| 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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| 08/16/2001 | EP0850287B1 Glycol based drilling fluid |
| 08/14/2001 | US6274756 From 2,4,6-trimethylnonanol |
| 08/14/2001 | US6273192 Method for strengthening a subterranean formation |
| 08/14/2001 | US6273191 Preparing a cement of hydraulic cement, water reducing, dispersing, compressive strength enhancing, set retarding and set accelerating additives and water; placing in an anulus between the casing string and well bore and allowing to set |
| 08/14/2001 | CA2155512C Application of n, n-dialkylamides to reduce precipitation of asphalt from crude oil |
| 08/09/2001 | US20010011516 Cosmetic, detergent additive |
| 08/09/2001 | CA2334521A1 Cementing casing strings in deep water offshore wells |
| 08/08/2001 | EP1023382A4 Composite proppant, composite filtration media and methods for making and using same |
| 08/08/2001 | CN1069339C Lubricat composition and method for controlling lubricity of fluid |
| 08/07/2001 | US6271409 Hydrocarbon gelling compositions useful in fracturing formations |
| 08/07/2001 | US6271181 Sealing subterranean zones |
| 08/07/2001 | US6270653 Method of controlling asphaltene precipitation in a fluid |
| 08/07/2001 | US6270565 Comprised of hydraulic/portland cement, water, an in situ foam generating additive and a water-wetting foam stabilizing sufactant |
| 08/07/2001 | US6269881 Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions |
| 08/07/2001 | CA2148061C Method for controlling fluid loss in high permeability formations |
| 08/02/2001 | WO2001055281A1 Inhibition of asphaltene deposition in crude oil production systems |
| 07/31/2001 | US6268406 Well cementing methods using compositions containing liquid polymeric additives |
| 07/31/2001 | US6268314 Crosslinked water soluble polymer |
| 07/31/2001 | US6267186 Spotting fluid and method of treating a stuck pipe |
| 07/31/2001 | CA2047697C Use of selected ester oils of low carboxylic acids in drilling fluids |
| 07/31/2001 | CA2009688C Monocarboxylic acid methylesters in invert drilling muds |
| 07/26/2001 | WO2001053429A1 Improved drilling fluids |
| 07/26/2001 | US20010009890 Invert emulsion drilling fluids and muds having negative alkalinity and elastomer compatibility |
| 07/26/2001 | US20010009889 Succinic anhydride-type modifier; aldehyde and/or pyruvic acid |
| 07/26/2001 | US20010009133 A hydraulic cement, an epoxy resin, a hardening agent, and water, introducing into the annulus between the pipe string and well bore, and allowing to set into a resilient impermeable solid mass |
| 07/25/2001 | EP0946788B1 Method for protecting metal surfaces against corrosion in liquid or gaseous media |
| 07/25/2001 | EP0727009B1 Well cleanout system and method |
| 07/25/2001 | CN1305563A Method for preventing deposits in oil extraction |
| 07/25/2001 | CN1305517A Borehole-fluid containing lubricating composition-method for verifying lubrication of lurehole fluid-application with respect to fluid with high pH |
| 07/24/2001 | US6265360 Compositions containing wax modifiers |
| 07/24/2001 | US6265355 Gel-breaker composition and a method for breaking a gel |
| 07/24/2001 | US6263967 Aqueous wash containing water and cationic salts of polyaminocarboxylic acids at neutral or acidic ph; safer health, low carrosion rates, flexible chemistry |
| 07/19/2001 | WO2001051767A2 Addition of solids to generate viscosity downhole |
| 07/19/2001 | US20010008929 Water-based fluid comprising acrylamide and branched styrene sulphonate copolymer; advantageous to well drilling and/or completion having high temperature (120 degrees celcius) |
| 07/19/2001 | US20010008876 Comprising an uintaite, a surfactant, a lignite, and a carbon black |
| 07/19/2001 | US20010008875 Viscosified aqueous chitosan-containing well drilling and servicing fluids |
| 07/18/2001 | EP1115960A1 Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition |
| 07/18/2001 | EP1115282A1 Particulate carrier for biocide formulations |
| 07/18/2001 | EP0836669B1 Use of a high purity imidazoline based amphoacetate surfactant as foaming agent in oil wells |
| 07/17/2001 | US6261998 Hydrocarbon base, acidified phosphate ester mixture, and trivalent metal compounds; fracturing fluid for subterranean formations |
| 07/17/2001 | US6261346 Method for protecting metal surfaces against corrosion in liquid or gaseous media |
| 07/17/2001 | US6260622 Apparatus and method of injecting treatment fluids into a formation surrounding an underground borehole |
| 07/17/2001 | US6260621 Forcing particles into oil or gas formation under pressure; mixing with fatty ester and lower alkyl glycol ether; cleaning |
| 07/17/2001 | US6260620 Mixing with fatty acid alkyl ester and lower alkyl glycol ether; agitation |
| 07/12/2001 | WO2001049971A1 Process for altering the relative permeability of a hydrocarbon-bearing formation |
| 07/12/2001 | WO2001049756A1 Inorganic deposit inhibitors, in particular in oil wells, particularly in high pressure/high temperature conditions |
| 07/12/2001 | WO2001049406A1 Rheology modified compositions and modification agents |
| 07/12/2001 | US20010007850 Fracturing subterranean formation |
| 07/12/2001 | US20010007351 Use of delayed release breakers in gelled hydrocarbons |
