| 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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| 09/10/2004 | WO2004076811A2 Drilling fluid component |
| 09/10/2004 | WO2004076810A1 A method of using a swelling agent to prevent a cement slurry from being lost to a subterranean formation |
| 09/10/2004 | WO2004076808A1 Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry |
| 09/10/2004 | WO2004076807A1 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations |
| 09/10/2004 | WO2004076796A2 Cementing compositions and methods of cementing in a subterranean formation using an additive for preventing the segregation of lightweight beads |
| 09/10/2004 | WO2004076586A1 Use of a selected legume starch in an industrial fluid |
| 09/10/2004 | CA2515387A1 Use of a selected legume starch in an industrial fluid |
| 09/09/2004 | US20040176478 amphoteric/zwitterionic surfactant and an organic acid/salt and/or inorganic salts useful as a thickener for the suspension of particles |
| 09/09/2004 | US20040173354 Fracturing fluid and method of use |
| 09/09/2004 | DE10307728A1 Korrosions-und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit Corrosion and gas hydrate inhibitors with improved water solubility and increased biodegradability |
| 09/09/2004 | DE10307725A1 Korrosions-und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit Corrosion and gas hydrate inhibitors with improved water solubility and increased biodegradability |
| 09/08/2004 | EP1454035A2 Friction reducing composition and method |
| 09/08/2004 | EP1453932A1 Method of stabilising clay or shale |
| 09/08/2004 | EP1341734B1 Foamed well cement slurries |
| 09/07/2004 | US6787507 Stabilizing clayey formations |
| 09/07/2004 | US6787506 Use of dispersion polymers as friction reducers in aqueous fracturing fluids |
| 09/07/2004 | US6787505 The wellbore fluid can be used for providing enhanced information from electrical logging tools, measurement while drilling, logging while drilling, geosteering and the like. |
| 09/02/2004 | US20040171499 Comprising hydraulic cement and elastic particles; placing in well bore; sealing |
| 09/02/2004 | US20040171498 Reacting blend of acid terminated polyamide and a mixtureproduced by theDiels-Alder reactionof dienophiles with mixture of modified fatty acids and resin acids; salt formation, saponification and metallization with metal oxide or metal hydroxide; solidification, recovering; drilling fluids |
| 09/02/2004 | US20040171497 Drilling or servicing fluid comprising oleaginousliquid as continuous phase, surfactants, and aphron stabilizers; increased half-life; high pressure |
| 09/02/2004 | US20040171496 Stabilized colloidal and colloidal-like systems |
| 09/02/2004 | US20040171495 Drilling fluid component |
| 09/02/2004 | US20040169161 Using a quaternary ammonium compound containing ether groups |
| 09/02/2004 | US20040168830 Methods of generating gas in well fluids |
| 09/02/2004 | US20040168804 Method of using a swelling agent to prevent a cement slurry from being lost to a subterranean formation |
| 09/02/2004 | US20040168803 Cementing compositions and methods of cementing in a subterranean formation using an additive for preventing the segregation of lightweight beads |
| 09/02/2004 | US20040168802 Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry |
| 09/02/2004 | US20040168801 Methods of generating gas in well treating fluids |
| 09/01/2004 | EP1451442A1 Methods and compositions for sealing an expandable tubular in a wellbore |
| 09/01/2004 | EP1451441A1 Resilient cement |
| 08/31/2004 | US6784141 Blend of acrylamide-dimethylaminoethyl acrylate copolymer quaternized with benzyl chloride; and ethanaminium,n, n,n-trimethyl-2-((1,oxo-2-propenyl)oxy)-chloride homopolymer stabilizer |
