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)
03/2002
03/28/2002US20020038069 In situ thermal processing of a coal formation to produce a mixture of olefins, oxygenated hydrocarbons, and aromatic hydrocarbons
03/28/2002US20020038063 Composition and method for inhibition of formation of gas hydrates
03/28/2002US20020036103 In situ thermal processing of a coal formation by controlling a pressure of the formation
03/28/2002US20020036089 In situ thermal processing of a hydrocarbon containing formation using distributed combustor heat sources
03/28/2002US20020036088 Well drilling and servicing fluids and methods of removing filter cake deposited thereby
03/28/2002US20020036084 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation
03/28/2002US20020036083 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer
03/27/2002EP1190754A1 Demulsifying formulation based on oil and use thereof for the treatment of oil drill drains containing oil slurry
03/27/2002EP1190159A1 Deliberate fluid removal by capillary imbibition
03/27/2002EP1190157A1 Reduction in mineral salt deposition
03/27/2002EP1189995A2 Enzymatic preservation of water based paints
03/27/2002EP1189981A1 Organosilicon composition
03/27/2002EP0830327B1 Stable suspension of hydrocolloids
03/27/2002CN1342189A Aphron-containing aqueous well drilling and servicing fluids
03/27/2002CN1081719C Method for consolidation of sand
03/26/2002CA2127069C Control of gas migration in well cementing
03/21/2002WO2002022759A1 Mud system and method
03/21/2002WO2001083639A3 Well treatment fluids comprising chelating agents
03/21/2002WO2001081717A3 Method for treating a hydrocarbon-containing formation
03/21/2002WO2001066909A3 Lightweight compositions and methods for well treating
03/21/2002WO2001061148A3 Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids
03/21/2002US20020035307 Pyrolysis
03/21/2002US20020035180 Gypsum wallboard composition, wallboard panel, and method of making same
03/21/2002US20020035041 Oil-based settable spotting fluid
03/21/2002US20020035040 For recovering crude oil from an oil-bearing subterranean formation by drilling the formation and using a drilling fluid
03/21/2002US20020034380 In situ thermal processing of a coal formation with a selected moisture content
03/21/2002US20020033280 In situ thermal processing of a coal formation with carbon dioxide sequestration
03/21/2002US20020033265 Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
03/21/2002US20020033263 Sealing pipe to well bore; butadiene-styrene latex
03/21/2002US20020033260 Sodium, potassium or cesium bromide, organic acids and their salts, a co-surfactant (sodium dodecylbenzenefultonate or dodecylsulate), ammonium hydrocarbyl carboxylate zwitterionic surfactant; thickener for hydrocarbon wellbores
03/21/2002US20020033258 Methods of using reversible phase oil based drilling fluid
03/21/2002US20020033257 In situ thermal processing of hydrocarbons within a relatively impermeable formation
03/21/2002US20020033256 Process control; heating
03/21/2002US20020033255 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment
03/21/2002US20020033254 In situ thermal processing of a coal formation to control product composition
03/21/2002US20020033253 In situ thermal processing of a hydrocarbon containing formation using insulated conductor heat sources
03/20/2002EP1188772A2 Ligand-modified cellulose products
03/19/2002US6358889 Viscosified aqueous chitosan-containing well drilling and servicing fluids
03/19/2002US6357527 Encapsulated breakers and method for use in treating subterranean formations
03/19/2002CA2270257C The use of biodegradable alkoxylation products for cleaning boreholes, drilling equipment or drill cuttings
03/19/2002CA2111279C In-situ remediation of contaminated soils
03/14/2002WO2001081499A3 Viscoelastic surfactants and compositions containing same
03/14/2002US20020030076 Transport of solid particulates
03/14/2002US20020030018 Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation
03/14/2002US20020029885 In situ thermal processing of a coal formation using a movable heating element
03/14/2002US20020029884 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas
03/14/2002US20020029882 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas
03/14/2002US20020029881 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources
03/14/2002DE10101671A1 Verfahren zur Konditionierung stehender und fließender Wassersysteme Method for conditioning standing and flowing water systems
03/13/2002EP1186645A1 Drilling fluid comprising a high-amylose starch
03/13/2002EP1185598A1 Oil based drilling fluid and copolymer based on styrene, lauryl methacrylate and (meth)acrylic acid
03/13/2002EP0950034B1 Slag for cementing a well, in particular an oil well
03/13/2002CN1080755C Dissolving method for asphalt resultant in oil well
03/12/2002US6355600 Shale stabilizing drilling fluids comprising calcium chloride and low molecular weight low charge cationicpolyacrylamide copolymers
03/12/2002CA2173951C Oil-in-water emulsions as microbicide (biocide) substitutes in water carrying systems
03/12/2002CA2152483C Environmentally safe drilling fluid
03/07/2002WO2002018745A2 Fracturing fluid
03/07/2002WO2002018486A2 Hydrophilic insoluble cellulose as rheological modifier in water-immiscible liquids
03/07/2002US20020028750 Method of increasing the low shear rate viscosity and shear thinning index of divalent cation-containing fluids and the fluids obtained thereby
03/07/2002US20020027001 In situ thermal processing of a coal formation to produce a selected gas mixture
03/06/2002CN1080363C On-line thermo-chemical process for dewaxing of oil export pipelines
03/06/2002CN1080362C Chemicals for increasing productivity of oil and gas fields and method therefor
03/05/2002CA2066165C Wellbore fluid
03/01/2002CA2318297A1 Fracturing fluid
02/2002
02/28/2002WO2002016731A2 Method for conditioning standing and running water systems
02/28/2002WO2002016266A1 Hydrophobic rheologically effective products, method for production and use thereof
02/28/2002WO2001079648A3 Methods of drilling a bore hole and dehydrating drilling fluids
02/28/2002WO2001063090A3 Foaming agents for use in coal seam reservoirs
02/28/2002US20020026000 Recovering subterranean oil
02/28/2002US20020023781 Method and apparatus for lateral well drilling utilizing a rotating nozzle
02/28/2002US20020023752 Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations
02/28/2002CA2420253A1 Method for conditioning standing and running water systems
02/27/2002EP1062297B1 A method of improving the flow properties of a crude oil or natural gas liquid
02/27/2002EP1042583B1 Apparatus and method for injecting treatment fluids into an underground formation
02/27/2002CN1337986A Aphron-containing oil base fluids and method of drilling a well therewith
02/27/2002CN1337985A Method of releasing stuck pipe or tools and spotting fluids therefor
02/27/2002CN1079888C Method and system for monitoring characteristic of earth formation in well
02/27/2002CN1079883C A sealant and method for forming local sealing in wells
02/26/2002US6350721 Fluids and techniques for matrix acidizing
02/26/2002US6350309 A hydraulic cement, an epoxy resin, a hardening agent, and water, introducing into the annulus between the pipe string and well bore, and allowing to set into a resilient impermeable solid mass
02/25/2002CA2344734A1 Well treatment fluids and methods for the use thereof
02/21/2002WO2002014453A1 Formation stabilization
02/21/2002WO2001041912A3 Ether-capped poly(oxyalkylated) alcohol surfactants
02/21/2002US20020022579 Sealing subterranean zones
02/21/2002US20020020530 Sealing subterranean zones
02/21/2002US20020020529 Sealing subterranean zones
02/21/2002US20020020527 Combined liner and matrix system
02/20/2002EP1180061A1 Compositions and methods for using zwitterionic polymeric suds enhancers
02/20/2002CN1336951A Electrically conductive non-aqueous wellbore fluids
02/19/2002US6348436 Fluid comprising cellulose nanofibrils and its use for oil mining
02/19/2002US6347675 Coiled tubing drilling with supercritical carbon dioxide
02/19/2002CA2029465C Asphaltene dispersants-inhibitors
02/14/2002WO2002012674A1 Method for delivering chemicals to an oil or gas well
02/14/2002WO2002012673A1 Scale dissolver fluid
02/14/2002WO2002012638A1 Multi grouting system
02/14/2002WO2002012414A1 Drilling fluid comprising a high-amylose starch
02/14/2002WO2002011874A1 Viscoelastic wellbore treatment fluid
02/14/2002WO2002011873A1 Surfactant
02/14/2002US20020019318 Suspensions of water soluble polymers in surfactant free non-aqueous solvents
02/14/2002US20020019317 Containing effective concentration of cations and anions from water stable hydrophobic ionic liquid; enhanced electrical conductivity