| 07/12/2001 | CA2395928A1 Process for altering the relative permeability of a hydrocarbon-bearing formation |
| 07/11/2001 | EP1114116A1 Aphron-containing well drilling and servicing fluids of enhanced stability |
| 07/11/2001 | EP1114115A1 Polysaccharide-containing well drilling and servicing fluids |
| 07/11/2001 | CN1303462A Encapsulated breakers, compositions and methods of use |
| 07/11/2001 | CN1068372C Hydrocarbon composition for removing alphaltenes in oil well and its use |
| 07/11/2001 | CN1068173C Biological pollution controlling method for oil field |
| 07/10/2001 | US6258859 Viscoelastic surfactant fluids and related methods of use |
| 07/10/2001 | US6258757 A sealant for sealing subteranean zone to prevent uncontrolled fluid flow comprised of an aqueous rubber latex, water, alkylquaternary ammonium bentonite clay, water, sodium carbonate and welan gum as biopolymer |
| 07/10/2001 | US6258756 Salt water drilling mud and method |
| 07/10/2001 | US6258755 Chitosan-containing well drilling and servicing fluids |
| 07/10/2001 | US6258258 Contacting acidic crude with excess of ammonia to form amide for decreasing acidity of start acidic crude oil |
| 07/10/2001 | US6257336 Well cementing method using HMHPG filtrate reducer |
| 07/10/2001 | US6257335 Stimulating fluid production from unconsolidated formations |
| 07/05/2001 | WO2001047844A1 Process for preventing polymeric fouling in the treatment of hydrocarbon streams containing olefins |
| 07/05/2001 | US20010006935 Lubricant, solvent and emulsifier composition and method of manufacture |
| 07/04/2001 | EP1112985A2 Settable oil and gas well fluid compositions |
| 07/04/2001 | EP0956428B1 Method for stabilizing the gas flow in water-bearing natural gas deposits or reservoirs |
| 07/04/2001 | EP0796384B1 Drilling process and device |
| 07/03/2001 | US6255256 Mixture of hydrocarbon and additives |
| 07/03/2001 | CA2006009C Drilling fluids and muds containing selected ester oils |
| 06/28/2001 | WO2001046553A1 Process for treating an oil well |
| 06/28/2001 | WO2001046552A1 Corrosion inhibitors for use in oil and gas wells and similar applications |
| 06/28/2001 | WO2001046096A1 Metathesis process for converting short chain olefins to longer chain olefins |
| 06/28/2001 | US20010005709 Comprising cross-linked starch having Brabender peak viscosity of from 800 to 1250 Brabender units after 40 to 70 minutes at 92 degrees C when subjected to a Brabender viscometer test |
| 06/28/2001 | US20010004936 Resilient well cement compositions and methods |
| 06/28/2001 | US20010004869 Supplementation of essentially amorphous cellulose nanofibrils with carboxycellulose which has a high degree of substitution |
| 06/27/2001 | EP1111024A1 Oil and oil invert emulsion drilling fluids with improved anti-settling properties |
| 06/27/2001 | EP1109875A1 Bromate/bromine filtercake removal fluid |
| 06/26/2001 | US6251838 Preparing water-soluble polymer solution, adjusting ph to 8.5 to 12.5, adding alkaline earth metal-free boron source suspended by organophilic clay in solution of nonaqueous solvent, then pumping into formation under pressure |
| 06/26/2001 | US6251837 Rheology control agents; used in drilling fluids, completion or workover fluids, fracturing, sweep fluids, or cement slurry |
| 06/26/2001 | US6251288 Methods of drilling a bore hole and dehydrating drilling fluids |
| 06/26/2001 | US6251179 Thermally conductive cementitious grout for geothermal heat pump systems |
| 06/23/2001 | CA2322094A1 Oil and oil invert emulsion drilling fluids with improved anti-settling properties |
| 06/20/2001 | EP0846193B1 Corrosion inhibition by ethoxylated fatty amine salts of maleated unsaturated acids |
| 06/20/2001 | CN1300313A Drilling fluids |
| 06/19/2001 | US6248849 Precipitation polymerization process for producing an oil adsorbent polymer capable of entrapping solid particles and liquids and the product thereof |
| 06/19/2001 | US6248838 Chain entanglement crosslinked proppants and related uses |
| 06/19/2001 | US6248700 Carboxylate-based well bore treatment fluids |
| 06/19/2001 | US6248699 Fluids for fracturing subterranean formations |
| 06/19/2001 | US6248698 Synergistic mineral blends for control of filtration and rheology in silicate drilling fluids |
| 06/19/2001 | US6247543 Shale hydration inhibition agent and method of use |
| 06/19/2001 | CA2289770C Oil recovery method using an emulsion |
| 06/14/2001 | WO2001042411A1 Compositions including ether-capped poly(oxyalkylated) alcohol surfactants |
| 06/14/2001 | WO2001042387A1 Acid based micro-emulsions |
| 06/14/2001 | WO2001041912A2 Ether-capped poly(oxyalkylated) alcohol surfactants |
| 06/14/2001 | WO2001041911A2 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants |
| 06/14/2001 | WO2001041909A1 Compositions including ether-capped poly(oxyalkylated) alcohol wetting agents |
| 06/14/2001 | US20010003315 Compositions for fracturing subterranean formations |
| 06/14/2001 | CA2392295A1 Compositions including ether-capped poly(oxyalkylated) alcohol surfactants |
| 06/14/2001 | CA2391995A1 Ether-capped poly(oxyalkylated) alcohol surfactants |
| 06/14/2001 | CA2391828A1 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants |