| 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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| 03/03/2009 | CA2553897C Methods of cementing in subterranean formations using crack resistant cement compositions |
| 03/03/2009 | CA2531216C Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures |
| 02/26/2009 | WO2009026484A1 Method for enhanced recovery of oil from oil reservoirs |
| 02/26/2009 | WO2009026349A1 Hydrocolloid gum compositions, methods of forming the same, and products formed therefrom |
| 02/26/2009 | WO2009007325A3 Low-density composite |
| 02/26/2009 | WO2008110798A3 Improved aqueous-based insulating fluids and related methods |
| 02/26/2009 | US20090054273 Crosslinking composition for fracturing fluids |
| 02/26/2009 | US20090054272 Emulsifier containing thermally exfoliated graphite oxide |
| 02/26/2009 | US20090054271 Glycerol polycarbonate, organic compositions containing same and method for obtaining said compositions |
| 02/26/2009 | US20090054270 Hydrocolloid gum compositions, methods of forming the same, and products formed therefrom |
| 02/26/2009 | US20090054269 Methods and Compositions Utilizing Lost-Circulation Materials Comprising Composite Particulates |
| 02/26/2009 | US20090054268 Use of substituted polyethyleneimines as gas hydrate inhibitors with improved biodegradability |
| 02/26/2009 | US20090050331 Method For Enhanced Recovery Of Oil From Oil Reservoirs |
| 02/26/2009 | US20090050325 Enzyme enhanced oil recovery (EEOR) for near wellboretreatment of oil and gas with greater than 50% barrel of oil equivalent (BOE) gas production |
| 02/26/2009 | CA2692868A1 Method for enhanced recovery of oil from oil reservoirs |
| 02/25/2009 | EP2028247A1 Use of 1-alkyl-5-oxo-pyrrolidine-3-carbolic acid esters as gas hydrate inhibitors with improved biological degradability |
| 02/25/2009 | EP2028246A1 Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations |
| 02/25/2009 | EP2027361A1 Process for coating gravel pack sand with polymeric breaker |
| 02/25/2009 | EP2027229A2 Silicone-tackifier matrixes and methods of use thereof |
| 02/25/2009 | EP2027228A1 Non aqueous gel for wellbore strenghthening |
| 02/25/2009 | EP2027227A1 Hydrophobically modified fluid loss additives and viscosifier products |
| 02/25/2009 | EP2027226A1 Surfactant materials and coatings for weighting agents for use in oil based drilling fluids |
| 02/25/2009 | CN101374923A Scale inhibiting well treatment |
| 02/25/2009 | CN101374874A Geosynthetic composite for borehole strengthening |
| 02/25/2009 | CN101372515A Polymer and use thereof |
| 02/24/2009 | US7494958 Shale hydration inhibition agent and method of use |
| 02/24/2009 | US7494957 Energized fluids and methods of use thereof |
| 02/24/2009 | US7494544 Polymer shell encapsulated gas as a cement expansion additive |
| 02/24/2009 | US7493968 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 |
| 02/24/2009 | US7493965 Apparatuses and methods relating to cooling a subterranean drill bit and/or at least one cutting element during use |
| 02/24/2009 | US7493955 Well treating compositions for slow release of treatment agents and methods of using the same |
| 02/20/2009 | CA2802841A1 Crosslinking composition for fracturing fluids |
| 02/20/2009 | CA2598147A1 Crosslinking composition for fracturing fluids |
| 02/19/2009 | WO2009022332A1 A liquid composition suitable for use as a corrosion inhibitor and method for its preparation |
| 02/19/2009 | WO2009022107A1 Acidic treatment fluids comprising xanthan and associated methods |
| 02/19/2009 | WO2009022106A1 Treatment fluids comprising clarified xanthan and associated methods |
| 02/19/2009 | US20090048126 Method of Treating Formation With Polymer Fluids |
| 02/19/2009 | US20090044941 Spherical Ceramic Proppant for Hydraulic Fracturing of Oil or Gas Wells, and a Process for Forming Cavities in the Surface of Spherical Ceramic Proppants |
| 02/19/2009 | DE102007037017A1 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureester mit verbesserter biologischer Abbaubarkeit 1-alkyl-5-oxo-pyrrolidine-3-carboxylic acid ester having improved biodegradability |
| 02/19/2009 | DE102007037016A1 Verwendung von 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureestern als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit Use of 1-alkyl-5-oxo-pyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability |
| 02/19/2009 | CA2694151A1 Treatment fluids comprising clarified xanthan and associated methods |
| 02/18/2009 | EP2025732A1 Self-repairing isolation systems |
| 02/18/2009 | EP2024602A1 Energized fluid for generating self-cleaning filter cake |
| 02/18/2009 | EP2024464A1 Improved acidic treatment fluids and associated methods |
| 02/18/2009 | EP2024463A1 Compositions and methods for removal of asphaltenes from a portion of a wellbore or subterranean formation using water-organic solvent emulsion with non-polar and polar organic solvents |
| 02/18/2009 | EP2024462A1 Compositions and methods for removal of asphaltenes from a portion of a wellbore or subterranean formation |
| 02/18/2009 | EP2024461A1 Self-hydrating, self-crosslinking guar compositions and methods |
| 02/18/2009 | EP2024460A1 Downhole servicing compositions having high thermal conductivities and methods of using the same |
| 02/18/2009 | EP2024459A1 Method and apparatus for removing cuttings in high-angle wells |
| 02/18/2009 | CN101370902A Methods of consolidating unconsolidated particulates in subterranean formations |
| 02/18/2009 | CN101370901A Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties |
| 02/18/2009 | CN101368091A Oil well cement inhibiting agent |
| 02/18/2009 | CN101368090A Process for preparing silicon-fluorine high temperature resistant thinner dry powder for drilling fluids |
| 02/18/2009 | CN101367897A Synthesis of modified styrene butadiene rubber latex special for well cementing cement paste for oil-gas field |
| 02/17/2009 | US7491682 Method of inhibiting or controlling formation of inorganic scales |
| 02/17/2009 | US7491681 Viscous oleaginous fluids and methods of drilling and servicing wells therewith |
| 02/17/2009 | CA2553020C Additive for viscoelastic fluid |
| 02/17/2009 | CA2428096C Polymeric fluid loss additives and method of use thereof |
| 02/17/2009 | CA2351376C Lubricants for drilling fluids |
| 02/17/2009 | CA2272252C The use of selected fatty alcohols and mixtures thereof with carboxylic acid esters as lubricant component in water-based drilling fluids for geological exploration |
| 02/17/2009 | CA2229593C Drilling fluid |
| 02/12/2009 | WO2009019471A1 Sealant compositions and methods of use |
| 02/12/2009 | US20090042750 Acidic treatment fluids comprising xanthan and associated methods |
| 02/12/2009 | US20090042749 N,N-Dialkylpolyhydroxyalkylamines |
| 02/12/2009 | US20090042748 Method of Acidizing Sandstone Formations |
| 02/12/2009 | US20090042747 Use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters as gas hydrate inhibitors with improved biodegradability |
| 02/12/2009 | US20090042746 two alkyl ethoxylate additives having different hydrophilic-lipophilic balance values; one or more viscosifying agents( xanthan gum, guar gum, cellulose etc.) and is substantially clay-free |
| 02/12/2009 | US20090038855 Variable Density Fluids and Methods of Use in Subterranean Formations |
| 02/12/2009 | DE102007037466A1 Pfropfpolymer-Mischung Graft polymer mixture |
| 02/11/2009 | EP2022781A1 1-Alkyl-5-oxo-pyrrolidine-3-carboxylic acid esters with improved biodegradability |
| 02/11/2009 | EP2021579A2 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids |
| 02/11/2009 | EP2021432A2 Oxidized guar for oilfield servicing fluids |
| 02/11/2009 | EP2021431A1 Biosealing |
| 02/11/2009 | EP2021430A1 Weighted zero solids loss circulation, fluid loss and insulating annular space fluid systems |
| 02/11/2009 | EP1751395B1 Low dosage naphthenate inhibitors |
| 02/11/2009 | CN101365790A Immobilisation of bacteria to a geological material |
| 02/11/2009 | CN101365767A Polycationic viscoelastic compositions |
| 02/11/2009 | CN101365766A Method and apparatus for treating water to reduce boiler scale formation |
| 02/11/2009 | CN101365653A Process for separating mixtures |
| 02/11/2009 | CN101362943A Preparation of novel thermal resistant and shearing resistant clean fracturing fluid thickener by long chain quaternary ammonium salt containing 18-40 carbon number |
| 02/11/2009 | CN101362942A Formation opener agent for low permeable reservoir of oilfield |
| 02/11/2009 | CN101362941A Nano molecule deposition film oil-displacing agent and preparation method thereof |
| 02/11/2009 | CN101362940A Profile control agent of injection well |
| 02/11/2009 | CN101362939A Multifunctional composite treating agent for polymer flooding and successive water flooding oil reservoir |
| 02/11/2009 | CN101362938A Drilling shaft lining stabilizer |
| 02/11/2009 | CN101362937A Adsorption inhibitor applying to low permeable oilfield |
| 02/10/2009 | US7488705 Oilwell sealant compositions comprising alkali swellable latex |
| 02/10/2009 | US7488704 Fluid loss prevention; exhibits minimal difference between downhole equivalent circulating and surface densities; free of organophilic clays |
| 02/10/2009 | US7488541 for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling |
| 02/10/2009 | CA2360626C Method for fracturing subterranean formations |
| 02/10/2009 | CA2316245C Invert emulsion drilling fluid containing mixtures of secondary esters obtained by conversion of olefins, and preparation thereof |
| 02/05/2009 | WO2009017810A1 Biological enhancement of hydrocarbon extraction |
| 02/05/2009 | WO2009016549A2 System, method and apparatus for acid fracturing with scale inhibitor protection |
| 02/05/2009 | WO2009015725A1 Self-repairing isolation systems |
| 02/05/2009 | US20090036332 tertiary oil recovery, introducing aqueous solution of a dissolved ammonia compound, and an alcohol into the hydrocarbon formation; cost effective recovery of residual oil trapped in the reservoir; surfactant-free |
| 02/05/2009 | US20090036331 Hydraulic fluid compositions |
| 02/05/2009 | US20090036330 comprises nonionic low molecular weight polyacrylamide and high molecular weight polyacrylamide, long chain alcohol or amine or silicate shale inhibitor, anionic cellulose; for subterranean formations, stabilizing well bores |
| 02/05/2009 | US20090036329 Inhibiting naphthenate solids and emulsions in crude oil |
| 02/05/2009 | CA2695273A1 Biological enhancement of hydrocarbon extraction |
| 02/04/2009 | CN100457248C Surface active agent synthesized from alkyl phenol or alkyl naphthol, its formula system and its application in tertiary oil extraction |