| 08/31/2004 | US6784140 Viscosifying polymer; and diethylene glycol methylether, diethylene glycol ethylether, triethylene glycol methylether, and triethylene glycol ethylether; and salt |
| 08/31/2004 | US6783582 System for treating petroleum and petrochemical slop oil and sludge wastes |
| 08/31/2004 | CA2096083C Partially or entirely water-soluble acrylic copolymer, cross-linked or not, and the use thereof |
| 08/26/2004 | WO2004048418A3 Soluble, associative carboxymethylcellulose, method of making, and uses thereof |
| 08/26/2004 | US20040167248 Methods of sealing expandable pipe in well bores and sealing compositions |
| 08/26/2004 | US20040167040 quaternary ammoniumalkyl- derivatives (especially betaines) of succinimides prepared from succinic anhydrides and di-substituted aminoalkylamines; for use in equipment for extracting and transporting hydrocarbons in crude oil extraction and processing. |
| 08/26/2004 | US20040167037 iron chelating agents stable at pH as high as 11.5, particularly ferrous gluconates, are added to the fluid to precipate iron sulfide; enhances the resilience of the rheological properties of drilling fluids to hot rolling and comparable field conditions. |
| 08/26/2004 | US20040164278 Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability |
| 08/26/2004 | US20040163995 Adding dendrimeric compound of hyperbranched polyamideester built up from succinic anhydride, diisopropanolamine, functionalised with poly (isobutenyl) succinic anhydride |
| 08/26/2004 | US20040163814 Subterranean treatment fluids and methods of using these fluids to stimulate subterranean formations |
| 08/26/2004 | US20040163812 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations |
| 08/26/2004 | US20040163306 Additives for inhibiting gas hydrate formation |
| 08/26/2004 | DE10307729B3 Additive zur Inhibierung der Gashydtratbildung Additives for inhibiting the Gashydtratbildung |
| 08/25/2004 | EP1450004A1 Additives for inhibiting the formation of gas hydrates |
| 08/25/2004 | EP1450003A1 Corrosion and gas hydrate inhibitors with improved water solubility and biodegradability |
| 08/25/2004 | EP1449940A1 Corrosion and gas hydrates inhibitors with improved water solubilty and biodegradabilty |
| 08/25/2004 | EP1261563B1 Multifunctional additive to cement slurries |
| 08/25/2004 | CN1524118A Method for solubilising asphaltenes in a hydrocarbon mixture |
| 08/24/2004 | US6780822 Thickeners; viscoelectricity fluids for wells |
| 08/24/2004 | US6780804 Extended particle size distribution ceramic fracturing proppant |
| 08/24/2004 | US6779607 Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production |
| 08/24/2004 | CA2119097C Thermally stable thiosulfate hydroxyethylcellulose suspension |
| 08/19/2004 | WO2004069939A2 Stabilized colloidal and colloidal-like systems |
| 08/19/2004 | WO2004069398A2 Stabilized colloidal and colloidal-like systems |
| 08/19/2004 | WO2004050790B1 Emulsified polymer drilling fluid and methods of preparation and use thereof |
| 08/19/2004 | US20040162456 modifying the rheological properties of the suspensions of crystals of hydrates by the addition of additives such as polymers which are soluble in the hydrocarbons |
| 08/19/2004 | US20040162356 Fiber Assisted Emulsion System |
| 08/19/2004 | US20040162224 Method of tracking fluids produced from various zones in subterranean well |
| 08/19/2004 | US20040159433 Foaming agents for use in coal seam reservoirs |
| 08/19/2004 | US20040159431 fluid loss control polymer additive from an unsaturated sulfonic acid, unsaturated carboxy acid or anhydride, vinyl amide, hydrocarbylenebis- acrylate or acrylamide, and optionally an unsaturated ether or allyl alcohol |
| 08/19/2004 | US20040159041 Additives for inhibiting the formation of gas hydrates |
| 08/19/2004 | CA2457281A1 Method of preventing sedimentation of gas hydrate crystals |
