| 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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| 03/09/2006 | WO2006024795A2 Method for treating underground formations or cavities with microgels |
| 03/09/2006 | WO2005116396A3 Subterranean fluids and methods of cementing in subterranean formations |
| 03/09/2006 | US20060052251 Time release multisource marker and method of deployment |
| 03/09/2006 | US20060048683 Oil suspension of silica powder, mineral oil, an oleophilic clay, an oleophilic surfactant and a hydrophilic surfactant for use with an aqueous slurry hydraulic cement slurry; eliminates silica powder and dust being produced during the handling and blending of silica with cement |
| 03/08/2006 | EP1631598A2 Process for forming a ziegler-natta catalyst system having a controlled morphology |
| 03/08/2006 | EP1521813B1 A drag-reducing agent for use in injection water at oil recovery |
| 03/08/2006 | EP1023382B1 Composite proppant, composite filtration media and methods for making and using same |
| 03/08/2006 | CN1745157A Emulsified polymer drilling fluid and methods of preparation and use thereof |
| 03/08/2006 | CN1743405A Hydrophobic hydroexpanding body regulating-driving agent |
| 03/08/2006 | CN1743404A Drilling fluid lubricating additive and its preparing method |
| 03/08/2006 | CN1244750C Preparation process of composite displacing oil agent for tertiary oil production |
| 03/08/2006 | CN1244664C Press cracking method |
| 03/08/2006 | CN1244553C Preparing method for inactive nitric acid powder |
| 03/08/2006 | CN1244503C Corrosion inhibitor for aqueous systems |
| 03/07/2006 | US7009020 Methods of forming superabsorbent polymer products for use in agriculture |
| 03/07/2006 | US7008908 Selective stimulation with selective water reduction |
| 03/07/2006 | US7008907 blend of carboxylic acid terminated polyamide and/or wetting agent with reaction product or mixture produced by Diels-Alder reaction of dienophiles, preferably carboxylic acids, acid anhydrides, with fatty acids and resin acids; emulsion stability |
| 03/07/2006 | US7008479 hydraulic cement slurry of carboxymethylhydroxyethyl cellulose, foam stabilizing surfactants of an ethoxylated alcohol ether sulfate, cocoylamidopropyl betaine, and cocoylamidopropyl dimethyl amine oxide; imporved rheology, fluid loss contol |
| 03/07/2006 | US7008477 Foamed cement slurries, additives and methods |
| 03/07/2006 | US7008466 Method for inhibiting hydrate formation |
| 03/07/2006 | US7007757 Fracturing fluids containing borate esters as crosslinking agents and method of using same |
| 03/07/2006 | US7007755 Elastomeric admixtures for improving cement elasticity |
| 03/07/2006 | US7007754 Method of cementing an area of a borehole with aqueous cement spacer system |
| 03/02/2006 | US20060046939 Alcohol acidizing composition for treating a well to increase production |
| 03/02/2006 | US20060046938 Methods and compositions for delinking crosslinked fluids |
| 03/02/2006 | US20060046937 viscoelastic nanotube fluid is pumped through wellbore and into a subterranean formation at a pressure sufficient to fracture the formation |
| 03/02/2006 | CA2577649A1 Cement compositions comprising environmentally compatible defoamers and methods of use |
| 03/02/2006 | CA2574782A1 Fluid loss concentrate for hydraulic cement |
| 03/02/2006 | CA2518000A1 Compositions for treating a well penetrating a subterranean formation and uses thereof |
| 03/01/2006 | EP1630181A1 Thermostable, watersoluble at high temperatures curable Polymer |
| 03/01/2006 | EP1628934A2 Cement compositions with improved mechanical properties and methods of cementing in a subterranean formation |
| 03/01/2006 | EP1534922B1 Method and compositions for inhibiting formation of hydrocarbon hydrates |
| 03/01/2006 | CA2479402A1 An alcohol acidizing composition for treating a well to increase production |
| 02/28/2006 | US7004253 Process for reducing the production of water in oil wells |
| 02/23/2006 | WO2006018616A1 Methods of extending the shelf life of and revitalizing lightweight beads for use in cement compositions |
| 02/23/2006 | WO2006018598A2 Stable and biodegradable foamed cement slurries, additives and methods |
| 02/23/2006 | US20060041028 adding to an aqueous fluid gelled with at least one amidoamine viscoelastic surfactant in an amount effective to reduce the viscosity of the gelled aqueous fluid, includes includes at least one metal ion source |
| 02/23/2006 | US20060040831 Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil |
| 02/22/2006 | CN1738962A Biocidal control in recovery of oil by water injection |
| 02/22/2006 | CN1243075C Negative pressure well fluid for oil well repairing operation and its prepn |
| 02/22/2006 | CN1243074C Tough impact admixture for oil well cement |
| 02/21/2006 | US7001953 Water-soluble polymer complexes |
| 02/21/2006 | US7001872 Subterranean formation treating fluid and methods of fracturing subterranean formations |
| 02/21/2006 | US7001871 Water-based drilling fluid additive containing talc and graphite |
| 02/21/2006 | US7000702 comprises water, a viscosity producing polymer, a boron crosslinking agent for the polymer, a delayed crosslink delinker that chelates the boron and breaks the treating fluid into low viscosity fluid selected from polysuccinamide and polyaspartate |
| 02/21/2006 | US7000701 Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack |
| 02/16/2006 | WO2006017623A1 Stabilizing crosslinked polymer guars and modified guar derivatives |
| 02/16/2006 | WO2006016103A1 Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations |
| 02/16/2006 | WO2006016035A1 Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations |
| 02/16/2006 | WO2005122313A3 Method and apparatus for performing chemical treatments of exposed geological formations |
| 02/16/2006 | US20060035790 Control of particulate flowback in subterranean formations using elastomeric resin coated proppants |
| 02/16/2006 | US20060035789 Surfactant package for well treatment and method using same |
| 02/16/2006 | US20060032632 Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations |
| 02/16/2006 | US20060032407 Comprises hydraulic cement, an aqueous saline fluid sufficient to form a slurry, a polymer precipitation and coagulation preventing surfactant, and a water-in-oil emulsion polymer; well treating fluid |
| 02/16/2006 | DE102004035515A1 Thermostabiles, wasserlösliches, bei hohen Temperaturen vernetzbares Polymer The thermally stable, water-soluble, crosslinkable polymer at high temperatures |
| 02/16/2006 | CA2572323A1 Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations |
| 02/15/2006 | EP1626077A2 An additive for increasing the density of a fluid and fluid comprising such additive |
| 02/15/2006 | EP1625280A2 Compositions and methods for treating lost circulation |
| 02/15/2006 | EP1625279A1 Self adaptive cement systems |
| 02/15/2006 | EP1625278A1 Methods of cementing in subterranean zones penetrated by well bores using biodegradable dispersants |
| 02/15/2006 | CN1733863A Low foamability drilling fluid and its preparation method |
| 02/14/2006 | US6997270 Compounds and method for generating a highly efficient membrane in water-based drilling fluids |
| 02/14/2006 | US6997261 Conformance improvement additive, conformance treatment fluid made therefrom, method of improving conformance in a subterranean formation |
| 02/14/2006 | US6997259 Methods for forming a permeable and stable mass in a subterranean formation |
| 02/14/2006 | US6997255 In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
| 02/13/2006 | CA2515865A1 Compositions containing water control treatments and formation damage control additives, and methods for their use |
| 02/09/2006 | WO2006014717A1 Water-based drilling fluids |
| 02/09/2006 | WO2006013597A1 Clay inhibitors for the drilling industry |
| 02/09/2006 | WO2006013596A1 Shale inhibitors for the petroleum industry |
| 02/09/2006 | WO2006013595A1 Shale inhibitors for the petroleum industry |
| 02/09/2006 | US20060030494 Set-on demand, ester-based wellbore fluids and methods of using the same |
| 02/09/2006 | US20060030493 Crosslinked treatment fluid compositions and methods |
| 02/09/2006 | US20060030492 A butadiene-styrene copolymer, a heat-activated, gelation crosslinker (di-tert-butylperoxide and/or dicumyl peroxide), a gel accelerator, and an oxidant (cumyl hydroperoxide and/or tert-butyl hydroperoxide) todecompose the gel in time; enhanced oil recovery; oil,gas and water wells |
| 02/09/2006 | US20060030491 Polyether polyesters having anionic functionality |
| 02/09/2006 | US20060027369 Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants |
| 02/09/2006 | US20060027363 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion |
| 02/09/2006 | US20060027144 Foamed cement slurries, additives and methods |
| 02/09/2006 | DE102004034141A1 Verwendung von Lithiumsalzen von Fettalkoholsulfaten zum Reinigen von Bohrlöchern, Bohrgeräten oder Bohrklein Use of lithium salts of fatty alcohol sulfates for cleaning boreholes, drilling equipment or drill cuttings |
| 02/08/2006 | EP1623089A1 Self adaptive cement systems |
| 02/08/2006 | EP1332195B1 Drilling fluid comprising a high-amylose starch |
| 02/08/2006 | CN1730149A Surface active agent synthesized from alkyl benzene, its formula system and its application in tertiary oil extraction |
| 02/08/2006 | CN1730148A Surface active agent synthesized from alkyl naphthalene, its formula system and its application in tertiary oil extraction |
| 02/08/2006 | CN1730147A Surface active agent synthesized from alkyl phenol or alkyl naphthol, its formula system and its application in tertiary oil extraction |
| 02/08/2006 | CN1730146A Surface active agent, its formula system and its application in tertiary oil extraction |
| 02/08/2006 | CN1240807C Use of single moleule quarternary ammonium salt compound as clay stabilizing, antiexpanding and deblocking extender |
| 02/08/2006 | CN1240806C Chemical agent for aiding extraction of thickening oil and its uses |
| 02/07/2006 | US6994173 Method of drilling a borehole |
| 02/07/2006 | US6994168 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to carbon ratio |
| 02/07/2006 | US6994167 Method and system for cement lining a wellbore |
| 02/07/2006 | US6994166 Composition and method for diversion agents for acid stimulation of subterranean formations |
| 02/07/2006 | US6994164 Method for enhancing the stability of a water sensitive, reactive subterranean formation |
| 02/07/2006 | US6994161 In situ thermal processing of a coal formation with a selected moisture content |
| 02/07/2006 | US6994160 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having a selected carbon number range |
| 02/07/2006 | CA2315024C Apparatus and method for injecting treatment fluids into an underground formation |
| 02/07/2006 | CA2164794C Bisphenol-containing resin coated articles and methods of using same |
| 02/03/2006 | CA2514314A1 Crosslinked treatment fluid compositions and methods |
| 02/02/2006 | WO2006012164A1 Controlled variable density fluid for wellbore operations |
| 02/02/2006 | WO2006010923A1 Foamed cement slurries, additives and methods |
| 02/02/2006 | WO2006010879A1 Cement-free zeolite and fly ash settable fluids and methods therefor |
| 02/02/2006 | US20060025312 Cement-free zeolite and fly ash settable fluids and methods therefor |