| 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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| 09/14/2006 | DE102005009134A1 Biologisch abbaubare Gashydratinhibitoren Biodegradable gas hydrate |
| 09/14/2006 | CA2599526A1 Well treatment composition crosslinkers and uses thereof |
| 09/13/2006 | EP1490581A4 Use of dispersion polymers as friction reducers in aqueous fracturing fluids |
| 09/13/2006 | CN1831042A Low fluorescence and sinking-proof type asphalt and its prodn. method |
| 09/12/2006 | US7104327 Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor |
| 09/12/2006 | US7104325 Introducing a brine preflush of cationic surfactant into a well bore, then a hardenable furan liquid resin mixture, a solvent, an organosilane coupling agent and an acid catalyst, flushing with brine, then allowing hardenable resin composition to cure |
| 09/08/2006 | WO2006092586A1 Methods of using partitioned, coated particulates |
| 09/08/2006 | WO2006092547A2 Methods of using drilling fluids containing biodegradable organophilic clay |
| 09/08/2006 | WO2006092438A1 Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production |
| 09/08/2006 | WO2006092208A1 Biologically degradable gas hydrate inhibitors |
| 09/08/2006 | CA2599211A1 Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production |
| 09/07/2006 | US20060199742 Water-soluble, low substitution hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof |
| 09/06/2006 | EP1698677A2 Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
| 09/06/2006 | EP1697482A2 Oil-based drilling fluid comprising a non-polluting emulsifying system which can be used for any base oil and which is stable in respect of gas hydrates formation |
| 09/06/2006 | EP1412614B1 Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone |
| 09/06/2006 | CN1829852A System for sealing a space in a wellbore |
| 09/06/2006 | CN1827731A Gas well completion fluid for well drilling in oil field |
| 09/06/2006 | CN1827730A Automatically-crushed remigration particle gel profile-control and water-shutoff agent |
| 09/06/2006 | CN1273561C Method of releasing stuck pipe or tools and spotting fluids therefor |
| 09/05/2006 | US7101829 Dissolving a polymer of styrene, acrylates, acrylonitrile, acrylamide, vinyl acrylates and esters to make a gel adding an emulcifier and agitating; fluid loss additive for drilling water-based mud compositions. improved high temperature stability, shear resistance |
| 08/31/2006 | WO2006090116A1 Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations |
| 08/31/2006 | WO2006090107A1 Methods of cementing using a fluid loss control additive |
| 08/31/2006 | WO2006090106A1 Fluid loss control additive and cement compositions comprising same |
| 08/31/2006 | WO2006073780A3 Remote delivery of latex drag-reducing agent |
| 08/31/2006 | WO2006024795A3 Method for treating underground formations or cavities with microgels |
| 08/31/2006 | US20060194700 Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same |
| 08/30/2006 | EP1694797A1 Water-based drilling fluids using latex additives |
| 08/30/2006 | EP1694727A2 Zwitterionic polymers comprising betaine-type units and use of zwitterionic polymers in drilling fluids |
| 08/30/2006 | EP1694722A1 Polyamine salts as clay stabilizing agents |
| 08/30/2006 | CN1824726A Solidification method of rejected well drilling liquid |
| 08/30/2006 | CN1272523C Method for treating hydrocarbon-containing rock formation, and method for producing gas and hydrocarbon energy |
| 08/29/2006 | US7098172 Prevention and treatment of lost circulation with crosslinked polymer material |
| 08/29/2006 | US7098171 Synthetic filtration control polymers for wellbore fluids |
| 08/29/2006 | US7096953 In situ thermal processing of a coal formation using a movable heating element |
| 08/29/2006 | US7096947 Fluid loss control additives for use in fracturing subterranean formations |
| 08/29/2006 | US7096941 In situ thermal processing of a coal formation with heat sources located at an edge of a coal layer |
| 08/24/2006 | WO2006088603A1 Soluble diverting agents |
| 08/24/2006 | WO2006087525A1 Viscoelastic surfactant fluids and associated acidizing methods |
| 08/24/2006 | WO2006087112A1 Use of polyesters in the form of gas hydrate inhibitors |
| 08/24/2006 | WO2006021792A3 Cement compositions comprising environmentally compatible defoamers and methods of use |
| 08/24/2006 | US20060189709 Useful for making gelled fluids by crosslinking hydratable polymers is an aqueous solution of zirconium complexed with carbonate and bicarbonate as the only multidentate ligands complexed with zirconium, hydraulic fracturing |
| 08/24/2006 | US20060189488 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir |
| 08/24/2006 | US20060189486 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 |
| 08/24/2006 | US20060188651 Additive for increasing the density of a fluid for casing annulus pressure control |
| 08/24/2006 | US20060186380 Corrosion inhibitor |
| 08/24/2006 | US20060185903 Acrylic block copolymer low temperature flow modifiers in lubricating oils |
| 08/24/2006 | US20060185845 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 |
| 08/24/2006 | DE102005006421A1 Polymere und ihre Herstellung und Verwendung als Gashydratinhibitoren Polymers and their preparation and use as gas hydrate inhibitors |
| 08/24/2006 | CA2598073A1 Viscoelastic surfactant fluids and associated acidizing methods |
| 08/23/2006 | EP1692243A1 Methods of reducing fluid loss in a wellbore servicing fluid |
| 08/23/2006 | EP1692242A1 Viscoelastic acid |
