a proppant matrix having voids in the fracture |
| 05/16/2006 | US7044222 Fluid flow slurry; heating, controlling temperature; setting; using aqueous solution containing magnesium oxychloride; controlling viscosity |
| 05/16/2006 | US7044220 Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well |