| 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) |
|---|
| 05/14/2008 | EP1461399B1 Improved internal breaker |
| 05/14/2008 | CN101177606A Salt-resistant oil displacement agent and uses thereof |
| 05/14/2008 | CN101177605A Insulating liquid film-builder and preparation method thereof |
| 05/14/2008 | CN100387679C Antifreezing type filtrate reducer and its preparation method |
| 05/14/2008 | CN100387678C Oil-layer blasthole plugging agent at low temperature |
| 05/14/2008 | CN100387677C Butting and going forward slurry in use for operation of pushing pipe |
| 05/14/2008 | CN100387676C High temperature high density isolation liquid |
| 05/13/2008 | US7373285 Application of phase behavior models in production allocation systems |
| 05/13/2008 | US7371316 Production of lower molecular weight hydrocarbons |
| 05/13/2008 | CA2118070C New, chemically crosslinked polyvinyl alcohol (pva), process for synthesizing same and its applications as a fluid loss control agent in oil fluids |
| 05/08/2008 | WO2008053222A1 Ultra low density cement compositions and methods of making same |
| 05/08/2008 | WO2008053156A1 Method of consolidating sand in a subterranean formation |
| 05/08/2008 | WO2008053147A1 Recovery of oil |
| 05/08/2008 | WO2008052759A1 Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids |
| 05/08/2008 | WO2008036812A3 Nano-sized particles for stabilizing viscoelastic surfactant fluids |
| 05/08/2008 | WO2008016662B1 Biocide for well stimulation and treatment fluids |
| 05/08/2008 | US20080108528 Methods to enhance the pneumatic handling characteristics of weighting agents |
| 05/08/2008 | US20080108527 Lubricants; drive fluid in enhanced oil recovery process; shear resistance |
| 05/08/2008 | US20080108526 Saponified Fatty Acids as Viscosity Modifiers for Viscoelastic Surfactant-Gelled Fluids |
| 05/08/2008 | US20080108525 Method and composition for forming protective precipitate on cement surfaces prior to formation acidizing treatment |
| 05/08/2008 | US20080108524 Delayed Water-Swelling Materials and Methods of Use |
| 05/08/2008 | US20080108523 Acid ammonium salts of an imide of polymaleic anhydride; hydraulic fracturing fluids used in enhanced oil recovery; subterranean formations |
| 05/08/2008 | US20080108522 Hydratable polysaccharides; well bore formations |
| 05/08/2008 | US20080108521 Oil well fracturing fluids |
| 05/08/2008 | US20080108520 Method of Plugging Fractured Formation |
| 05/08/2008 | US20080108519 Consolidation via alkali metal/alkaline earth metal bicarbonate; well bores |
| 05/08/2008 | US20080108518 Method of removing dispersed sulfur from sulfur-containing fluids |
| 05/08/2008 | US20080105429 Method Of Cementing Expandable Well Tubing |
| 05/08/2008 | US20080105428 Placing a slurry ofan alkaline earth metal oxide, a chloride or a phosphate salt, water, glass beads and a foaming agent or into a wellbore; and allowing the composition to set; displays a right angle set; rapidly develops compressive strength |
| 05/08/2008 | CA2668467A1 Recovery of oil |
| 05/08/2008 | CA2667833A1 Method of consolidating sand in a subterranean formation |
| 05/08/2008 | CA2667005A1 Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids |
| 05/07/2008 | EP1918348A1 Methods to enhance the pneumatic handling characteristics of weighting agents |
| 05/07/2008 | EP1918227A2 Transfer of finely ground weight material |
| 05/07/2008 | EP1917322A2 Rapid setting plugging compositions and methods for sealing subterranean formations |
| 05/07/2008 | CN101173166A Channeling-preventing agent for extra-low permeation oil accumuiation carbonic anhydride oil displacement and application thereof |
| 05/07/2008 | CN101173165A Oil well wax melting agent for oil field |
| 05/07/2008 | CN100386403C Braided comb-shaped thickener for salt-resistant polymer |
| 05/07/2008 | CN100386402C Alkyl benzene sulfonate composition and preparing method |
| 05/07/2008 | CN100386401C Water-soluble drag-reducing agent for oil well |
| 05/02/2008 | WO2008052015A2 Functional polymer for enhanced oil recovery |
| 05/02/2008 | WO2008050286A1 Degradable material assisted diversion |
| 05/02/2008 | WO2008050138A1 Method of remediating well bore drilling cuttings |
| 05/02/2008 | WO2008020388A3 Friction reduction fluids |
| 05/02/2008 | WO2008017338A3 Method of scale inhibition |
| 05/02/2008 | WO2007145734A3 Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud |
| 05/02/2008 | CA2667286A1 Functional polymer for enhanced oil recovery |
| 05/02/2008 | CA2667156A1 Degradable material assisted diversion |
| 05/01/2008 | US20080103248 Monomers may include acids, diacids, monoesterified diacids, anhydrides, nitriles, amides, and acrylated polyoxyalkylene glycols; extensively crosslinked water soluble thickeners for paints, varnishes, paper coatings, cosmetics, detergents, textiles, and drilling muds |
| 05/01/2008 | US20080103077 Drive fluid in an enhanced oil recovery operation to recover hydrocarbons from a subterranean reservoir; lubricants; resistant to shear forces; dispersion of water, crude oil or crude oil distillate and naphthenic acid |
| 05/01/2008 | US20080103070 Ortho ester breakers for viscoelastic surfactant gels and associated methods |