| 08/18/2004 | EP1447523A1 Completing wells in unconsolidated zones |
| 08/18/2004 | EP1446552A1 Composite silica oxide proppant material |
| 08/18/2004 | EP1446549A1 Oil-soluble scale inhibitors with formulation for environmently friendly composition |
| 08/18/2004 | EP1446459A1 Well drilling method and drilling fluid |
| 08/18/2004 | EP1446367A2 Method of hardening a fluid mass |
| 08/17/2004 | US6777377 Comprises water swellable clay, and water absorbent/swellable polymer (such as crosslinked polyacrlyamide); waterproofing; well completion |
| 08/17/2004 | US6776237 Lightweight well cement compositions and methods |
| 08/17/2004 | US6776236 Methods of completing wells in unconsolidated formations |
| 08/17/2004 | US6776234 Enhanced oil recovery by adding to a steam line a fatty ester, a surfactant, a colloid, and an acid to an oil reservoir; particularly effective in deep oil wells and under high pressure |
| 08/17/2004 | CA2242222C Polymeric compositions and methods for use in well applications |
| 08/12/2004 | WO2004067911A2 Propped fracture with high effective surface area |
| 08/12/2004 | WO2004067910A1 Methods of fracturing subterranean zones to produce maximum productivity |
| 08/12/2004 | WO2004067896A2 Extended particle size distribution ceramic fracturing proppant |
| 08/12/2004 | WO2004067469A1 Methods and compositions for cementing subterranean zones |
| 08/12/2004 | US20040158058 Aqueous rheology modifier which functions in personal care, household care, paint, building materials and construction, pharmaceutical, medical care, oilfield, mineral processing, paper making and paper coating, and food |
| 08/12/2004 | US20040157937 Aminocarboxylic acid breaker compositions for fracturing fluids |
| 08/12/2004 | US20040157749 Injecting a solution of an oil-wetting surfactant in a solvent into the well; producing the solvent from the well |
| 08/12/2004 | US20040157748 High temperature fluid loss performance while having a minimum impact on viscosity build when incorporated into well drilling fluids |
| 08/12/2004 | CA2453945A1 Methods of completing wells in unconsolidated subterranean zones |
| 08/11/2004 | CN1161691C Memory controller for detecting failure of speculation of component being addressed |
| 08/11/2004 | CN1161444C Drilling fluids |
| 08/10/2004 | US6774090 Compositions and methods for controlling downhole sulfide deposits |
| 08/10/2004 | US6774089 Controlling filter cakes; friction resistance |
| 08/10/2004 | US6772838 Lightweight particulate materials and uses therefor |
| 08/10/2004 | CA2202824C Modular drilling fluid system and method |
| 08/10/2004 | CA2198812C Proppants with fiber reinforced resin coatings |
| 08/05/2004 | WO2004065518A1 Invertible well bore servicing fluid |
| 08/05/2004 | WO2004065517A1 Drilling fluid, apparatus, and method |
| 08/05/2004 | WO2004065321A1 Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations |
| 08/05/2004 | WO2004007897A3 Shale hydration inhibition agent and method of use |
| 08/05/2004 | WO2003054251A3 Nitrogen-containing compounds as corrosion inhibitors |
| 08/05/2004 | WO2002103081A3 Halogen acid corrosion inhibitor base |
| 08/05/2004 | US20040152833 Superabsorbent polymer such as starch, grafting, saponifiction, precipitation and granulation |
| 08/05/2004 | US20040152604 Acid diverting system containing quaternary amine |
| 08/05/2004 | US20040152603 Blends of esters with isomerized olefins and other hydrocarbons as base oils for invert emulsion oil muds |
| 08/05/2004 | US20040152602 Injecting at high pressure into the formation a fracturing fluid comprising an aqueous acid, a synthetic polymer, a metal crosslinking agent and lactic acid or a salt; crosslinking the synthetic polymer and metal crosslinking agent |
| 08/05/2004 | US20040152601 Generating Acid Downhole in Acid Fracturing |