| 08/23/2006 | EP1546282B1 Borehole treatment agent containing low toxic oil phase |
| 08/22/2006 | US7094738 Phospholipid lubricating agents in aqueous based drilling fluids |
| 08/22/2006 | US7094737 Sugar cane additive for filtration control in well working compositions |
| 08/22/2006 | US7094736 Sampling of hydrocarbons from geological formations |
| 08/22/2006 | US7093659 Controlling chlorite or hypochlorite break rate of well treatment fluids using magnesium or calcium ions |
| 08/22/2006 | US7093655 Method for the recovery of hydrocarbons from hydrates |
| 08/22/2006 | CA2401745C Organic acid system for high temperature acidizing |
| 08/22/2006 | CA2121771C Fluids for oilfield industry, their preparation and their use in drilling, completion and well treatment operations, and in fracturing and matrix treatment operation |
| 08/17/2006 | WO2006085132A1 Self diverting matrix acid |
| 08/17/2006 | WO2006085057A1 Methods of cementing with lightweight cement compositions |
| 08/17/2006 | WO2006085055A1 Servicing a wellbore with wellbore fluids comprising perlite |
| 08/17/2006 | WO2006084981A1 Oil reservoir treatment method involving the injection of nanoparticles containing an anti-mineral deposit additive |
| 08/17/2006 | WO2006084662A1 Phosphorous-containing species for use in sludge control |
| 08/17/2006 | WO2006084613A1 Polymers and their production and use as gas hydrate inhibitors |
| 08/17/2006 | WO2004106387A3 Process for forming a ziegler-natta catalyst system having a controlled morphology |
| 08/17/2006 | US20060183819 Flexible cementing compositions and methods for high-temperature wells |
| 08/17/2006 | US20060183646 Viscoelastic surfactant fluids and associated methods |
| 08/17/2006 | US20060180307 Methods for preparing slurries of coated particulates |
| 08/17/2006 | CA2762962A1 Methods of cementing with lightweight cement compositions |
| 08/17/2006 | CA2613002A1 Servicing a wellbore with wellbore fluids comprising perlite |
| 08/16/2006 | EP1689911A1 Methods and compositions for inhibiting metal corrosion |
| 08/16/2006 | CN1818008A Oil-displacing agent and production thereof |
| 08/16/2006 | CN1818007A Production of high-temperature diluent of drilling liquid |
| 08/16/2006 | CN1818006A Borehole stabilized film-forming agent of drilling liquid and production thereof |
| 08/16/2006 | CN1270051C In situ recovery from hydrocarbon contg. formation |
| 08/16/2006 | CN1270049C Method for recovering uneven oil reservoir |
| 08/15/2006 | US7091160 Methods and compositions for reducing subterranean formation permeabilities |
| 08/15/2006 | US7091159 Polymeric product selected from the group consisting of: matter for use in stablizing shale formations in earth boreholes comprising polymeric products, polymers of a dialkyl aminoalkyl methacrylate, which can optionally be |
| 08/15/2006 | US7090036 System for drilling oil and gas wells by varying the density of drilling fluids to achieve near-balanced, underbalanced, or overbalanced drilling conditions |
| 08/15/2006 | US7090015 Methods of treating subterranean zones and viscous aqueous fluids containing xanthan and a combination cross-linker—breaker |
| 08/15/2006 | CA2350154C Water-based drilling fluids using latex additives |
| 08/10/2006 | WO2006084236A1 A composition and method for making a proppant |
| 08/10/2006 | WO2006083757A2 Method and system for harvesting weighting agent fines |
| 08/10/2006 | WO2006082416A1 Methods of creating high porosity propped fractures |
| 08/10/2006 | WO2006082363A1 Compositions and methods for plugging and sealing a subterranean formation |
| 08/10/2006 | WO2006082362A1 Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations |
| 08/10/2006 | WO2006082359A1 Compositions and methods for improving fracture conductivity in a subterranean well |
| 08/10/2006 | WO2006082358A1 Methods and compositions for improving the thermal stability of aqueous polymeric wellbore treatment fluids |
| 08/10/2006 | WO2006082356A1 Self degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations |
| 08/10/2006 | WO2006056774A3 Emulsifier-free wellbore fluid |
| 08/10/2006 | WO2006054261A3 Composition and method for treating a subterranean formation |
| 08/10/2006 | US20060178277 Fracturing method using aqueous or acid based fluids |
| 08/10/2006 | US20060178276 Energized fluids and methods of use thereof |
| 08/10/2006 | US20060178275 Method and composition for preventing or treating lost circulation |
| 08/10/2006 | US20060178274 Comprising at least one polysaccharide and an effective amount of at least one polyacrylamide to maintain stability at temperature greater than 250 degrees F; formate compound is not required to achieve high-temperature stability, thus, fluid is less expensive than conventional polymer-containing fluids |
| 08/10/2006 | US20060178273 Removing cuttings from the bit by circulating a drilling fluid containing a polysaccharide and a polyacrylamide homopolymer (molecular weight 20,000 to less than 40,000 daltons) to maintain stability of the fluid at greater than 250 degrees F; formate is not required |
| 08/10/2006 | DE102005002805A1 Hydrolytisch und hydrothermal beständige Konsolidierung oder Änderung des Benetzungsverhaltens von geologischen Formationen Hydrolytically and hydrothermally stable consolidation or change in the wetting behavior of geological formations |
| 08/10/2006 | CA2595217A1 Method and system for harvesting weighting agent fines |
| 08/09/2006 | CN1814986A Method for overcomming creep of salt-rock layer by using ralation of drilling fluid density and chloride concentration |