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)
04/2003
04/29/2003US6555505 Comprises aqueous solution of hydrochloric acid, air and/or nitrogen as the gas foaming agent, and hydrolyzed keratin for foaming and stabilization
04/29/2003US6554071 Encapsulated chemicals for use in controlled time release applications and methods
04/29/2003US6554070 Fluid sealing system comprising a particulate material and a bonding agent comprising an alcohol-acid suspension of nanoparticles
04/29/2003US6554069 Methods of removing water-based drilling fluids and compositions
04/24/2003WO2003033860A2 Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method
04/24/2003WO2002102917A3 Polymer solutions with shear reversible properties
04/24/2003US20030078306 Rheology modified compositions and modification agents
04/24/2003US20030078169 Thermal extenders for well fluid applications
04/24/2003US20030078168 Aqueous solvent, a surfactant and a polysaccharide derived from a galactomannan gum
04/24/2003US20030075360 Includes miscible combination of oleaginous fluid, an emulsifier capable of forming a microemulsion, an emulsifier capable of forming an invert emulsion, and an electrolytic salt; for electrically logging subterranean wells
04/24/2003US20030075332 Method and apparatus for providing a stream of pressurized substantially inert gas
04/24/2003US20030075331 Thermally stable, substantially water-free well fluid
04/24/2003US20030075318 In situ thermal processing of a coal formation using substantially parallel formed wellbores
04/24/2003CA2360036A1 Method and apparatus for providing a stream of pressurized substantially inert gas
04/23/2003CN1106345C Method for production of cesium salt
04/22/2003CA2242679C Apparatus, compositions, and methods of employing particulates as fracturing fluid compositions in subterranean formations
04/17/2003WO2003031534A1 Invert emulsion drilling fluid and process
04/17/2003WO2003031478A1 Plant hydrocolloids isolated from seeds of the plant family lamiaceae
04/17/2003WO2003031087A2 Method for land improvement and microorganisms therefor
04/17/2003US20030073585 Mixture of aqueous base, alkyl sarcosinate surfactant and buffer
04/17/2003US20030070843 Electrically conductive oil-based mud
04/17/2003US20030070807 In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids
04/17/2003US20030070805 Slotting near well zone to relieve stresses; materials handling
04/16/2003EP1301686A2 Combined liner and matrix system
04/16/2003EP1301576A2 Compositions for controlling scaling and completion fluids
04/16/2003EP0800562B1 Delayed breaking of gelled hydrocarbon fracturing fluid
04/15/2003US6548452 Weight material for drilling fluids and method of creating and maintaining the desired weight
04/15/2003US6547871 Foamed well cement slurries, additives and methods
04/15/2003CA2083784C Aqueous gellable composition containing an anti-syneresis agent
04/10/2003WO2003029812A1 Methods for characterising gas-tight cement slur ries
04/10/2003WO2003029613A1 Composition and method for treating a subterranean formation
04/10/2003WO2003029612A1 Method for the recovery of hydrocarbons from hydrates
04/10/2003WO2003006135A3 Suspensions of particles in non-aqueous solvents
04/10/2003WO2002040612A9 Stable liquid suspension compositions and method of making and use thereof
04/10/2003US20030069375 High-temperature and -pressure drilling fluids of a polymer based on vinylic sulfonic acids and/or salts, an unsaturated polybasic acid and a polyether or alkylene oxide adduct; thickeners; filtrate control; cement slurries
04/10/2003US20030069143 Process for treating an oil well
04/10/2003US20030069141 Water based fluids comprising multivalent salts and low molecular weight, low charge cationic polyacrylamide copolymers
04/10/2003US20030066644 In situ thermal processing of a coal formation using a relatively slow heating rate
04/10/2003US20030066642 In situ thermal processing of a coal formation producing a mixture with oxygenated hydrocarbons
04/10/2003US20030066460 Methods of cementing high temperature wells and cement compositions therefor
04/09/2003EP1300457A1 Method of increasing the low shear rate viscosity and shear thinning index of divalent cation-containing fluids and the fluids obtained thereby
04/09/2003EP1300185A1 Defoaming compositions
04/09/2003EP1299617A2 Sand consolidation with flexible gel systems
04/09/2003EP1044247B1 Water soluble invert emulsions
04/09/2003EP0854897B1 Improved oil-based drilling fluid
04/09/2003CN1409752A Oil production additive formulations
04/08/2003US6544934 Additive for breaking a gel of a hydrocarbon liquid and a ferric iron salt of a phosphonic acid ester, comprising a water soluble reducing agent for the ferric salt
04/08/2003US6544933 Drilling fluid
04/08/2003US6544932 Additives for inhibiting gas hydrate formation
04/08/2003US6543535 Process for stimulating microbial activity in a hydrocarbon-bearing, subterranean formation
