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)
04/2011
04/27/2011CN101279935B Alkyl phenol sulfonic polyoxyethylene ether carboxylate and preparation thereof
04/27/2011CN101230260B Compound inhibitor for exploitation of oil-gas field and preparation method thereof
04/26/2011US7932216 Comprising reaction products of a metal carboxylate (oxoaluminum acylate), organic acids (2-ethylhexanoic acid), and an ester (isopropyl hexanoate ester); gelling system for use in fracturing, used in wellbores
04/26/2011US7932215 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH
04/26/2011US7932214 Foamed gel systems for fracturing subterranean formations, and methods for making and using same
04/26/2011US7931966 Proppant material and formation hydraulic fracturing method
04/26/2011US7931089 Proppant and methods of use
04/26/2011CA2718659A1 Low temperature coated particles for use as proppants or in gravel pack s, methods for making and using the same
04/26/2011CA2631851C Water-based polymers for use as friction reducers in aqueous treatment fluids
04/21/2011WO2011046669A1 Hydrocarbon recovery operations fluids and methods for using the same
04/21/2011WO2011045603A1 Hydrocarbons
04/21/2011WO2011045254A1 Process for tertiary mineral oil production using surfactant mixtures
04/21/2011WO2011045205A1 Method for tertiary oil production using surfactant mixtures
04/21/2011WO2011045204A1 Method for producing oil using surfactant mixtures
04/21/2011WO2011044612A1 Proppants
04/21/2011WO2011008409A3 Fines migration control at their sources in water flooding reservoirs
04/21/2011WO2011006024A3 Method of reducing the viscosity of hydrocarbon fluids
04/21/2011WO2011005672A3 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amphoteric compounds
04/21/2011WO2010150123A3 Method for treatment of a well using high solid content fluid delivery
04/21/2011WO2010148226A3 Application of degradable fibers in invert emulsion fluids for fluid loss control
04/21/2011WO2010148222A3 Application of degradable fibers in invert emulsion fluids for kill pills
04/21/2011WO2010147650A3 Treatment of particles for improved performance as proppants
04/21/2011WO2010144398A3 Method for treating hydrocarbon-bearing formations with polyfluoropolyether silanes
04/21/2011WO2010023585A3 System, method and apparatus for breaking fracture fluids
04/21/2011WO2009153203A9 Copolymer synthesis process
04/21/2011WO2009105554A3 Production and delivery of a fluid mixture to an annular volume of a wellbore
04/21/2011US20110092398 Viscoelastic surfactant fluids and related methods of use
04/21/2011US20110092397 Thermophilic Mannanohydrolase and Fracturing Fluids Containing the Same
04/21/2011US20110092396 Copolymer for shale stabilization and method of use
04/21/2011US20110092395 Fluorinated vinylidene cationic surfactant
04/21/2011US20110092394 Fluorinated cationic surfactant
04/21/2011US20110092393 Method of reducing the viscosity of hydrocarbons
04/21/2011US20110091408 Methods of using fluoroalkyl phosphate compositions
04/21/2011US20110088904 In situ recovery from a hydrocarbon containing formation
04/21/2011US20110088901 Method for Plugging Wells
04/21/2011CA2777621A1 Hydrocarbons
04/21/2011CA2777538A1 Process for tertiary mineral oil production using surfactant mixtures
04/21/2011CA2777535A1 Process for mineral oil production using surfactant mixtures
04/21/2011CA2774318A1 Process for tertiary mineral oil production using surfactant mixtures
04/21/2011CA2774183A1 Hydrocarbon recovery operations fluids and methods for using the same
04/20/2011CN102027092A Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications
04/20/2011CN102020984A In-fissure diversion fracturing temporary blocking agent for low-permeability oilfield, and preparation method and application thereof
04/20/2011CN102020983A Viscosity-variable diverting acid for improving stratigraphic acidified section
04/20/2011CN102020982A Multiple-effect viscosity depressant for exploiting thickened oil
04/20/2011CN102020981A Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof
04/20/2011CN102020980A Composition used for preventing formation water lock and application thereof
04/20/2011CN102020979A Bonding filling material and method for carrying out downhole filling using the same
04/20/2011CN102020978A Gas well corrosion inhibitor and preparation method thereof
04/20/2011CN102020596A Desalination refining method in production of petroleum sulfonate
