Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
11/2003
11/26/2003CN1128862C Improved method for thermo-chemical dewaxing of large dimension lines
11/26/2003CN1128861C Method for thermo-chemical dewaxing of large dimension lines
11/26/2003CN1128771C Cement fire-resistive concrete for oil well
11/25/2003US6653260 Electron transfer system for well acidizing compositions and methods
11/25/2003US6651741 Method of increasing productivity of oil, gas and hydrogeological wells
11/20/2003US20030216263 For breaking filtercake having substantial calcite and starch content; chelating agent to promote the dissolution of calcium carbonate and an enzyme for dissolving starch.
11/20/2003US20030216262 Stable liquid suspension compositons and method of making and use thereof
11/20/2003US20030213594 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content
11/20/2003US20030213593 Methods of treating subterranean zones penetrated by well bores
11/19/2003EP1362978A1 System for treating an underground formation
11/19/2003EP1362160A1 Composition and method for inhibition of formation of gas hydrates
11/19/2003EP1362087A2 Use of cardanol aldehyde resins as asphalt dispersants in crude oil
11/19/2003EP1362086A2 Oleaginous drilling fluid , method of use and bio-remediation of the same to produce a useful soil amendment
11/19/2003EP0973843B1 Well servicing fluid for trenchless directional drilling
11/18/2003US6649572 Polymer expansion for oil and gas recovery
11/18/2003US6649571 Method of generating gas bubbles in oleaginous liquids
11/18/2003US6648961 Containing suspension of fly ash microspheres in water gelled with sodium bentonite; sealing pipe strings in well bores
11/18/2003CA2261256C Methods of protecting well tubular goods from corrosion
11/18/2003CA2257028C Liquid co2/hydrocarbon oil emulsion fracturing system
11/18/2003CA2138859C Method and apparatus for providing a stream of inert gases in underbalanced drilling of a well bore
11/18/2003CA2062183C Composition for cementing oil wells at low temperature
11/15/2003CA2428714A1 Methods of treating subterranean zones penetrated by well bores
11/13/2003WO2003093811A2 Method for characterizing water-in-oil emulsions using electrical wave forms
11/13/2003WO2003093792A2 Compositions and methods for sealing formations
11/13/2003WO2003093641A1 Thickened acid composition and uses thereof
11/13/2003WO2003093392A1 Process for reducing the toxicity of hydrocarbons
11/13/2003WO2003092919A1 Methods of simultaneously cleaning and disinfecting industrial water systems
11/13/2003WO2003083259A3 Recovering materials
11/13/2003US20030211949 Printing inks, metal working fluid, drilling fluid, solvents
11/13/2003CA2484029A1 Methods of simultaneously cleaning and disinfecting industrial water systems
11/13/2003CA2482525A1 Method for characterizing water-in-oil emulsions using electrical wave forms
11/12/2003EP1360395A1 Viscoelastic compositions
11/12/2003EP1360394A1 Aqueous viscoelastic fluid
11/12/2003EP1360260A2 Drillings fluids containing an alkali metal formate
11/12/2003EP1051237B1 Use of surfactant compositions for wellbore operations
11/11/2003US6645399 Acyclilc, aromatic or heteroaromatic mercaptoalcohol(containing a water soluble hydroxy group) corrosion inhibitor for iron alloys
11/11/2003US6645288 Cementing compositions and application of such compositions for cementing oil wells or the like
11/11/2003US6644405 Storable water-microsphere suspensions for use in well cements and methods
11/06/2003US20030207768 Foaming agents for use in coal seam reservoirs
11/06/2003US20030206024 Method for characterizing water-in-oil emulsions using electrical wave forms
11/05/2003EP1359206A1 Amine-unsaturated acid adducts as asphaltene dispersants in crude oil
11/05/2003EP1358298A1 Additive for oil-based invert drilling fluids
11/05/2003EP1358233A2 Polymeric fluid loss additives and method of use thereof
11/04/2003US6642185 Adding a material capable of releasing divalent cations such as calcium lignosulfonate to reduce the pH enough to both break the crosslinked gel viscosity and to increase the enzyme activity, if an enzyme is present; well bores
11/04/2003US6642184 Organosilicon composition
11/04/2003US6642183 Lubricants comprising water soluble metal silicates, viscosity promoters selected from clays, xanthan gum and/or cellulose and tetraalkylammonium hydroxides as rheolgy stabilizer agents
11/04/2003US6641660 Stable well cementing methods and compositions
11/04/2003US6640898 Methods of preparing and using the fluids in fracturing subterranean formations penetrated by well bores and having temperatures above about 200 degrees F. The improved cross-linked fracturing fluids are basically comprised of a
10/2003
10/30/2003WO2003089541A1 Viscous oleaginous fluids and methods of drilling and servicing wells therewith
10/30/2003WO2003089540A1 Hydrate Inhibiting Well Fluids
10/30/2003WO2001088334A3 Well service composition and method
