| 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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| 04/12/2006 | CN1757700A Formulations useful as asphaltene dispersants in petroleum products |
| 04/12/2006 | CN1757697A Seal stoppage agent for oil-well |
| 04/12/2006 | CN1757622A 2-hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents |
| 04/11/2006 | US7026272 Methods and compositions for sealing oil containing subterranean zones |
| 04/11/2006 | CA2277052C Method of controlling asphaltene precipitation in a fluid |
| 04/06/2006 | WO2006035200A1 Zeolite compositions for lowering maximum cementing temperature |
| 04/06/2006 | WO2005073507A3 Compositions and methods for the delivery of chemical components in subterranean well bores |
| 04/06/2006 | WO2005071219A3 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
| 04/06/2006 | US20060073988 Fast hydrating guar powder, method of preparation, and methods of use |
| 04/06/2006 | US20060073987 Reducing the viscosity of oil-based drilling fluids and well service fluids at low temperatures by adding an ethylene oxide-1,3-propylene oxide-1,4-butylene oxide adduct monoetherified with a linear or branched long-chain alcohol during drilling |
| 04/06/2006 | US20060073986 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |
| 04/06/2006 | US20060073985 Shale hydration inhibition agent and method of use |
| 04/06/2006 | US20060073984 Shale hydration inhibition agent and method of use |
| 04/06/2006 | US20060073983 A weighting agent selected from barite, calcite, hematite, iron oxide, calcium carbonate, organic and inorganic salts; and an antiswelling mixture of aminoalkylcyclohexylamines and aminoarylcyclohexlamines in fresh or sea water well bores |
| 04/06/2006 | US20060073982 Shale hydration inhibition agent and method of use |
| 04/06/2006 | US20060073981 Methods of preparing non-aqueous fluids suitable for use in wellbore servicing fluids |
| 04/06/2006 | US20060073980 Well treating composition containing relatively lightweight proppant and acid |
| 04/06/2006 | US20060070736 Mixing water, oil, micron to sub-micron sized hydrophilic solid particles and a pH enhancing agent; and transporting through pipe; enhanced oil recovery |
| 04/05/2006 | EP1414742B1 Method for decomposing hydrogen peroxide under pressure and device for heating an equipment |
| 04/05/2006 | EP1257610B1 Shale hydration inhibition agent and method of use |
| 04/05/2006 | CN1756894A Method and composition for injection at a tunnel boring machine |
| 04/05/2006 | CN1756892A Propped fracture with high effective surface area |
| 04/05/2006 | CN1754940A Accessory ingredient for viscous crude oil exploitation, its preparation and application |
| 04/05/2006 | CN1754939A Solubilization thinner |
| 04/05/2006 | CN1754938A Biological viscosity reducing agent for kelps and production method thereof |
| 04/04/2006 | US7022652 Compositions and methods for treating subterranean formations |
| 04/04/2006 | US7021406 Method of drilling with magnetorheological fluid |
| 04/04/2006 | US7021383 reacting water, formate ester and optional additive to form an acid which reacts with the formation to increase the permeability in that region; allows for deep pumping within the formation and away from the well-bore area |
| 04/04/2006 | US7021380 cementing in a subterranean wells; a portland cement, water and a set retarder of acrylamide polymer derivative and an iron compound; delaying set time of cement |
| 04/04/2006 | US7021379 Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures |
| 04/04/2006 | US7021378 Method for enhancing the retention efficiency of treatment chemicals in subterranean formations |
| 04/04/2006 | US7021377 Methods of removing filter cake from well producing zones |
| 04/04/2006 | CA2230508C Process to enhance removal of adhering solids from the surface of wellbores and sand control devices therein |
| 03/30/2006 | WO2006034101A1 Polymeric quaternary ammonium salts useful as corrosion inhibitors and biocides |
| 03/30/2006 | WO2006032841A1 Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications |
| 03/30/2006 | WO2006032833A1 Methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 03/30/2006 | WO2005123871A3 Formation consolidation process |
| 03/30/2006 | WO2005121505A3 Aqueous-based tackifier fluids and methods of use |
| 03/30/2006 | US20060068994 Fast hydrating guar powder, method of preparation, and methods of use |
| 03/30/2006 | US20060065396 Compositions containing water control treatments and formation damage control additives, and methods for their use |
| 03/30/2006 | CA2592447A1 Polymeric quaternary ammonium salts useful as corrosion inhibitors and biocides |
| 03/30/2006 | CA2499699A1 Method and apparatus for stimulating a subterranean formation using liquefied natural gas |
| 03/29/2006 | EP1639231A1 Methods and compositions for breaking viscosified fluids |
| 03/29/2006 | EP1639228A2 Method for stimulating an oilfield comprising using different scale-inhibitors |
| 03/29/2006 | CN1753846A Extended particle size distribution ceramic fracturing proppant |
| 03/29/2006 | CN1752175A Oil well acidification composition |
| 03/29/2006 | CN1752174A Acidification composition for oil well |
| 03/29/2006 | CN1752173A Composition of clean fracturing fluid additives and method for fracturing stratum |
| 03/29/2006 | CN1752172A Process for preparing inorganic filler type water absorption resin by underground polymerization |
