| 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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| 06/30/2004 | CA2453953A1 Method for drilling depleted sands with minimal drilling fluids loss |
| 06/29/2004 | US6756345 Mixture of fracturing fluid and gas hydrate inhibitor |
| 06/29/2004 | US6755907 Gypsum composition with styrene butadiene latex additive |
| 06/29/2004 | CA2160258C Method for placement of a scale inhibitor in a formation |
| 06/29/2004 | CA2080906C Dispersant compositions for subterranean well drilling and completion |
| 06/29/2004 | CA2006010C The use of selected ester oils in drilling fluids and muds |
| 06/24/2004 | WO2004053017A1 Reducing fluid loss in a drilling fluid |
| 06/24/2004 | WO2004053016A1 Self-generating foamed drilling fluids |
| 06/24/2004 | WO2004022500A3 Well cementing slurries containing fibers |
| 06/24/2004 | US20040122111 enhancement is by pretreating by adding polymers to the oil, biotreating the oil, photochemically treating the oil ; Solid particles may also be added |
| 06/24/2004 | US20040121917 Useful in the foaming of saturated or near saturated brine |
| 06/24/2004 | US20040121916 Thickener for excavating slurry, excavating slurry using the the thickener, and cast-in-place underground pile work method and underground continuius wall work method using the excavating slurry |
| 06/24/2004 | US20040120853 Biocidal control in recovery of oil by water injection |
| 06/24/2004 | US20040118561 pumpable slurry has low viscosity, increased density which enables controlled high hydrostatic pressures in a well bore |
| 06/23/2004 | EP1431368A1 Fluid loss reducer for high temperature high pressure water-based mud application |
| 06/23/2004 | EP1431257A2 Permeable cement composition |
| 06/22/2004 | US6753299 Composite silica proppant material |
| 06/22/2004 | US6752210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores |
| 06/17/2004 | WO2004050791A1 Drilling fluid and methods of use thereof |
| 06/17/2004 | WO2004050790A1 Emulsified polymer drilling fluid and methods of preparation and use thereof |
| 06/17/2004 | WO2004050557A1 Process for the preparation of cabr2 hydrates and uses thereof |
| 06/17/2004 | US20040116304 For use in drilling through oil sand formations |
| 06/17/2004 | US20040116303 Resistivity imaging a formation during drilling a wellbore in formation with an electrically conductive oil-based drilling fluid, fluid comprising a polar ester oil-base, a sorbitan ester derivative surfactant, and an ethoxylated sorbitan ester |
| 06/17/2004 | US20040112600 Zeolite-containing cement composition |
| 06/17/2004 | US20040112598 Permeable cement composition and method for preparing the same |
| 06/17/2004 | CA2451747A1 Permeable cement composition and method for preparing the same |
| 06/16/2004 | EP1428805A1 Cement composition |
| 06/16/2004 | EP1427910A1 Biodegradable chelant compositions for fracturing fluid |
| 06/16/2004 | EP1427909A1 Treatment fluids and methods for consolidating substrates without simultaneous substantial loss of permeability |
| 06/16/2004 | EP1427682A1 Methods and ultra-low density sealing compositions for sealing pipe in well bores |
| 06/16/2004 | EP1169406B1 Method of releasing stuck pipe or tools and spotting fluids therefor |
| 06/16/2004 | EP0824632B1 Carboxyalkyl substituted polygalactomannan fracturing fluids |
| 06/15/2004 | US6750180 Borehole fluid containing a lubricating composition—method for verifying the lubrification of a borehole fluid—application with respect to fluids with a high ph |
| 06/15/2004 | US6750179 Dry mixture of a water soluble crosslinkable polymer, a crosslinking agent, and a reinforcing material selected from among fibers and comminuted plant materials |
| 06/15/2004 | US6749682 Hydration of cements; applying electricity |
| 06/15/2004 | US6749025 Lightweight methods and compositions for sand control |
| 06/15/2004 | US6749022 Fracture stimulation process for carbonate reservoirs |
| 06/15/2004 | US6749021 Pyrolysis |
| 06/10/2004 | WO2004048752A1 Selective stimulation with selective water reduction |
| 06/10/2004 | WO2004048495A1 Methods and solutions for removing hec-based cfla from a subterranean formation |
| 06/10/2004 | WO2004048418A2 Soluble, associative carboxymethylcellulose, method of making, and uses thereof |
| 06/10/2004 | WO2004003331A3 Non-corrosive amphoteric surfactants and method of well treatment |
| 06/10/2004 | US20040110998 Gas hydrate inhibitors |
| 06/10/2004 | US20040110877 Suspension comprising multiple surface active agents for treating oilfield fluids and gases and a method of making and using the same |
| 06/10/2004 | US20040110645 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 06/10/2004 | US20040110644 Water-based drilling fluids using latex additives |
| 06/10/2004 | US20040110643 For circulation through a well, such as those used to produce hydrocarbons and steam, during drilling operations |
| 06/10/2004 | US20040110642 Viscosities that are less affected by temperature over a temperature range from less than about 40 degrees F. to more than about 250 degrees F; for use in oil well drilling operations at various depths, particularly in deep water drilling |
| 06/10/2004 | US20040108141 Methods of forming a chemical casing |
| 06/10/2004 | US20040108113 Zeolite-containing treating fluid |
| 06/10/2004 | US20040108111 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation |
| 06/10/2004 | US20040107877 Zeolite-containing cement composition |
| 06/10/2004 | US20040107875 Low-density cementing slurry |
| 06/10/2004 | CA2425019A1 Zeolite-containing cement composition |
| 06/09/2004 | EP1425163A1 Heat-activated adhesive tape having an acrylic foam-like backing |
| 06/09/2004 | CN1503621A Biodegradable mulching-mat for preventing weeds and method for manufacturing the mat |
| 06/08/2004 | US6746992 Comprising: water; and a salt, a formate salt, wherein a weight-to- volume ratio of the salt in the well fluid is within a range of greater than 120% to about 400%. |
| 06/08/2004 | US6746623 Antifoam agents comprising bis/2-/3-aminopropoxy/ethyl/ ether, endcapped with butyl glycidyl ethers, for use in protective or decorative coatings, inks, adhesives, varnishes, agricultural or acid gas scrubbing solutions |
| 06/08/2004 | US6746611 Adding a ferrous gluconate chelating agent to form iron sulphide precipitate |
| 06/08/2004 | US6745837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate |
| 06/08/2004 | US6745832 Situ thermal processing of a hydrocarbon containing formation to control product composition |
| 06/08/2004 | US6745831 Mixture of hydrocarbons, h2, and/or other formation fluids may be produced from the formation. heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. |
| 06/03/2004 | WO2004046502A1 Methods and cement compositions for cementing in subterranean zones |
| 06/03/2004 | WO2004046501A1 A method for enhancing the stability of a water sensitive, reactive subterranean formation |
| 06/03/2004 | WO2004046273A2 Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids |
| 06/03/2004 | WO2004046272A1 Methods and drilling fluids for drilling well bores and sealing pipe strings therein |
| 06/03/2004 | US20040106525 Self-Destructing Filter Cake |
| 06/02/2004 | EP1424380A1 Compositions for drilling fluids useful to provide flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions |
| 06/02/2004 | EP1423491A1 Method and composition to decrease iron sulfide deposits in pipe lines |
| 06/02/2004 | EP1423490A1 Biodegradable surfactant for invert emulsion drilling fluid |
| 06/02/2004 | EP1423347A1 Aqueous fluorochemical polymer composition for water and oil repellent treatment of masonry and wellbores |
| 06/01/2004 | US6743756 For use with chemical, agricultural chemical, paper chemical, textile chemical, paint, joint cement, textured finishing compound, cosmetics hair spray, gelatin substitute, ceramic material, etc.; storage stability |
| 06/01/2004 | US6743288 Well cement additives, compositions and methods |
| 06/01/2004 | US6742603 Hydrothermal drilling method and system |
| 06/01/2004 | US6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
| 06/01/2004 | US6742592 Cementing compositions and applications of such compositions for cementing oil wells or the like |
| 06/01/2004 | US6742590 Methods of treating subterranean formations using solid particles and other larger solid materials |
| 06/01/2004 | US6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 06/01/2004 | US6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 06/01/2004 | US6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 05/27/2004 | WO2004044378A1 Process for the cleaning of oil and gas wellbores |
| 05/27/2004 | WO2004044087A1 Invert drilling fluids and methods of drilling boreholes |
| 05/27/2004 | US20040102569 For viscoelastic wellbore treatment fluids |
| 05/27/2004 | US20040102333 Methods and solutions for removing HEC-based CFLA from a subterranean formation |
| 05/27/2004 | US20040102332 Reaction product of dimer fatty acid and ethylene polyamine derivative with alkoxylated alkyl amines and/or fatty acid amides; reduced organoclay content; oil wells |
| 05/27/2004 | US20040102331 Treating subterranean oil formation with viscoelastic fluid and acid |
| 05/27/2004 | US20040102330 Viscoelastic compositions |
| 05/27/2004 | US20040099446 Membrane forming in-situ polymerization for water based drilling fluid |
| 05/27/2004 | US20040099416 Cementing subterranean zones using cement compositions containing biodegradable dispersants |
| 05/27/2004 | DE10252010A1 Use of copolymer as gas hydrate inhibitors, in liquid or gas, e.g. petroleum or natural gas, uses copolymer of ethylenically unsaturated lactam with poorly water-soluble monomer |
| 05/26/2004 | EP1421255A1 Method for inhibiting hydrate formation |
| 05/26/2004 | EP1421153A1 Electrically conductive oil-based mud |
| 05/26/2004 | EP1421152A1 Drilling fluid, apparatus and method |
| 05/26/2004 | CN1500177A Hydraulic fracturing fluid comprising block copolymer contg. at least one water-soluble block and one hydrophobic block |
| 05/26/2004 | CN1500129A Multi-component kits and combinations, use thereof and plastic cements obtd. therefrom |
| 05/25/2004 | US6740625 Partial fatty acid ester of glycerol or polyglycerol additive which adsorbs into the porous formation; improves wettability |
| 05/25/2004 | US6739806 Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations |
| 05/25/2004 | US6739414 Compositions and methods for sealing formations |
| 05/25/2004 | US6739394 Providing heat and a synthesis gas generating fluid to the section to generate synthesis gas |
| 05/25/2004 | US6739393 In situ thermal processing of a coal formation and tuning production |