| 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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| 08/04/2005 | US20050167104 Compositions and methods for the delivery of chemical components in subterranean well bores |
| 08/04/2005 | US20050166803 storage stable aqueous slurries comprising hydraulic cements, set retarders, plasticizers, glass or ceramic microspheres and strengthening agents, that is substantially free of a suspension |
| 08/04/2005 | US20050166802 Slurry of water and grout; one-package; mixture of bentonite, silica and graphite flakes; heat exchanging loop in soil; supplying slurry |
| 08/04/2005 | CA2552962A1 Method and compositions for rheology modification of aqueous soluble salt solutions |
| 08/03/2005 | EP1559867A1 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
| 08/03/2005 | EP1558695A1 Additive for increasing the density of a fluid for casing annulus pressure control |
| 08/02/2005 | US6924255 Composition and method for treating a subterranean formation |
| 08/02/2005 | US6924253 Scale removal |
| 08/02/2005 | US6923264 Methods of fracturing subterranean zones, fracturing fluids and breaker activators therefor |
| 08/02/2005 | US6923263 Well sealing method and apparatus |
| 08/02/2005 | US6923260 Mitigation of proppant sticking in removing downhole tools |
| 08/02/2005 | US6923258 In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 08/02/2005 | CA2247719C Drilling fluid concentrates |
| 07/29/2005 | CA2484465A1 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
| 07/28/2005 | WO2005068778A1 Method of consolidating an underground formation |
| 07/28/2005 | WO2005068777A2 Methods of using sealants in multilateral junctions |
| 07/28/2005 | WO2005068776A2 Settable fluids comprising particle-size distribution-adjusting agents and methods of use |
| 07/28/2005 | WO2005068582A2 Settable fluids and methods for use in subterranean formations |
| 07/28/2005 | WO2005049962A3 Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack |
| 07/28/2005 | WO2005035931A3 Thermal stability agent for maintaining viscosity and fluid loss properties in drilling fluids |
| 07/28/2005 | WO2005028587A3 Improved subterranean treatment fluids and methods of treating subterranean formations |
| 07/28/2005 | WO2005024179A3 Methods for forming a permeable and stable mass in a subterranean formation |
| 07/28/2005 | US20050164894 Water soluble relative permeability modifier comprising polymer with hydrophilic and polar hydrophobic monomers such as dimethylaminoethyl methacrylate or dimethylaminopropyl methacrylamide; and vinyl amine, vinyl alcohol, and/or alkyl acrylate; subterranean formations; enhanced oil recovery |
| 07/28/2005 | US20050164893 Methods of fracturing subterranean zones, fracturing fluids and breaker activators therefor |
| 07/28/2005 | US20050164891 Combining a cystosol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition, wherein the particles comprise barite, galena, hematite, dolomite, calcite, or combinations |
| 07/28/2005 | US20050161631 Antifreeze proteins for inhibition of clathrate hydrate formation and reformation |
| 07/28/2005 | US20050161262 Variable density treatment fluids and methods of using such fluids in subterranean formations |
| 07/28/2005 | US20050161220 Fluid loss control additives for use in fracturing subterranean formations |
| 07/28/2005 | US20050160947 Displacement of gelling additive to well bore; crosslinking; forming barrier |
| 07/28/2005 | US20050160945 Pumpable cement slurry based on water and particulate solids, designed so that temperature stable phase (anorthite) are selected; lining a pipe for high temperature fluids such as a pipe for geothermal well carrying steam or hot brine |
| 07/28/2005 | US20050160944 Dry mix of a calcined oxide of calcium and/or magnesium, an acid phosphate, fly ash and boric acid or borate; useful in permafrost conditions such as oil well sealant; lightweight, low thermoconductivity |
| 07/28/2005 | CA2552579A1 Settable fluids and methods for use in subterranean formations |
| 07/28/2005 | CA2548329A1 Method of consolidating an underground formation |
| 07/27/2005 | EP1556583A2 Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 07/27/2005 | EP1556582A1 Generating acid downhole in acid fracturing |
| 07/27/2005 | EP1556581A1 Methods of completing wells in unconsolidated formations |
| 07/27/2005 | EP1556458A1 Self-destructing filter cake |
| 07/27/2005 | EP1339947B1 Additive for inhibiting the formation of gas hydrates |
| 07/27/2005 | EP1115960B1 Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition |
| 07/26/2005 | US6921742 Well drilling fluids |
| 07/26/2005 | US6920929 Reverse circulation cementing system and method |
| 07/26/2005 | US6920928 Selectively reducing the flow of subterranean aqueous fluids into a well while maintaining its hydrocarbon production; includes physical stabilization and chemical stabilization of the structure |
| 07/26/2005 | CA2371003C Deliberate fluid removal by capillary imbibition |
| 07/26/2005 | CA2253812C Biodegradable synthetic ester base stocks formed from branched oxo acids |
| 07/26/2005 | CA2221133C Method for inhibiting hydrate formation |
| 07/26/2005 | CA2212479C Low toxic corrosion inhibitor |
| 07/26/2005 | CA2172622C Control of iron deposition in borehole pumps |
| 07/26/2005 | CA2163435C Plugging liquid for plugging a subterranean formation zone |
| 07/21/2005 | WO2005066458A2 Method for enancing the retention efficiency of treatment chemicals in subterranean formations |
