| 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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| 05/16/2006 | CA2192348C Delayed acid for gel breaking |
| 05/11/2006 | WO2006048614A1 Methods and compositions for breaking viscosified fluids |
| 05/11/2006 | WO2006030386A3 Solid sandstone dissolver |
| 05/11/2006 | WO2006030385A3 Dry blend fracturing fluid additives |
| 05/11/2006 | US20060100109 Reducing the loss of fluid out of a subterranean well by injecting an aqueous well bore fluid containing an addition oligomeric or polymeric surfactant that has a thermally stable hydrophobic backbone and pendent hydrophilic viscoelastic surfactant functional groups; zwitterionic polymers |
| 05/11/2006 | US20060096758 Method of treating an oil or gas well with biodegradable low toxicity fluid system |
| 05/10/2006 | EP1654439A1 Methods of treating subterranean zones and viscous aqueous fluids containing xanthan and a combination crosslinker - breaker |
| 05/10/2006 | EP1654337A1 Borehole treating substance containing ether carboxylic acids |
| 05/10/2006 | EP1534798B1 Drilling fluid containing microspheres and use thereof |
| 05/10/2006 | EP1339943B1 Well sealing method and apparatus |
| 05/10/2006 | CN1769365A Oil extraction microbial conenoses nutrient solution |
| 05/10/2006 | CN1255505C Stable liquid suspension compositions and method of making and use thereof |
| 05/09/2006 | US7041707 Polyesterether copolymer, where in anionic diacid monomer or diester monomer selected from dimethyl 5-sulfoisophthalate, sulfosuccinic acid, 4-sulfophthalic acid, sulfonaphthalic acid, salts and anhydrides; applied to crude oil processes |
| 05/09/2006 | US7040419 preparing cement composition comprising hydraulic cement, sufficient water to form a slurry, and a mixture of foaming and foam stabilizing surfactants; method prepares compressed air with an oxygen content less than an amount necessary to support combustion of hydrocarbons as foaming agent |
| 05/09/2006 | US7040405 Permeable cement composition and method for preparing the same |
| 05/09/2006 | US7040404 Using polymer; well completion |
| 05/09/2006 | US7040403 Methods for controlling migration of particulates in a subterranean formation |
| 05/09/2006 | CA2366355C Method of cleaning a well bore prior to installing a water based fluid system |
| 05/09/2006 | CA2197005C Process for inhibiting or delaying hydrates formation, growth and/or agglomeration |
| 05/04/2006 | WO2006047745A1 Asphaltene inhibition |
| 05/04/2006 | WO2006045998A2 Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 05/04/2006 | WO2005112580A3 System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
| 05/04/2006 | WO2005100007A3 Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids |
| 05/04/2006 | WO2005098199A3 Clay stabilization in sub-surface formations |
| 05/04/2006 | US20060094604 Method and biodegradable super absorbent composition for preventing or treating lost circulation |
| 05/04/2006 | CA2584787A1 Asphaltene inhibition |
| 05/03/2006 | CN1766030A Positive electricity water-base pipe-freeing concentrate and its preparation method |
| 05/02/2006 | US7037881 Stabilized colloidal and colloidal-like systems |
| 05/02/2006 | US7036597 Placing an uncrosslinked first fluid of carbon dioxide, i nto a subterranean formation at a pressure sufficient to create and extend a fracture therein, placing gravel and crosslinked guars as second fluid, depressurization causes remixing of both fluids, lowers pH of 2nd fluid causing lower viscosity |
| 05/02/2006 | US7036592 High strength particles and methods of their use in subterranean operations |
| 05/02/2006 | US7036591 Low density proppant |
| 05/02/2006 | US7036590 Two stage subterranean zone fracturing fluids and methods |
| 05/02/2006 | US7036589 Methods for fracturing stimulation |
| 05/02/2006 | US7036588 Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
| 05/02/2006 | US7036587 Methods of diverting treating fluids in subterranean zones and degradable diverting materials |
| 05/02/2006 | US7036586 Methods of cementing in subterranean formations using crack resistant cement compositions |
| 05/02/2006 | US7036585 Aqueous viscoelastic fluid |
| 05/02/2006 | US7036583 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
| 04/27/2006 | WO2006043022A1 Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations |
| 04/27/2006 | WO2005121501A3 Aqueous tackifier and methods of controlling particulates |
| 04/27/2006 | WO2005113933A3 Filter cake degradation compositions and associated methods |
| 04/27/2006 | US20060089266 Methods of stabilizing surfaces of subterranean formations |
| 04/27/2006 | US20060089265 networking agent comprises a boronic acid group capable of crosslinking a polysaccharide or polymeric gelling agent; viscosified treatment fluid useful for treating a portion of a subterranean formation |
| 04/27/2006 | DE102004051280A1 Verwendung von ethoxylierten Amidoaminen als Emulgatoren in Bohrspülungen Use of ethoxylated amidoamines as emulsifiers in drilling fluids |
| 04/26/2006 | EP1649136A1 System for sealing a space in a wellbore |
| 04/26/2006 | CN1763148A Acid gelling agent with timely tackifying capability and preparation process thereof |
| 04/26/2006 | CN1253648C Thickened oil steam production synergist and its preparing method |
| 04/26/2006 | CN1253497C Preparation process of slow cross-linking agent for polyacrylamide gel |
| 04/25/2006 | US7033977 Mixture of hollow particles in fluid; well completion |
