| 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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| 12/16/2009 | CN100569894C Water lettuce plant viscosity reductant and producing method |
| 12/15/2009 | US7632787 Fracturing oil wellbores using a pressurized fluid with very low residue (<10%) and providing high retained conductivity; an aqueous medium, a uniformly substituted hydrophilic cationic guar gum, and a crosslinking agent; a breaking system that does not reduce viscosity at the surface |
| 12/15/2009 | US7632786 Methods and fluid compositions for depositing and removing filter cake in a well bore |
| 12/15/2009 | US7632785 Method for simultaneous removal of asphaltene, and/or paraffin and scale from producing oil wells |
| 12/15/2009 | US7631692 Settable compositions comprising a natural pozzolan and associated methods |
| 12/15/2009 | CA2612121C Methods and materials for zonal isolation |
| 12/15/2009 | CA2564566C Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations |
| 12/15/2009 | CA2537920C Methods and compositions for treating subterranean zones utilizing delayed breaker compositions |
| 12/15/2009 | CA2520056C Methods and compositions for improving hydrocarbon recovery by water flow intervention |
| 12/15/2009 | CA2472090C Lost circulation compositions comprising resilient carbon and water-swellable polymers |
| 12/15/2009 | CA2466399C Composite silica proppant material |
| 12/15/2009 | CA2446628C A gas lift method with surfactant injection |
| 12/15/2009 | CA2443390C Methods of treating subterranean zones penetrated by well bores |
| 12/15/2009 | CA2397040C Oil and gas production optimization using dynamic surface tension reducers |
| 12/15/2009 | CA2385605C A method of improving the permeability of an underground petroleum-containing formation |
| 12/15/2009 | CA2366350C Method for treatment of underground reservoirs |
| 12/15/2009 | CA2283157C Methods and materials for degrading xanthan |
| 12/10/2009 | WO2009148831A2 Methods of treating a hydrocarbon-bearing formation, a well bore, and particles |
| 12/10/2009 | WO2009147394A1 Methods of treating subterranean formations utilizing servicing fluids comprising liquefied petroleum gas and apparatus thereof |
| 12/10/2009 | WO2009114611A3 Viscosity reducer for water-based muds |
| 12/10/2009 | US20090305933 Low interfacial tension surfactants for petroleum applications |
| 12/10/2009 | US20090305915 Suspension of concentrated particulate additives containing oil for fracturing and other fluids |
| 12/10/2009 | US20090305914 Phosphorus-Free Gelled Hydrocarbon Compositions and Method for Use Thereof |
| 12/10/2009 | US20090305913 Contains an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive comprising a soap component such as a fatty acid; use as fracturing fluid in subterranean formations |
| 12/10/2009 | US20090305912 Method for mitigating the salinity of drilling waste |
| 12/10/2009 | US20090305911 Downhole drilling compositions and methods of preparation |
| 12/10/2009 | US20090301731 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 |
| 12/10/2009 | US20090301722 System, method, and apparatus for injection well clean-up operations |
| 12/10/2009 | DE102008002183A1 Verfahren zur Aufarbeitung salzhaltiger Rückstände aus der Herstellung von aminofunktionellen Organosilanen A process for working up residues from the production of salt-containing amino-functional organosilanes |
| 12/09/2009 | EP1716217B1 High performance water-based drilling mud and method of use |
| 12/09/2009 | CN101600775A Polymers and nanoparticles formulations with shear- thickening and shear-gelling properties for oilfield applications |
| 12/09/2009 | CN101600774A Oxidized and maleated compounds and compositions |
| 12/09/2009 | CN101597488A High solid phase drilling fluid filter cake removal treating fluid |
| 12/09/2009 | CN101597487A Oil well cement high temperature retarder |
| 12/09/2009 | CN100567446C Method for preparing drilling diluter of TARA sulfonated tannin |
| 12/08/2009 | US7629299 Process for recovering residual oil employing alcohol ether sulfonates |
| 12/08/2009 | US7629298 Sandstone having a modified wettability and a method for modifying the surface energy of sandstone |
| 12/08/2009 | US7629297 Lost circulation composition |
| 12/08/2009 | US7629296 For use as a well servicing fluid; cationic guar as natural polymer is desirable; well completion |
| 12/08/2009 | US7628888 Adjust wet and dry strength of paper using hydrophilic polymer; heating, gelation, papermaking; paper coating |
| 12/08/2009 | CA2478433C Composition and process for well cleaning |
| 12/08/2009 | CA2442474C Corrosion inhibitors for aqueous systems |
| 12/08/2009 | CA2377504C Water based wellbore fluids |
| 12/08/2009 | CA2339101C Wellbore fluids containing particulates having acid degradable acetal crosslinks |
| 12/08/2009 | CA2320918C Anti-accretion additives for drilling fluids |
| 12/06/2009 | CA2668419A1 Method for mitigating the salinity of drilling waste |
| 12/03/2009 | WO2009144566A1 Treatment fluid and methods of enhancing scale squeeze operations |
| 12/03/2009 | WO2009143998A1 Cement compositions including polymer particles |
| 12/03/2009 | US20090298724 Method for Applying Remedial Cement to a Wellbore |
| 12/03/2009 | US20090298723 Method for Treating Wells by Small-Size Additive-Containing Emulsions |
| 12/03/2009 | US20090298722 Emulsion Breaker |