| 03/29/2006 | CN1752171A Process for preparing high water absorption resin by underground polymerization |
| 03/29/2006 | CN1247735C Ternary polymer oil-displacing agent, and its preparing method and use |
| 03/29/2006 | CN1247734C Method of blocking removing of oil field by chlorine dioxide blocking remover |
| 03/29/2006 | CN1247733C Potassium-calcium composite ion inhibitor for well drilling liquid |
| 03/29/2006 | CN1247633C Terpolymer pour point reducer and its prepn |
| 03/28/2006 | US7018956 Fracturing fluids |
| 03/28/2006 | US7018955 Prevention fluid loss using plant extracts and alkyl glycoside; antiswelling agent |
| 03/28/2006 | US7017665 Strengthening near well bore subterranean formations |
| 03/28/2006 | US7017661 Production of synthesis gas from a coal formation |
| 03/28/2006 | CA2219327C Method for inhibiting the plugging of conduits by gas hydrates |
| 03/23/2006 | WO2006030397A2 Differential etching in acid fracturing |
| 03/23/2006 | WO2006030386A2 Solid sandstone dissolver |
| 03/23/2006 | WO2006030364A1 Fiber laden energized fluids and methods of use thereof |
| 03/23/2006 | WO2006030184A1 Subterranean fluids having improved environmental characteristics and methods of using these fluids in subterranean formations |
| 03/23/2006 | US20060060527 Petrol-biochemical method for the treatment and prevention of oil-in-water and water-in-oil emulsions in oil-wells and surface equipment |
| 03/23/2006 | US20060060350 Method for the treatment and prevention of asphaltene-paraffin-vax precipitates in oil-wells, wellheads and pipelines by the use of biocolloid suspensions |
| 03/23/2006 | CA2577884A1 Differential etching in acid fracturing |
| 03/23/2006 | CA2577874A1 Selective fracture face dissolution |
| 03/23/2006 | CA2577605A1 Dry blend fracturing fluid additives |
| 03/23/2006 | CA2576418A1 Fiber laden energized fluids and methods of use thereof |
| 03/22/2006 | EP1636154A1 Process for the production of a well fluids base oil via metathesis of alpha-olefins |
| 03/22/2006 | EP1636142A2 Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation |
| 03/22/2006 | EP1165936B1 Novel fluids and techniques for maximizing fracture fluid clean-up |
| 03/22/2006 | CN1749350A Cation emulsion asphalt anti-collapse agent for well drilling fluid and its producing method |
| 03/22/2006 | CN1246076C Free-flowing products comprising potassium formate |
| 03/21/2006 | US7013995 Compositions and processes for treating subterranean formations |
| 03/21/2006 | US7013976 Compositions and methods for consolidating unconsolidated subterranean formations |
| 03/21/2006 | US7013974 Methods of treating subterranean zones using gelled aqueous treating fluids containing environmentally benign sequestering agents |
| 03/21/2006 | US7013973 Method of completing poorly consolidated formations |
| 03/21/2006 | CA2415814C Methods of consolidating proppant in subterranean fractures |
| 03/16/2006 | WO2006029019A2 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |
| 03/16/2006 | US20060058502 Application directly to the soil resulted in earlier seed germination and/or blooming, decreased irrigation requirements, increased propagation, increased crop growth, increased crop production, and decreased soil crusting |
| 03/16/2006 | US20060058449 Vinyllactam copolymers used as gas hydrate inhibitors |
| 03/16/2006 | US20060058199 Oil recovery composition and method using arylalkyl sulfonate surfactants derived from broad distribution aplha-olefins |
| 03/16/2006 | US20060058198 Dry blend fracturing fluid additives |
| 03/16/2006 | US20060058197 Selective fracture face dissolution |
| 03/16/2006 | US20060058173 Mixing presintered kaolin and bauxite with free quartz; jointly sintering to produce a charging material; granulating, drying and screening the charging material, sintering in the rotational furnace and screening the sintered granules; refractory propping agents |
| 03/16/2006 | US20060054359 Method of decreasing the disintegration of shale-containing cuttings and drilling fluid therefor |
| 03/15/2006 | EP1634938A1 Viscoelastic fluids for oilfield uses |
| 03/15/2006 | EP1633953A1 Substances to stimulate the extraction of crude oil and a method of processing them |
| 03/15/2006 | EP1633952A1 Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations |
| 03/15/2006 | CN1245433C Lissapol N(methyl) propenoic acid ester and its preparation and use |
| 03/14/2006 | US7012044 Oil and gas recovery from subterranean formations |
| 03/14/2006 | US7012043 Antiswelling agent a polyether amine comprising ethylene glycol and propylene glycol, for reducing clay swelling when mixing with water; copolymers of polyamine and polyoxyethylene glycol |
| 03/14/2006 | US7011154 In situ recovery from a kerogen and liquid hydrocarbon containing formation |
| 03/14/2006 | CA2318562C Conductive medium for openhole logging and logging while drilling |
| 03/14/2006 | CA2317004C Dispersant and fluid loss control additives for well cements, well cement compositions and methods |
| 03/14/2006 | CA2120224C Polyurethane thickener compositions and their use for thickening aqueous systems |
| 03/09/2006 | WO2006026732A1 Chemical system for improved oil recovery |
| 03/09/2006 | WO2006025521A1 Internal-olefin composition and base oil comprising the composition for oil drilling |
| 03/09/2006 | WO2006024995A1 Methods for controlling fluid loss |