04/20/2011CN102019205A Complex catalyst for viscosity reduction of thick oil by hydrothermal catalytic cracking and preparation and application thereof
04/20/2011CN101392041B Hydrophobic associating polymer containing capsaicine and sulfonic group and preparation method thereof
04/20/2011CN101250396B Pure luminescence-free lubricant for petroleum drilling liquid
04/19/2011US7928042 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
04/19/2011US7928041 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH
04/19/2011US7928040 comprising: water; a source of hydrogen peroxide, and an activator; breaking a viscosity increasing polymer, such as xanthan
04/19/2011US7928039 Reversible emulsions stabilized by amphiphilic polymers
04/19/2011US7926591 Aqueous-based emulsified consolidating agents suitable for use in drill-in applications
04/19/2011US7926588 Optimizing drilling performance using a selected drilling fluid
04/19/2011US7926567 Method for controlled gelation of silicates
04/19/2011CA2641692C Consolidating agent emulsions and associated methods
04/19/2011CA2598939C Fluid loss control additive and cement compositions comprising same
04/19/2011CA2594173C Silicate-containing additives for well bore treatments and associated methods
04/19/2011CA2502228C Self-destructing filter cake
04/19/2011CA2438003C Drilling fluid additive system containing talc & carrier
04/19/2011CA2436453C Methods and compositions for forming subterranean fractures containing resilient proppant packs
04/15/2011CA2717640A1 Siliceous proppant process of manufacture
04/14/2011WO2011044339A2 Reinforced elastomers
04/14/2011WO2011043960A1 Methods for crosslinking water soluble polymers for use in well applications
04/14/2011WO2011042826A2 Method for treating well bore within a subterranean formation
04/14/2011WO2011012857A3 Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use
04/14/2011US20110086942 Reinforced elastomers
04/14/2011US20110086941 Method of improving characteristics of a set cement in an oil-and gas-well
04/14/2011US20110086783 Air drilling misting fluid contains syrups
04/14/2011US20110086782 Controlling the formation of crystalline hydrates in fluid systems
04/14/2011US20110083902 Lost Circulation Control Fluids for Naturally Fractured Carbonate Formations
04/14/2011US20110083848 Process for mineral oil production using surfactant mixtures
04/14/2011US20110083847 Process for tertiary mineral oil production using surfactant mixtures
04/14/2011US20110083846 Process for tertiary mineral oil production using surfactant mixtures
04/14/2011CA2776861A1 Method for treating well bore within a subterranean formation
04/14/2011CA2775515A1 Methods for crosslinking water soluble polymers for use in well applications
04/13/2011EP1414926B1 Process fluid
04/13/2011CN102015959A Treatment fluid with oxidizer breaker system and method
04/13/2011CN102015958A Graphene compositons and drilling fluids derived therefrom
04/13/2011CN102011591A Grouting process for working surface of deep well
04/13/2011CN102011571A Method for profile control by using polymer at offshore oilfield polymer flooding stratum
04/13/2011CN102010706A Low-speed corrosion inhibitor
04/13/2011CN102010705A Multifunctional compound additive
04/13/2011CN102010704A Viscoelastic surfactant cleaning fracturing fluid gel breaker and field construction method
04/13/2011CN102010703A Thickened oil cold production displacement agent for thickened oil production and preparation process thereof
04/13/2011CN102010702A Oil-well cement additive against carbon dioxide corrosion as well as preparation method and application thereof
04/13/2011CN102010701A Oil-well cement additive for preventing corrosion of hydrogen sulfide as well as preparation method and application thereof
04/13/2011CN102010700A High-efficiency inorganic blockage relieving agent
04/13/2011CN102010699A Novel emulsion breaking and discharge aiding agent
04/13/2011CN102010698A Inorganic de-blocking agent
04/13/2011CN102010697A Organic deblocking agent
04/13/2011CN102010696A Water-based barite liquid plugging agent with thermal sensitivity
04/13/2011CN102010695A Organosilicon polysulfonate drilling fluid
04/13/2011CN101395303B Corrosion inhibitors having increased biodegradability and reduced toxicity
04/13/2011CN101171319B Method and composition for cleaning a well bore prior to cementing
04/12/2011US7923419 Methods and compositions for thermal insulation