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)
10/2003
10/09/2003US20030191029 Heat resistance; stable rheology properties; aqueous solution containing crosslinked starch
10/09/2003US20030188872 Methods and compositions for consolidating proppant in subterranean fractures
10/09/2003US20030188870 Fracturing fluid and method of use
10/09/2003US20030188866 Circulation tool for use in gravel packing of wellbores
10/09/2003US20030188864 Recovery composition and method
10/09/2003CA2482513A1 Corrosion inhibitor
10/07/2003US6630429 Pelletized cottonseed hulls, vegetable starch and preserva-tive; environmentally safe; heat resistant; does not need mixing in mud pit; compact; easy to transport and store
10/07/2003US6630428 Blend of fatty acid alkyl esters and lower alkyl glycol ethers; high flash point, low vapor pressure; environmentally safe
10/07/2003US6630021 Cementing casing strings in deep water offshore wells
10/04/2003CA2378541A1 Using of stokes law cement slurries for improved well cementation
10/02/2003WO2003080995A1 Concentrated suspensions
10/02/2003WO2003015523A3 Methods for dewatering shaly subterranean formations
10/02/2003WO2000075399A3 Composition and method for inhibition of metal corrosion
10/02/2003US20030187078 Method for in situ forming of unstable oil in water emulsion, especially as well servicing fluid
10/02/2003US20030186820 Proppant flowback control using elastomeric component
10/02/2003US20030186819 Compositions for restoring lost circulation
10/02/2003US20030183808 Corrosion inhibitor
10/02/2003US20030183389 High temperature seawater-based cross-linked fracturing fluids and methods
10/01/2003EP1348832A1 Subterranean formation treatment
10/01/2003EP1348831A1 Water-microsphere suspensions for use in well cements
10/01/2003EP1348751A1 Aqueous-based oil well drilling fluids containing high amylose starch polymers
10/01/2003EP1348677A2 Storable water-silica suspensions for use in well cements
10/01/2003EP1348010A1 Invert emulsion drilling fluids and muds having negative alkalinity and elastomer compatibility
09/2003
09/30/2003US6626992 Environmentally acceptable well cement fluid loss control additives, compositions, and methods
09/30/2003US6626991 Remarkable mechanical properties; obtained without introducing gas; lightweight particles, microcement and optionally Portland cement and gypsum
09/30/2003US6626243 Methods and compositions for use in cementing in cold environments
09/30/2003US6626242 Storable composition and slurries and use of same for cementing oil and gas wells
09/30/2003US6626241 Method of frac packing through existing gravel packed screens
09/28/2003CA2419344A1 Aqueous - based oil well drilling fluids containing high amylose starch polymers
09/25/2003WO2003031087A3 Method for land improvement and microorganisms therefor
09/25/2003US20030181543 For sealing
09/25/2003US20030181542 For use in cementing wells
09/25/2003US20030181532 For use in oilfield treatments
09/25/2003US20030178230 Method and fluid for controlling the saturation of a formation around a well
09/25/2003US20030178191 In situ recovery from a kerogen and liquid hydrocarbon containing formation
09/25/2003US20030177955 Storable water-microsphere suspensions for use in well cements and methods
09/25/2003US20030177954 For cementing well bores; colloids
09/24/2003EP1346130A1 Novel compounds and method for generating a highly efficient membrane in water-based drilling fluids
09/24/2003EP1346006A1 Thinners for invert emulsions
09/24/2003EP1131534B1 Azimuth control of hydraulic vertical fractures in unconsolidated and weakly cemented soils and sediments
09/24/2003CN1443780A Ligand modified cellulose product
09/23/2003US6622790 Method for enhancing gas well secondary recovery operations
09/23/2003CA2102980C Method for recovering oil from a subterranean oil containing formation
09/23/2003CA2073806C Delayed borate crosslinking fracturing fluid
09/21/2003CA2407365A1 Storable water-microsphere suspensions for use in well cements and methods
09/21/2003CA2404402A1 Storable water-silica suspensions for use in well cements and methods
09/18/2003US20030176586 Hydrophobically modified polymers for water control
09/18/2003US20030176293 Drilling fluid, apparatus, and method
09/18/2003US20030176292 Drilling fluid additive system containing talc and cellulose
09/18/2003US20030176291 Controlling filter cakes; friction resistance
09/18/2003US20030176290 Water-based drilling fluid additive containing talc and cellulose
09/18/2003US20030176289 Water-based drilling fluid additive containing talc and carrier
09/18/2003US20030176288 Halogen acid corrosion inhibitor base
09/18/2003US20030173087 Nitrilotriacetamide and its salts are effective at treating existing salt formations, and in inhibiting formation of new deposits.
09/18/2003US20030173083 Hydraulic cement binder and a set-accelerating admixture comprising an alkali or alkaline earth metal nitrate and an alkali or alkaline earth metal nitrite.
09/18/2003US20030172848 Whey protein retarder
09/16/2003US6620770 Additive for oil-based drilling fluids
09/16/2003US6620769 Environmentally acceptable fluid polymer suspension for oil field services
09/16/2003US6620341 Heteropoly complex anions of transitional metal elements
09/16/2003US6620338 Composition for inhibition of metal corrosion
09/16/2003US6619399 Foamed compositions and methods of use in subterranean zones
09/16/2003CA2233551C Oil-free, water-soluble, hydroxyethyl cellulose, liquid, polymer dispersion
09/16/2003CA2137007C Method for removing alkaline sulfate scale
09/16/2003CA2126652C Hydrocarbon liquid and water dispersable particulate cement compositions
09/12/2003WO2003074833A2 Composition and process for well cleaning
09/12/2003WO2003074634A2 Improved hydrocarbon fluids
09/11/2003US20030168217 Fracturing liquid
09/11/2003US20030168215 Permeable cements
09/10/2003EP1342881A1 Foamed acidizing fluids
09/10/2003EP1341869A2 Shale hydration inhibition agent and method of use
09/10/2003EP1341734A2 Foamed well cement slurries, additives and methods
09/09/2003US6617285 Using polyols together with an enzyme for breaking the viscosity of aqueous treatment fluids gelled with borate crosslinked polymers used in hydrocarbon recovery operations
09/09/2003US6616753 Using as a gelling agent a compounds of the formula MaMb(SO4)2.xH2O, wherein Ma is a monovalent metal ion having an oxidation state of I, Mb is a trivalent metal ion having an oxidation state of III, and x is 0-24
09/09/2003US6616751 Water-selective cementing composition
09/09/2003US6616716 Method of improving the flow properties of a crude oil or natural gas liquid
09/09/2003CA2239318C Improved hydrocarbon gelling compositions useful in fracturing formations
09/04/2003WO2003023177A3 Methods for controlling screenouts
09/04/2003US20030166472 Composition and process for well cleaning
09/04/2003US20030166471 Non-damaging fluid-loss pill and method of using the same
09/04/2003US20030164238 In situ thermal processing of a coal formation using a controlled heating rate
09/04/2003US20030164234 In situ thermal processing of a hydrocarbon containing formation using a movable heating element
09/03/2003EP1340883A2 Aminocarboxylic acid breaker compositions for fracturing fluids
09/03/2003EP1340802A1 Alkyl glycidyl ether-capped diamine foam controlling agents
09/03/2003EP1339947A1 Additive for inhibiting the formation of gas hydrates
09/03/2003EP1339946A1 Well treatment process
09/03/2003EP1339945A1 Well treatment method
09/03/2003EP1339943A1 Well sealing method and apparatus
09/03/2003EP1339937A2 Improved method for stimulation of liquid flow in a well
09/03/2003EP1339811A2 Environmentally acceptable fluid polymer suspension for oil field services
09/03/2003EP1175378B1 Foamed well cement slurries, additives and methods
09/03/2003CN1440483A Sand consolidation with flexible gel systems
09/02/2003US6613899 Method for preventing deposits in oil extraction
09/02/2003US6613720 Pumping; emulsion remains stable then destabilizes and releases chemical or biological agent; completion
09/02/2003US6613142 Storable compositions and slurries and use of same for cementing oil and gas wells
09/02/2003CA2222087C Encapsulated breaker for oil gel system
08/2003
08/28/2003WO2003071085A2 Anhydride-modified chitosan, method of preparation thereof, and fluids containing same
08/28/2003US20030162925 For use as aqueous well service fluid
08/28/2003US20030162896 Gelled aqueous composition comprising a block copolymer containing at least one water-soluble block and one hydrophobic block
08/28/2003US20030162844 Polymer-gelled aqueous fracturing fluids but does not act on crosslinking agents
08/28/2003US20030162669 Drilling fluids containing an alkali metal formate
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