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)
07/2003
07/17/2003US20030132033 Electrically conductive non-aqueous wellbore fluid
07/17/2003US20030132000 Method and composition for preventing or treating lost circulation
07/17/2003US20030131999 Coating dry proppant particles with a hardenable resin; suspension in fracturing fluid; and consolidating in fractures into high strength permeable masses
07/17/2003US20030131998 Methods of consolidating proppant in subterranean fractures
07/17/2003CA2470440A1 Solids-stabilized oil-in-water emulsion and a method for preparing same
07/16/2003CN1430699A Method for treating hydrocarbon-containing formation
07/16/2003CN1430698A Method for treating hydrocarbon-containing formation
07/16/2003CN1430697A Method for treating hydrocarbon-containing formation
07/16/2003CN1430696A Heating system and method
07/16/2003CN1430695A Electrical well heating system and method
07/15/2003US6593460 Method for grafting lignin, polymerizates produced according to the method and the utilization thereof
07/15/2003US6593402 Sealing pipe to well bore; butadiene-styrene latex
07/15/2003US6593279 Anionic surfactant, a nonionic surfactant, a co- solvent, a solvent and an oxidizer; cleaning oil sludges and drilling mud residues from well cuttings, well formations and down hole and surface oil well drilling and production equipment.
07/15/2003US6591910 Dispersing agent comprising a tetrapolymer formed of methacrylic acid, a methacrylate, methallylsulfonic acid and ethoxylated acrylic acid; used in smaller amounts, not significant retardation, does not deteriorate fluid loss
07/15/2003US6591909 For use in cementing operations in a subterranean well bore; bovine serum albumin, alpha-lactoglobulin, and beta-lactoglobulin
07/15/2003US6591908 Injecting heated fluid; solvents include C1 to C30 hydrocarbons, carbon dioxide, carbon monoxide; surprisingly the percentage of oil recovered increased and the volume of injected fluid per volume of oil produced decreased as the
07/15/2003US6591907 Pyrolysis
07/15/2003US6591906 In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content
07/10/2003WO2003056130A1 Aqueous fracturing fluid
07/10/2003WO2003055960A1 Composition and method for improving oil recovery
07/10/2003WO2002034690A8 Foamed well cement slurries, additives and methods
07/10/2003US20030130135 Emulsifier for oil-based drilling fluids
07/10/2003US20030130134 Macrospheres for dual gradient drilling
07/10/2003US20030130133 Aqueous solution of polyol, polysaccharide and weight compound; reducing heat exchange
07/10/2003US20030130132 Mixture containing benzoate ester
07/10/2003CA2471137A1 Composition and method for improving oil recovery
07/09/2003EP1326003A1 Resin-coated proppant for subterranean fractures
07/09/2003CN1429309A Method for treating hydrocarbon-containing formation
07/09/2003CN1429262A Mantenance of oil production and refining equipment
07/08/2003US6590050 Polymeric fluid loss additives and method of use thereof
07/08/2003US6589917 For drilling subterranean wells such as gas or oil wells
07/08/2003US6588504 Conversion of hydrocarbons to produce hydrocarbons, hydrogen, and/or novel product streams from underground coal formations; pyrolysis
07/08/2003US6588503 In Situ thermal processing of a coal formation to control product composition
07/08/2003CA2313980C Method of reducing the concentration of metal soaps of partially esterified phosphates from hydrocarbon flowback fluids
07/08/2003CA2092114C Use of surface-active alpha-sulfo-fatty acid di-salts in water- and oil based drilling fluids and other drill-hole treatment agents
07/03/2003WO2003054352A1 A novel fluid system having controllable reversible viscosity
07/03/2003WO2003054348A1 Use of sulphonated alkyl phenol formaldehydes in the stabilization of ashphaltenes in crude oil
07/03/2003WO2003054346A1 Well cementing compositons for cold environment
07/03/2003WO2003054251A2 Nitrogen-containing compounds as corrosion inhibitors
07/03/2003WO2003054109A1 Improved internal breaker
07/03/2003WO2003054051A1 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir
07/03/2003US20030125216 Electron transfer system for well acidizing compositions and methods
07/03/2003US20030125215 Friction reducing composition and method
07/03/2003US20030121701 Hydrothermal drilling method and system
07/03/2003US20030121661 Using hydraulic cements; well completion
07/03/2003US20030121660 Mixture of oil, water and emulsifying surfactant; well completion
07/03/2003US20030121659 Resilient Cement
07/03/2003US20030121658 Using pressurized aqueous solution containing oxidizer; recovering heavy oils
07/03/2003US20030121456 Methods and oil-based settable spotting fluid compositions for cementing wells
07/03/2003CA2471413A1 Use of sulphonated alkyl phenol formaldehydes in the stabilization of ashphaltenes in crude oil