| 05/01/2008 | US20080103069 Hydrolyzes to produce an acid and an alcohol; allowing acid and/or the alcohol to interact with surfactant gel so as to reduce viscosity; orthoacetates, orthoformates, and orthopropionates; subterranean formations, oil wells, gas wells |
| 05/01/2008 | US20080103068 Crosslinker Suspension Compositions and Uses Thereof |
| 05/01/2008 | US20080103067 Hydrolyzate or precondensate of organosilane, hydrolyzable silane and metal compound; blended with proppant or infiltrated or injected into geological formation; cured under high pressure or high temperature; storage stability; methyltriethoxysilane, phenyltriethoxysilane and titanium tetraisopropoxide |
| 05/01/2008 | US20080103066 Use of mineral oils to reduce fluid loss for viscoelastic surfactant gelled fluids |
| 05/01/2008 | US20080103065 Treating a subterranean formation by providing a drilling mud comprising water, cement, and plurality of melt-processed inorganic fibers having a length of less than 10 millimeters and comprising basalt, wollastonite, or ceramic; circulating, cementing |
| 04/30/2008 | EP1675928B1 Emulsifiers for drilling fluids |
| 04/30/2008 | EP1534927B1 Process for treating a formation |
| 04/30/2008 | DE112006001597T5 Fluid für unterirdische Behandlungen, reibungsreduzierende Copolymere und zugehörige Verfahren Fluid for subterranean treatments, friction reducing copolymers and associated methods |
| 04/30/2008 | CN101171319A Method and composition for cleaning a well bore prior to cementing |
| 04/30/2008 | CN101171306A Method for making transportable aqueous slurries by particulate hydrophobicization |
| 04/30/2008 | CN101168660A High-density high-strength pressure crack proppant |
| 04/30/2008 | CN100384972C Use of charged amphiphilic statistic polymers for thickening phases comprising giant micelles of surfactants and aqueous compositions comprising same |
| 04/27/2008 | CA2608274A1 In-well method for improving hydrocarbon production and quality using an emulsion |
| 04/24/2008 | WO2008046554A1 Propylalkyl esters as oil phase in borehole treatment compositions |
| 04/24/2008 | US20080096774 Method of Treating Underground Formations or Cavities by Microgels |
| 04/24/2008 | US20080096773 In-situ solidification of invert emulsion fluids to form gas tight annular barrier |
| 04/24/2008 | US20080096772 Asphaltene Inhibition |
| 04/24/2008 | US20080093073 Degradable Material Assisted Diversion |
| 04/24/2008 | US20080093072 Method of improving solids separation efficiency |
| 04/23/2008 | EP1914288A1 Propylalkyl esters as oleaginous phase in well treatment fluids |
| 04/23/2008 | EP1913113A1 Process for the removal of filtercakes in oil wells |
| 04/23/2008 | EP1913111A2 The use of sized barite as a weighting agent for drilling fluids |
| 04/23/2008 | EP1639228B1 Method for stimulating an oilfield comprising using different scale-inhibitors |
| 04/23/2008 | CN101164920A Deep treatment and resource regeneration method for oil field extracted waste water |
| 04/23/2008 | CN100383215C New method for using diverting agent of benzoic acid |
| 04/23/2008 | CN100383214C Solidification method of rejected well drilling liquid |
| 04/22/2008 | US7361628 Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator |
| 04/22/2008 | US7360593 Product for coating wellbore screens |
| 04/22/2008 | CA2399906C Invert well service fluid and method |
| 04/17/2008 | WO2008045959A1 Hydrocarbon recovery using fluids |
| 04/17/2008 | WO2008045734A2 In situ fluid formation for cleaning oil-or synthetic-oil-based mud |
| 04/17/2008 | WO2008018966A3 A composition and method for making a proppant |
| 04/17/2008 | US20080087432 Friction Loss Reduction in Viscoelastic Surfactant Fracturing Fluids Using Low Molecular Weight Water-Soluble Polymers |
| 04/17/2008 | US20080087429 Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications |
| 04/17/2008 | CA2662933A1 In situ fluid formation for cleaning oil-or synthetic-oil-based mud |
| 04/16/2008 | EP1910495A1 Scale inhibiting well treatment |
| 04/16/2008 | EP1910494A2 Methods for high temperature lightweight cementing |
| 04/16/2008 | EP1910493A2 Organosulfonyl latent acids for petroleum well acidizing |
| 04/16/2008 | CN101161983A Method for improving cementing plugging effect |
| 04/16/2008 | CN101161762A Acid for corroding sandstone |
| 04/16/2008 | CN101161761A Oil field pipe plugging removal reagent |
| 04/16/2008 | CN101161760A Oil well cement-injection pad fluid admixture and preparation method |
| 04/16/2008 | CN100381385C Cement low temperature coagulant for oil well |
| 04/15/2008 | US7358215 Quaternary ammonium salts as thickening agents for aqueous systems |
| 04/15/2008 | CA2319092C Anionic surfactants based on alkene sulfonic acid |
| 04/15/2008 | CA2239864C Methods for improved rheological control in cementitious systems |
| 04/10/2008 | WO2008042317A1 Proppants with soluble composite coatings |
| 04/10/2008 | WO2008041013A1 Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treating a subterranean formation |
| 04/10/2008 | US20080085843 Well treating compositions containing water-superabsorbent polymers and method of using the same |