| 04/25/2006 | US7033976 Fluid system additive |
| 04/25/2006 | US7033975 Recovering hydrocarbon from a permeable formation by injecting a fluid, foaming only under pressure; controlling the fluid flow, removing debris from a well |
| 04/25/2006 | US7032670 Dehydration water from oil well; applying magnetism to adjust viscosity; sealing porous strate; drilling |
| 04/25/2006 | US7032669 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
| 04/25/2006 | US7032667 Methods for enhancing the consolidation strength of resin coated particulates |
| 04/25/2006 | US7032664 Nanocomposite particulates and methods of using nanocomposite particulates |
| 04/25/2006 | US7032663 Permeable cement and sand control methods utilizing permeable cement in subterranean well bores |
| 04/25/2006 | CA2178707C Cementing compositions and the application of such compositions to cementing oil or analogous wells |
| 04/25/2006 | CA2142625C Oil and gas well operation fluid used for the solvation of waxes and asphaltenes, and method of use thereof |
| 04/20/2006 | WO2006041898A2 Shale hydration inhibition agent and method of use |
| 04/20/2006 | WO2006041822A2 Shale hydration inhibition agent and method of use |
| 04/20/2006 | WO2006040578A1 Lost circulation additive for drilling fluids |
| 04/20/2006 | WO2006040513A1 Cement compositions comprising aromatic sulfonated polymers and methods of using the same |
| 04/20/2006 | WO2006040507A1 Methods of cementing in subterranean formations |
| 04/20/2006 | WO2006040013A1 Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity |
| 04/20/2006 | WO2005110942A3 Adaptive cementitious composites for well completions |
| 04/20/2006 | US20060084581 Solids-stabilized oil-in-water emulsion and a method for preparing same |
| 04/20/2006 | US20060084579 Viscoelastic surfactant mixtures |
| 04/20/2006 | CA2581360A1 Lost circulation additive for drilling fluids |
| 04/19/2006 | EP1646701A2 Improved drilling fluids |
| 04/19/2006 | CN1760320A New typed high temperature acidified corrosion inhibitor and preparation method |
| 04/19/2006 | CN1760319A Cleanup additive in use for acidification in high temperature |
| 04/19/2006 | CN1760318A High performance sludge inhibitor |
| 04/19/2006 | CN1760317A Micelle agent in use for acidification of oil field |
| 04/19/2006 | CN1760316A New type high temperature acidified diverting agent and preparation method |
| 04/19/2006 | CN1760315A New method for using diverting agent of benzoic acid |
| 04/19/2006 | CN1760314A High temperature acidified mutual solvent |
| 04/19/2006 | CN1760313A High temperature proof acid-in-oil emulsion in low friction resistance |
| 04/19/2006 | CN1760312A Water shut-off material of plant for oil field |
| 04/19/2006 | CN1760311A Method of application of poly asparagic acid in lowering viscidity in oil field |
| 04/19/2006 | CN1252213C Microemulsion oil-displacing agent |
| 04/19/2006 | CN1252212C Emulsifier with oil base for drilling well liquid |
| 04/18/2006 | US7030064 Bentonite nodules |
| 04/18/2006 | US7028776 Methods for the inhibition of salt blockages in oil and gas wells |
| 04/18/2006 | US7028775 A viscous diverting fluid made with a gelling amount of an amidoamine oxide surfactant and an acid is injected before main treatment(hydraulic/ acid fracturing and matrix acidizing); after the treatment acid decomposes the surfactant which alleviates potential of carrier fluids to damage formations |
| 04/18/2006 | US7028774 Applying a preflush solution of an aqueous liquid and a water-resistant polymer, surfactant, low viscosity consolidating fluid and afterflush fluid to the subterranean formation |
| 04/18/2006 | US7028771 Hydrocarbon recovery |
| 04/18/2006 | CA2389760C Composition and process for oil extraction |
| 04/13/2006 | WO2006039194A2 Fast hydrating guar powder, method of preparation, and methods of use |
| 04/13/2006 | WO2006038016A1 Process for treating an underground formation |
| 04/13/2006 | WO2005073278A3 Consolidation agents and the use thereof for consolidating moulded bodies and geological formations consisting of porous or particulate materials |
| 04/13/2006 | US20060079431 Adducts of thiols with glycidyl ethers; to reduce surface tension in water-based systems; foaming performance; coatings, inks, adhesives, fountain solutions for lithographic printing, cleaning formulation, metalworking fluids, agricultural formulations, electronics cleaning and semiconductor, detergents |
| 04/13/2006 | US20060079408 A hardenable slurry containing an additive contains diatomaceous earth, finely divided paper as a suspending agent, lime, micronized cellulose papper as loss control material, sodium silicate, and sulfate; A drillable plug in a well bore adjacent to a plugged thief zone is formed by setting up the slurry |
| 04/13/2006 | US20060079407 Invertible well bore servicing fluid |
| 04/13/2006 | US20060079406 Mixture containing water soluble polymer and flow contorl agents |
| 04/13/2006 | US20060079405 Well drilling and servicing fluids with magnesia bridging solids and methods of drilling, completing and working over a well therewith |
| 04/13/2006 | CA2624791A1 A process for consolidating a formation |
| 04/12/2006 | EP1645609A2 Foam cement slurry |
| 04/12/2006 | EP1644611A1 Hydraulic fracturing method |
| 04/12/2006 | EP1190157B1 Reduction in mineral salt deposition |
| 04/12/2006 | CN1759076A Flexible cementing compositions and methods for high-temperature wells |