07/02/2003EP1323888A1 Method of fracturing a subterranean formation
07/02/2003EP1322721A2 Wellbore fluids and their application
07/02/2003EP1071732B1 Drilling fluids
07/02/2003CN1427920A Method of oil/gas well stimulation
07/02/2003CN1427919A Viscocity reduction of viscoelastic surfactant based fluids
07/01/2003US6586587 Comprising calcium salt and a chelating agent; use in drilling fluids; Shale stabilization; carboxymethyl cellulose; nitrilotriacetic acid; potassium chloride; calcium chloride; calcium hydroxide
07/01/2003US6586497 Incorporating foaming agent in mixture of particulates, then producing foam in mixture prior to transport to increase flowability of solid particulates
07/01/2003US6586372 Additive for increasing the density of a fluid and fluid comprising such additive
07/01/2003US6586371 Liquid compositions which reversibly viscosify or gel under the effect of shear
06/2003
06/26/2003WO2003052024A1 Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids
06/26/2003WO2003052023A1 Method of stabilising clay or shale
06/26/2003US20030119680 Novel fluid system having controllable reversible viscosity
06/26/2003US20030119679 Olefin isomers mixtures
06/26/2003US20030119678 Biodegradable chelant compositions for fracturing fluid
06/26/2003US20030116319 Using polymer; well completion
06/26/2003US20030116317 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
06/26/2003US20030116065 Methods and oil-based settable drilling fluid compositions for drilling and cementing wells
06/26/2003US20030116064 Permeable cements
06/26/2003CA2470241A1 Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids
06/26/2003CA2469051A1 Method of stabilising clay or shale
06/25/2003EP1321445A1 Whey protein cement retarder
06/25/2003CN1426507A Solid-stabilized water-in-oil emulsion and method for using same
06/25/2003CN1426506A Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
06/25/2003CN1425847A Method and device for acid exciting of underwell structure layer
06/25/2003CN1425846A Acid exciting of underwell structure layer
06/24/2003US6583091 Providing a corrosion prone metal surface with an effective amount of 4-sulfophthalic acid for inhibiting the corrosivity of an organic acid- containing petroleum stream
06/24/2003US6582819 Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
06/24/2003US6581701 Methods for reducing lost circulation in wellbores
06/24/2003US6581687 Water-in-oil microemulsions useful for oil field or gas field applications and methods for using the same
06/24/2003US6581684 In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids
06/19/2003WO2003050387A2 Friction reducing composition and method
06/19/2003WO2003027431A3 Method and materials for hydraulic fracturing of wells
06/19/2003US20030114539 Containing water, and a substantially fully hydrated depolymerized polymer having a polydispersity ratio of from 1 to 12 and a crosslinking agent; useful as fracturing fluids
06/19/2003US20030114319 Protective brine solutions (completion fluids) comprising zinc halides, calcium halides, and complexes of silicon molybdates/tungstates
06/19/2003US20030114318 Completion fluids; antiscaling agents; for removing filter cakes by dissolving alkaline sulfates on surface of well bores
06/19/2003US20030114317 Hydrophobe associative polymers and compositions and methods employing them
06/19/2003US20030114316 Biodegradable surfactant for invert emulsion drilling fluid
06/19/2003US20030114315 Polymeric gel system and use in hydrocarbon recovery
06/19/2003US20030114314 Internal breaker
06/19/2003US20030111225 Organic acid system for high temperature acidizing
06/19/2003US20030110987 Methods of preparing particulate flow enhancing additives
06/19/2003US20030110986 Particulate flow enhancing additives
06/18/2003EP1319798A1 Sealing subterranean zones
06/18/2003EP1319638A1 Permeable cement for wells
06/18/2003DE20217167U1 Dry mix for producing a self-hardening drilling fluid, used for horizontal drilling, comprises a swellable clay mineral and foundry sand powder with a hydroxyl ion-forming activator
06/17/2003US6579947 Forming a viscoelastic gel in an aqueous liquid; hydrophilic blocks of block copolymer made by hydrolyzing monomers such as lower alkyl acrylates; high temperature use
06/17/2003US6579909 To reduce the permeability of porous and permeable formations in oil and gas wells; subjecting polyacrylamide and zirconium lactate crosslinking agent to controlled shear by filtration
06/17/2003US6579832 Method for treating drilling fluid using nanoparticles
06/17/2003US6579572 Water-based system for altering wettability of porous media
06/12/2003WO2003048526A2 Composition for use in sealing a porous subterranean formation, and methods of making and using
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