10/30/2003US20030203827 Method of simultaneously cleaning and disinfecting industrial water systems
10/30/2003US20030203822 Controlling pressure in subterranean wells, by injecting mixtures of fluids, polymer coated microstructure colloids and dispersants absorbed on the surfaces of the particles
10/30/2003US20030203821 Insoluble particles dispersed in nonaqueous liquids comprising dispersants and stabilizer agents, for use in oli or gas wells
10/30/2003US20030201103 Well completion; solution of hollow particles for sealing well
10/30/2003US20030200997 Forming chlorine dioxide in situ using alakli halites or halates; killing microorganisms
10/30/2003US20030200903 Hydration of cements; applying electricity
10/29/2003EP1356010A1 Thinners for invert emulsions
10/29/2003EP1356009A2 Spotting fluid for differential sticking
10/29/2003CN1452651A Method and fluid for controlling saturation of formation around well
10/28/2003US6638896 Fluids and techniques for hydrocarbon well completion
10/28/2003US6637517 Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations
10/23/2003WO2003087532A1 Antifreeze proteins for inhibition of clathrate hydrate formation and reformation
10/23/2003WO2003087531A1 Method to form a barrier in a reservoir with a magnetorheological fluid
10/23/2003WO2003087529A1 Method of drilling with magnetorheological fluid
10/23/2003WO2003087010A1 Cements containing high-silica minerals for well cementing
10/23/2003WO2002092963A3 A gas lift method with surfactant injection
10/23/2003US20030199397 Treating systems, especially oil and/or gas wells, characterized by metal sulfide deposits are provided. Compositions according to the invention generally comprise a thioacid, an amine salt, and a diphosphonic acid.
10/23/2003US20030199396 Drilling fluid, apparatus, and method
10/23/2003US20030196809 Method for preparing improved high temperature fracturing fluids
10/23/2003US20030196808 Encapsulating a solid within a semi-permeable membrane to form capsule; placing and maintaining capsule in a liquid capable of dissolving solid to permit concentration gradient driving forces to cause liquid to displace solid from within capsule
10/23/2003US20030196805 Conductive proppant and method of hydraulic fracturing using the same
10/23/2003US20030196800 Tracking of particulate flowback in subterranean wells
10/23/2003US20030196799 Method of tracking fluids produced from various zones in subterranean wells
10/23/2003CA2496631A1 Antifreeze proteins for inhibition of clathrate hydrate formation and reformation
10/23/2003CA2481863A1 Method of drilling with magnetorheological fluid
10/23/2003CA2481860A1 Method to form a barrier in a reservoir with a magnetorheological fluid
10/23/2003CA2424910A1 Amine-unsaturated acid adducts as asphaltene dispersants in crude oil
10/22/2003EP1355038A1 Tracking of particulate flowback in subterranean wells
10/21/2003US6635604 Such as ethylene glycol and/or tripropylene glycol bottoms; effective in wide variety of temperature and pressure conditions
10/21/2003US6634442 Process for using biodegradable drilling muds
10/16/2003WO2003085232A1 Use of dispersion polymers as friction reducers in aqueous fracturing fluids
10/16/2003WO2003071085A3 Anhydride-modified chitosan, method of preparation thereof, and fluids containing same
10/16/2003WO2003042125A3 Method of hardening a fluid mass
10/16/2003US20030195121 Enhancing recovery of petroleum from rock formations; pellets of a mixture of sulphur and a binding and strengthening additive such as a cement powder.
10/16/2003US20030195120 Acid soluble, high fluid loss pill for lost circulation
10/15/2003EP1198449B1 Process for preparing esterquats
10/15/2003EP0861120B8 Oil-free, water-soluble, hydroxyethyl cellulose, liquid, polymer dispersion
10/14/2003US6632779 Enhancing thermal stability; polyol, weighting agent and viscosifier
10/14/2003US6632778 Such as bisphenol A-epichlorohydrin copolymer combined with curing agent, nonionic surfactant, catalyst and gas; does not require gravel pack and screen
10/14/2003US6632777 Blocking micropores of shales with aqueous polyoxyethylene sorbitan monooleate material; preventing pressure trans-mission from mud column to formation
10/14/2003US6632527 Composite proppant, composite filtration media and methods for making and using same
10/14/2003US6631766 Methods, well cement compositions and lightweight additives therefor
10/14/2003US6631764 Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids
10/14/2003CA2072064C Method of grouting porous gas - and petroleum - bearing formations
10/09/2003WO2003083261A1 High temperature seawater-based cross-linked fracturing fluids and methods
10/09/2003WO2003083259A2 Recovering materials
10/09/2003WO2003083254A1 Compositions for restoring lost circulation
10/09/2003WO2003083173A2 Corrosion inhibitor
10/09/2003US20030191030 Pumping into well bore holes under pressure; aqueous fracturing fluid containing polymer
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