| 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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| 08/05/2004 | US20040148854 Acid-base method of forming a superabsorbent polymer product for use in agriculture |
| 08/05/2004 | CA2513547A1 Invertible well bore servicing fluid |
| 08/04/2004 | EP1443089A1 Acid diverting system containing quaternary amine |
| 08/04/2004 | EP1442198A1 Copolymers useful for gelling acids |
| 08/04/2004 | EP1442065A1 PLANT HYDROCOLLOIDS ISOLATED FROM SEEDS OF THE PLANT FAMILY i LAMIACEAE /i |
| 08/03/2004 | US6770604 High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods |
| 08/03/2004 | US6770603 Carbon black particles and one or more emulsifying surfactants of nonionic emulsifiers having specified hlb and anionic surfactants where counter-ion (cation) is any of alkali metal, ammonium, or hydrogen ions |
| 08/03/2004 | US6770602 For use in subterranean wells |
| 08/03/2004 | US6770601 Aphron-containing aqueous well drilling and servicing fluids |
| 08/03/2004 | US6769486 Cyclic solvent process for in-situ bitumen and heavy oil production |
| 08/03/2004 | US6769485 In situ production of synthesis gas from a coal formation through a heat source wellbore |
| 08/03/2004 | US6769483 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources |
| 08/03/2004 | CA2244656C Well treating fluids and methods |
| 08/03/2004 | CA2217627C Control of particulate flowback in subterranean wells |
| 08/03/2004 | CA2161024C Remove fines from a spent aqueous well treating fluid |
| 08/03/2004 | CA2088344C Drilling fluid additive and method for inhibiting hydration |
| 07/31/2004 | CA2455557A1 Acid diverting system containing quaternary amine |
| 07/29/2004 | WO2004063521A2 Annular fluids and methods of emplacing the same |
| 07/29/2004 | WO2004063305A2 Improved drilling fluids |
| 07/29/2004 | US20040147406 cement, water an isobutane or isopantane encapsulated with a polymer selected from polystyrene, polyvinylchloride, polyester, polyethylene, polypropylene, or nylon; cementing a wellbore |
| 07/29/2004 | US20040147405 silicon, aluminum, titanium, zirconium, tin, lithium, cerium, or vanadium-based aerogels; minimal damage to the payzone because of reuced volume of fluid invasion; bore hole can be cleaned without using acid |
| 07/29/2004 | US20040147404 Invertible well bore servicing fluid |
| 07/29/2004 | US20040147388 Extended particle size distribution ceramic fracturing proppant |
| 07/29/2004 | US20040144957 Corrosion inhibitor barrier for ferrous and non-ferrous metals |
| 07/29/2004 | US20040144542 Process for reducing the production of water in oil wells |
| 07/29/2004 | US20040144537 Mixing elastomer beads into cement befoe pumping mixture into well bore; heating to expand beads |
| 07/29/2004 | CA2518747A1 Improved drilling fluids |
| 07/28/2004 | EP1441104A1 Removing downhole filter cake |
| 07/28/2004 | EP1441020A1 composition of soil stabiliser |
| 07/28/2004 | CN1515492A Process for producing caesium compound |
| 07/28/2004 | CN1159407C Composition for washing oil-well, piepline, sleeve pipe, stratum and equipments and using method thereof |
| 07/28/2004 | CN1159252C Anti-flowing cement paste |
| 07/27/2004 | US6767869 Liquid carrier, a viscoelastic anionic surfactant, and an amphoteric polymer |
| 07/27/2004 | US6767868 Aqueous base fluid, hydratable polymer, transition metal crosslinker, and delayed release chelating agent that competes with the polymer for the transition metal crosslinker, reducing viscosity of the fluid |
| 07/27/2004 | US6767867 Methods of treating subterranean zones penetrated by well bores |
| 07/27/2004 | US6767857 Process for forming a Ziegler-Natta catalyst system having a controlled morphology |
| 07/27/2004 | US6767398 Cementitious compositions and cementitious slurries for permanently plugging abandoned wells and processes and methods therefor |
| 07/27/2004 | CA2288560C Control of particulate flowback in subterranean wells |
| 07/27/2004 | CA2234199C Borate cross-linked well treating fluids and methods |
| 07/22/2004 | WO2004061046A1 Aerogels effective to reduce drilling fluid density |
| 07/22/2004 | WO2003102086A3 Particulate material having multiple curable coatings and methods for making and using same |
| 07/22/2004 | WO2003093792A3 Compositions and methods for sealing formations |
| 07/22/2004 | US20040142826 Methods and compositions for forming subterranean fractures containing resilient proppant packs |
| 07/22/2004 | US20040140094 Methods of drilling and completing well bores |
| 07/21/2004 | EP1439195A2 Water soluble polymers with low content of residual monomers and their use |
| 07/21/2004 | EP1438481A2 Treating composition |
| 07/21/2004 | EP1438367A1 Additive for oil-based drilling fluids |
| 07/21/2004 | EP1438366A1 Drilling fluids |
| 07/21/2004 | CN1513797A Oil well cement slow coagulation agent |
| 07/20/2004 | US6764981 Contacting subterranean formation penetrated by wellbore with well treatment fluid comprising water, oxidized chitosan-based compound having specified water solubility and viscosity, and water-soluble compound having carbonyl groups |
| 07/20/2004 | US6764980 Coated products and use thereof in oil fields |
| 07/20/2004 | US6763888 Removal of a filter cake or biofilm; an ester and a polymer breaker selected from the group consisting of oxidants and enzyme breakers, such that the ester hydrolyses to produce an organic acid to dissolve acid soluble material present |