| 07/21/2005 | WO2005066457A1 Methods of well stimulation and completion |
| 07/21/2005 | WO2005066456A1 Method of reducing water influx into gas wells |
| 07/21/2005 | WO2005066451A1 Orthoester compositions and methods of use in subterranean applications |
| 07/21/2005 | WO2005066299A1 A method of gravel packing with oil-based carrier fluid |
| 07/21/2005 | US20050159559 Injecting a suspension comprising particles of a controlled release scale inhibitor comprising an esterifiable scale inhibitor cross-linked with a polyol via ester cross-links suspended in an aqueous medium |
| 07/21/2005 | US20050159319 Methods of using sealants in multilateral junctions |
| 07/21/2005 | US20050156137 hydroxyethyl substituted amine or amide derivatives for treating metal surfaces in aqueous systems and in oil-field applications, e.g. in oil or gas wells |
| 07/21/2005 | US20050155796 Permeability-modifying drilling fluids and methods of use |
| 07/21/2005 | US20050155795 Settable fluids comprising particle-size distribution-adjusting agents and methods of use |
| 07/21/2005 | US20050155765 Friction reducers for fluids comprising carbon dioxide and methods of using friction reducers in fluids comprising carbon dioxide |
| 07/21/2005 | US20050155763 Cement for drilling well bores; fresh water, salt water, portland, pozzolana, gypsum, high alumina, silica cement; a set retarder of phosphonic acid; activator composition is trialkanolamine and metal hydroxide; |
| 07/21/2005 | US20050155762 Additive for viscoelastic fluid |
| 07/21/2005 | US20050155761 Wellbore fluids containing additives for removing a filter cake and methods of using the same |
| 07/21/2005 | CA2683210A1 Orthoester compositions and methods of use in subterranean applications |
| 07/20/2005 | EP1555385A1 Method of consolidating an underground formation |
| 07/20/2005 | EP1427682B1 Methods and ultra-low density sealing compositions for sealing pipe in well bores |
| 07/14/2005 | WO2005035941A3 Methods of fracturing a subterranean formation using a ph dependent foamed fracturing fluid |
| 07/14/2005 | WO2005030672A3 Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
| 07/14/2005 | US20050153845 Addition of a water-soluble carbonate and/or bicarbonate to a high-density brine of sufficient salt content, e.g. zinc bromide, to reduce acidity of zinc solution used in recovering hydrocarbons, well completion fluids |
| 07/14/2005 | US20050150520 Methods of simultaneously cleaning and disinfecting industrial water systems |
| 07/13/2005 | EP1552107A1 Fracture stimulation process for carbonate reservoirs |
| 07/13/2005 | EP1552106A1 Method for the treatment and prevention of asphaltene-paraffin-vax precipitates in oil-wells, wellheads and pipelines by the use of biocolloid suspensions |
| 07/13/2005 | EP1551935A1 Use of anionic dispersion polymers as viscosity modifiers in aqueous drilling fluids |
| 07/13/2005 | EP1551882A2 Molecular weight reduction of polysaccharides by electron beams |
| 07/13/2005 | CN1639445A Methods for controlling screenouts |
| 07/13/2005 | CN1639444A Viscoelastic compositions |
| 07/13/2005 | CN1639303A 改进的烃流体 Improved hydrocarbon fluids |
| 07/12/2005 | US6915854 Foaming agents for use in coal seam reservoirs |
| 07/09/2005 | CA2451952A1 Imparting stability to coal while drilling coal-bed methane |
| 07/09/2005 | CA2451641A1 Method of placing blocking gel in gas producing formations in order to reduce water influx into the well bore |
| 07/07/2005 | WO2005061846A1 Cement compositions with improved mechanical properties and methods of cementing in a subterranean formation |
| 07/07/2005 | WO2005061653A1 Methods of reducing fluid loss in a wellbore servicing fluid |
| 07/07/2005 | WO2005061652A1 Method and composition for improving performance of aqueous and polymer based fluids at high temperatures |
| 07/07/2005 | WO2005061609A1 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 |
| 07/07/2005 | WO2005024175A8 Dual function cement additive |
| 07/07/2005 | US20050148475 Method and composition for improving performance of aqueous and polymer based fluids at high temperatures |
| 07/07/2005 | US20050145386 Permeable cement compostion and method for preparing the same |
| 07/07/2005 | US20050145385 Methods of well stimulation and completion |
| 07/07/2005 | US20050145141 Permeable cement composition and method for preparing the same |
| 07/05/2005 | US6914081 Mixing hydrotalcite compound with water and clay to produce rheology-modified aqueous formulation |
| 07/05/2005 | US6914036 Demulsifier for aqueous completion fluids |
| 07/05/2005 | US6913080 Re-use recovered treating fluid |
| 07/05/2005 | US6913078 In Situ thermal processing of hydrocarbons within a relatively impermeable formation |
| 07/05/2005 | CA2084780C Fluid drill-hole treatment agents based on carbonic acid diesters |
| 06/30/2005 | WO2005059860A2 Zwitterionic polymers comprising betaine-type units and use of zwitterionic polymers in drilling fluids |
| 06/30/2005 | WO2005059303A1 Filter cake degradation compositions and methods of use in subterranean operations |
| 06/30/2005 | WO2005059301A1 Zeolite-containing settable spotting fluids |
| 06/30/2005 | WO2005059300A1 Foamed fly ash cement compositions and methods of cementing |
| 06/30/2005 | WO2005059059A1 Viscoelastic acid |
| 06/30/2005 | WO2005059058A2 Well completion spacer fluids containing fibers and methods |
| 06/30/2005 | WO2005058986A1 Polyamine salts as clay stabilizing agents |