| 12/03/2009 | US20090298721 use of complexing agents ( sodium pyrophosphate, sodium carbonate, EDTA, sodium citrate) to improve the performance of friction reducing anionic polymers (e.g. acrylic acid-acylamide copolymer or homopolymers) in water containing multivalent ions; treatment fluid for subterranean formation |
| 12/03/2009 | US20090298720 Methods for maintaining fracture conductivity |
| 12/03/2009 | US20090298719 Method for treating subterranean formation with enhanced viscosity foam |
| 12/03/2009 | US20090294179 Method of controlling fluid loss and materials useful therein |
| 12/03/2009 | CA2725543A1 Cement compositions including polymer particles |
| 12/02/2009 | EP2128215A1 Cement compositions including polymer particles |
| 12/02/2009 | EP2128109A1 Solids Free Sealing Fluid |
| 12/02/2009 | EP2126016A2 Improved aqueous-based insulating fluids and related methods |
| 12/02/2009 | EP2125991A2 Method of treating subterranean formation with crosslinked polymer fluid |
| 12/02/2009 | EP2125990A2 Methods and compositions for fracturing subterranean formations |
| 12/02/2009 | EP2125989A1 Improved corrosion-inhibiting additives, treatment fluids, and associated methods |
| 12/02/2009 | EP2125988A2 Processing fluid for wells bored with oil-based muds in the form of a delayed effect water-in-oil emulsion |
| 12/02/2009 | EP2125987A1 Using oxidizing agents to remove thiocyanates from brines |
| 12/02/2009 | EP2125655A2 Particulate flow enhancing additives and associated methods |
| 12/02/2009 | CN101595199A Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 12/02/2009 | CN101595198A Systems and methods for absorbing gases into a liquid |
| 12/02/2009 | CN101595197A Precipitated weighting agents for use in wellbore fluids |
| 12/02/2009 | CN101595196A Methods of using stable hydrocarbon foams |
| 12/02/2009 | CN101591528A Method for preparing high-temperature resistant silicon diluent |
| 12/02/2009 | CN101591527A High temperature resistant anti-sloughing filtrate reducer for drilling fluid and preparation method thereof |
| 12/02/2009 | CN100564477C Oil displacement system for improving recovery factor after polyalcohol drive and preparation method thereof |
| 12/02/2009 | CN100564476C Surfactant and formula system in oil-production process |
| 12/01/2009 | US7625846 Such as polylactic or polyhydroxyalkanoate to viscosify aqueous fluids; sand control screens or liners |
| 12/01/2009 | US7625845 Hollow spheres of glass, ceramics, plastics; control heat transfer from production tubing, transfer pipe to annuli and environment; reduce convection flow velocity in the annulus |
| 12/01/2009 | US7624805 Method of inhibiting corrosion in a conduit |
| 12/01/2009 | US7624804 Method for recovering oil from a gas-lifted oil well penetrating a subterranean oil-bearing formation |
| 12/01/2009 | CA2569810C Well treatment for sand-containing formations |
| 12/01/2009 | CA2247693C Chemically induced stimulations of subterranean carbonaceous formations with gaseous oxidants |
| 11/26/2009 | WO2009142846A2 Suspension of concentrated particulate additives containing oil for fracturing and other fluids |
| 11/26/2009 | WO2009142845A2 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 11/26/2009 | WO2009141308A1 Anti-accretion agents for drilling fluids |
| 11/26/2009 | WO2009141007A1 Graft copolymer, method for the production thereof, and use thereof |
| 11/26/2009 | WO2009112808A3 Improved aqueous-based insulating fluids and related methods |
| 11/26/2009 | WO2009063161A3 Methods to enhance gas production following a relative-permeability-modifier treatment |
| 11/26/2009 | US20090291863 Methods of Diverting Chelating Agents in Subterranean Treatments |
| 11/26/2009 | US20090291862 Drilling fluid with circulation loss reducing additive package |
| 11/26/2009 | US20090291861 Wellbore fluid |
| 11/26/2009 | US20090291860 Altering properties of drilling fluid by adding crushed or whole oilseeds to fluid; increase in drilling fluid emulsion stability in oil-based or invert emulsion fluids, decreased specific gravity of drilling fluid, seepage loss control, reduced torque and drag of drilling string |
| 11/26/2009 | US20090291859 Drilling fluid additive |
| 11/26/2009 | US20090288843 Enzyme enhanced oil recovery (EEOR) for waterflooding operations |
| 11/26/2009 | US20090288831 Polymeric Extenders for Flexible Cement |
| 11/26/2009 | US20090288830 slurry comprising particles of synthetic glass comprising inorganic materials selected from CaO, MgO, SiO2, Al2O3, Fe2O3 and Na2O+K2O, wherein glass is in a 100% amorphous phase with degree of crystallization of zero, a high pH solution, a liquid phase, powdered amorphous silica, and antifoam additive |
| 11/26/2009 | US20090288826 Enzyme enhanced oil recovery (EEOR) for cyclic steam injection |
| 11/26/2009 | US20090288825 Surfactant method for improved oil recovery from subterranean reservoirs |
| 11/26/2009 | US20090288820 Method Of Manufacture And The Use Of A Functional Proppant For Determination Of Subterranean Fracture Geometries |
| 11/26/2009 | CA2724402A1 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 11/26/2009 | CA2723941A1 Graft copolymer, process for the preparation thereof and its use |
| 11/25/2009 | EP2121889A1 Use of betaines as foaming agents and foam drainage reducing agents |
| 11/25/2009 | EP2121888A1 Use of a betaine as a foam drainage reducing agent |