| 07/20/2004 | US6763886 In situ thermal processing of a coal formation with carbon dioxide sequestration |
| 07/20/2004 | CA2237546C Corrosion inhibited organic acid compositions and methods |
| 07/17/2004 | CA2455249A1 Crosslinking delaying agents for acid fluids |
| 07/15/2004 | WO2004059121A1 Biocidal control in recovery of oil by water injection |
| 07/15/2004 | WO2004020786A3 Fluid and method for the removal of filter cake fluid from a borehole |
| 07/15/2004 | US20040138071 Surfactant based viscoelastic fluids |
| 07/15/2004 | US20040138070 Mixture of water miscible solvent, flow control agent, crosslinking agents and crosslinking inhibitor; heat conductivity; mixing, acidification, crosslinking |
| 07/15/2004 | US20040138069 Mixture of polysaccharides, cellulose and pH controllers |
| 07/15/2004 | US20040138067 Drilling fluid additive system containing graphite and carrier |
| 07/15/2004 | US20040134657 Cement compositions useful in oil and gas wells |
| 07/15/2004 | CA2508930A1 Biocidal control in recovery of oil by water injection |
| 07/14/2004 | EP1436484A2 Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method |
| 07/14/2004 | EP1436102A2 Method for land improvement and microorganisms therefor |
| 07/14/2004 | EP0920484B1 Improved oil-based drilling fluid |
| 07/14/2004 | CN1512968A Corrosion inhibitor for aqueous systems |
| 07/13/2004 | US6762269 Acrylate endcapped butylene oxide-ethylene oxide copolymer and ethylenically unsaturated monomers |
| 07/13/2004 | US6762156 Reactive cement compositions for sealing hydrocarbon containing subterranean zones and methods |
| 07/13/2004 | US6762155 Sulfonated kraft lignin salt, n-methyl-n-oleyltaurine salt; well bore surfaces are left water-wet giving a very strong bond to hydraulic cement compositions |
| 07/13/2004 | US6762154 Viscoelastic surfactant fluids stable at high brine concentrations |
| 07/13/2004 | US6761220 Treatment of a well with an encapsulated liquid and process for encapsulating a liquid |
| 07/13/2004 | US6761216 Pyrolysis temperature |
| 07/13/2004 | CA2327744C A foam drive method |
| 07/08/2004 | WO2004057155A1 Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| 07/08/2004 | WO2004057150A1 Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation |
| 07/08/2004 | WO2004042190A3 Vinyllactam copolymers used as gas hydrate inhibitors |
| 07/08/2004 | WO2004038164A3 Remediation treatment of sustained casing pressures (scp) in wells with top down surface injection of fluids and additives |
| 07/08/2004 | US20040132626 Hydrocarbon exploitation includes biopolymer derived fromMusaceae; filter cake toughness |
| 07/08/2004 | US20040132625 Deformable polymer latex comprising particles that precipitate onto pores of subterranean sand formation; aqueous continuous phase;hydrocarbon base fluid; and emulsifier |
| 07/08/2004 | US20040129923 traceable proppant composition for treating subterranean formation having multiple zones penetrated by well bore comprising particulate material and tracking material selected from metals, metal salts of organic acids, phosphorescent pigments, dyes |
| 07/08/2004 | US20040129459 Fluid loss reducer for high temperature high pressure water based-mud application |
| 07/08/2004 | CA2510239A1 Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation |
| 07/07/2004 | EP1435428A2 Plugging depleted downhole sands |
| 07/07/2004 | EP1434927A1 Composition and method for treating a subterranean formation |
| 07/06/2004 | US6758270 Method of microbial enhanced oil recovery |
| 07/06/2004 | US6758268 Heat exchanging, pyrolysis; monitoring temperature |
| 07/06/2004 | CA2287473C Cementitious compositions and methods for use in subterranean wells |
| 07/01/2004 | WO2004055321A1 Methods of cementing high temperature wells and cement compositions therefor |
| 07/01/2004 | WO2004040333A3 Ester-containing downhole drilling lubricating composition and processes therefor and therewith |
| 07/01/2004 | US20040127368 A suspensions contains uintaite in liquidy carrier; polyoxypropylene glycol, ethylene oxide adduct, polyoxybutylene glycol, polyoxyethylene glycol, or polyesterether copolymer; lubrication, plugging |
| 07/01/2004 | US20040127367 Polyols for breaking of fracturing fluid |
| 07/01/2004 | US20040127366 A wellbore fluid comprising oil additives, solid colloidal particles coated with a dispersant, barite coated with acrylate polymer of stearyl methacrylate, butylacrylate and acrylic acid; suspension stability without increase viscosity; drilling |
| 07/01/2004 | US20040124014 Drill cutting treatment method and apparatus |
| 07/01/2004 | US20040124013 Drilling fluid, apparatus, and method |
| 07/01/2004 | US20040123985 Method for drilling depleted sands with minimal drilling fluid loss |
| 06/30/2004 | EP1432776A1 Method for reducing borehole erosion in shale formations |
| 06/30/2004 | EP1382657A9 Thickener for excavating slurry, excavating slurry using the thickener, and cast-inplace underground pile work method and underground continuous wall work method using the excavating slurry |
| 06/30/2004 | EP0871685B1 Preparation of hydrocarbon gels from ferric sources, polycarboxylic acid compounds, and optional amines, in combination with phosphate esters |
| 06/30/2004 | EP0866842B1 Drilling fluid loss prevention and lubrication additive |