04/08/2003CA2338510C Aphron-containing well drilling and servicing fluids of enhanced stability
04/08/2003CA2154950C Borate crosslinked fracturing fluid and method
04/08/2003CA2088697C Use of surface-active alkyl glycoside compounds in water- and oil-based drilling fluids and other drill-hole treatment agents
04/08/2003CA2051182C Product and process for acid diversion in the treatment of subterranean formations
04/08/2003CA2043970C Treating an underground formation
04/08/2003CA2024545C Emulsifier, invert emulsions made from this emulsifier and their use in well bores
04/03/2003WO2003027431A2 Method and materials for hydraulic fracturing of wells
04/03/2003WO2003027039A1 Gypsum wallboard composition, wallboard pane, and method of making same
04/03/2003WO2003012253A3 Method of controlling asphaltene precipitation in a fluid
04/03/2003US20030064898 Electron transfer agents in well acidizing compositions and methods
04/03/2003US20030064897 Method of formulating and using a drilling mud with fragile gels
04/03/2003US20030064044 For use in hair or skin care product, such as a shampoo, conditioner, shower gel, bar soap, styling product, or rinse, or a skin care product, such as a cleanser, lotion, or cream
04/03/2003US20030062316 Method and composition to decrease iron sulfide deposits in pipe lines
04/03/2003US20030062166 Method for acid stimulating a subterranean well formation for improving hydrocabon production
04/03/2003US20030062165 Consuming deposits using heat generated from reaction of alkali or alkaline earth metal and water; forming gel barrier with further reaction of active material with aluminum or scandium
04/03/2003US20030062164 In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids
04/03/2003US20030062162 Utilizing foam diversion in the well formation.
04/03/2003US20030062160 Methods and fluid compositions designed to cause tip screenouts
04/03/2003US20030062159 Hydrocarbon production process with decreasing steam and/or water/solvent ratio
04/03/2003US20030062154 In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore
04/02/2003EP1298432A1 Methods for characterising gas-tight cement slurries
04/02/2003EP1298282A2 Method and apparatus for acidizing a subterranean well formation
04/02/2003EP1298281A1 Acid stimulating with downhole foam mixing
04/02/2003EP0764061B1 Method for removing alkaline earth metal scale
04/02/2003CA2386315A1 Defoaming methods and compositions
04/01/2003US6541545 Grouting compositions
04/01/2003US6541210 Viruses; bacteriophage; Hepatitis B; Hepatitis C; autoimmune disease; use to immunize an organism with a peptide that mimics an antigen or pathogenic organism specific to a disease
04/01/2003CA2212905C Pumpable organophilic clay/polyamide compositions useful as rheological additives
04/01/2003CA2030489C Spacer fluids
03/2003
03/27/2003WO2003025340A1 Biodegradable chelant compositions for fracturing fluid
03/27/2003WO2003025086A1 Dry mix for water based drilling fluid
03/27/2003WO2003024886A1 Methods and ultra-low density sealing compositions for sealing pipe in well bores
03/27/2003WO2002038697A3 Shale hydration inhibition agent and method of use
03/27/2003US20030060375 Method of oil/gas well stimulation
03/27/2003US20030060374 Method and materials for hydraulic fracturing of wells
03/27/2003US20030060372 Composition for inhibition of metal corrosion
03/27/2003US20030057401 Inhibitor compositions
03/27/2003US20030056987 Mixing the substrate with a concentrated mineral acid under high shear conditions; mixing product with alkaline earth compounds, such as lime, under high shear conditions to vaporize the oil and recovering an oil-free product
03/27/2003CA2460441A1 Methods and ultra-low density sealing compositions for sealing pipe in well bores
03/26/2003EP1296019A1 Azimuth control of hydraulic vertical fractures in unconsolidated and weakly cemented soils and sediments
03/26/2003EP1294821A1 Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system
03/26/2003EP1294654A1 Cement comprising anisotropic polymer particles, cement paste, consolidated material, preparation and uses
03/26/2003EP1294476A1 Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials
03/26/2003EP1051452B1 Liquid compositions which reversibly viscosify or gel under the effect of shear
03/26/2003CN1406310A Foaming agents for use in coal seam reservoirs
03/26/2003CN1405264A Composition for washing oil-gas well, pipeline, sleeve pipe, stratum and equipments and using method thereof
03/26/2003CN1405221A Release-control composition
03/26/2003CN1103752C Cementing compositions and the use of such compositions for cementing oil wells or the like
03/25/2003US6537951 Fluid and method for releasing tubular elements stuck in a well
03/25/2003CA2100328C Method of microbial enhanced oil recovery
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