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)
03/2011
03/24/2011US20110071060 Foamers for downhole injection
03/24/2011US20110071058 Environmentally friendly composition for slickwater application
03/24/2011US20110071057 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (eor) applications
03/24/2011US20110071056 Degradable Surfactants, Including Degradable Gemini Surfactants, and Associated Methods
03/24/2011US20110067867 Wellbore Servicing Fluid Compositions and Use Thereof
03/24/2011CA2771404A1 Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
03/24/2011CA2770210A1 Controlling coal fines in coal bed operations
03/24/2011CA2715236A1 Environmentally friendly composition for slickwater application
03/23/2011EP2298848A1 Method for servicing subterranean wells
03/23/2011EP2298847A1 Improved drilling fluids
03/23/2011EP2297428A1 Method of remediating bit balling using oxidizing agents
03/23/2011EP2297271A1 Methods for treating hydrocarbon-bearing formations having brine
03/23/2011EP2297270A2 Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss
03/23/2011EP2297268A2 High density breaker fluids and methods of use thereof
03/23/2011EP2297267A2 Low conductivity water based wellbore fluid
03/23/2011EP2297266A2 Suspension of concentrated particulate additives containing oil for fracturing and other fluids
03/23/2011EP2297265A1 Wellbore fluids containing sized clay material and methods of use thereof
03/23/2011EP1740795B8 Multizone stimulation using wax balls
03/23/2011CN101988381A Method for removing oil well blockage by using acid forming bacterium
03/23/2011CN101987955A Oil-soluble thick oil yield increasing and viscosity reducing agent and preparation
03/23/2011CN101987954A Alkali-free compound flooding composition
03/23/2011CN101987953A Preparation method of slowly-releasing type solid wax-proofing block
03/23/2011CN101624517B Ferrimanganic lignosulfonate diluent agent for drilling fluid and preparation process thereof
03/23/2011CN101560382B High-strength ceramsite propping agent and preparation method thereof
03/22/2011US7910524 Treatment fluids comprising diutan and associated methods
03/22/2011US7910024 Corrosion inhibition compositions and methods for using the same
03/22/2011CA2645943C Silicate drilling fluid composition containing lubricating agents and uses thereof
03/22/2011CA2630319C Methods of consolidating unconsolidated particulates in subterranean formations
03/22/2011CA2562248C Composition and process for enhanced oil recovery
03/22/2011CA2468224C Aqueous storable cement spacer system and method of making and using the same
03/22/2011CA2456834C Alkali metal tungstate compositions and uses thereof
03/22/2011CA2407842C Biodegradable lubricating composition and uses thereof, in particular in a bore fluid
03/17/2011WO2011031946A2 Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
03/17/2011WO2011031920A2 Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications
03/17/2011WO2011030295A1 Methods to improve the compatibility and efficiency of powdered versions of microfibrous cellulose
03/17/2011US20110065614 Corrosion inhibitor for acid stimulation systems
03/17/2011US20110065613 Oil-based insulating packer fluid
03/17/2011US20110065612 Low interfacial tension surfactants for petroleum applications
03/17/2011US20110061870 High density breaker fluids and methods of use thereof
03/17/2011US20110061866 Low conductivity water based drilling fluid
03/17/2011CA2773069A1 Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
03/17/2011CA2773065A1 Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications
03/17/2011CA2772172A1 Methods to improve the compatibility and efficiency of powdered versions of microfibrous cellulose
03/16/2011EP2294281A1 Methods to stimulate biogenic methane production from hydrocarbon-bearing formation
03/16/2011EP2294158A1 Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same
03/16/2011EP1846531B1 Spotting fluid compositions and associated methods
03/16/2011CN101824312B Sulfur solvent for cleaning sulphur deposition in wellhole
03/16/2011CN101724388B Cross-linking agent suitable for 160-200 DEG C stratum sand fracturing
03/16/2011CN101560378B Anti-sloughing diluted filtration reducing agent for drilling fluid and preparation method thereof
03/16/2011CN101451061B Sand consolidation and water plugging profile control agent made by oil sand
03/16/2011CA2714802A1 Method for treating subterranean formation with degradable material
03/15/2011US7906464 Compositions and methods for the removal of oil-based filtercakes
03/15/2011US7906463 Biocide for well stimulation and treatment fluids
03/15/2011US7906462 Mutual solvent system and method for improved oil and gas permeability in high temperature formations
03/15/2011US7906461 Thermally stable compositions and use thereof in drilling fluids
03/15/2011CA2639917C Lost circulation compositions and methods of using them
03/15/2011CA2609500C Transfer of finely ground weight material
03/15/2011CA2587430C Composition and method for treating a subterranean formation
03/15/2011CA2563091C Zeolite compositions having enhanced compressive strength
03/10/2011WO2011028930A2 Di-functional surfactants for enhanced oil recovery
03/10/2011WO2011028091A1 A method for preparing a gelling and viscosifying agent for drilling mud and the product thereof
03/10/2011WO2011027122A1 Cement compositions and associated methods comprising sub-micron calcium carbonate and latex
03/10/2011WO2011027112A1 Improved suspension characteristics in invert emulsions
03/10/2011WO2011026232A1 Well service compositions and methods
03/10/2011WO2010129831A3 Gravel pack carrier fluids
03/10/2011WO2009114146A3 In-situ low-temperature hydrocarbon recovery from tar sands
03/10/2011US20110059873 Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications
03/10/2011US20110059872 Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures
03/10/2011US20110059871 Graphene Compositions And Drilling Fluids Derived Therefrom
03/10/2011US20110056752 Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss
03/10/2011US20110056748 Wellbore fluids containing sized clay material and methods of use thereof
03/10/2011US20110056683 Wellbore fluid comprising a base fluid and a particulate bridging agent
03/10/2011CA2772833A1 Well service compositions and methods
03/10/2011CA2772374A1 Cement compositions and associated methods comprising sub-micron calcium carbonate and latex
03/10/2011CA2772133A1 Improved suspension characteristics in invert emulsions
03/10/2011CA2684689A1 Methods for removing paraffinic hydrocarbon or bitumen in oil producing or disposal wells
03/09/2011EP2292894A1 A composition and method for making a proppant
03/09/2011EP2292716A1 Compositions for drilling fluids useful to provide flat temperature rheology to such fluids over a wide temperature range and drilling fluids containing such compositions
03/09/2011EP2291335A1 Anticorrosive composition
03/09/2011EP2291284A1 Compositions for treating materials and methods of treating same
03/09/2011EP1866568B1 Wax-containing materials
03/08/2011US7902128 Water-in-oil emulsions with hydrogel droplets background
03/08/2011US7902127 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
03/08/2011US7902126 Well lost circulation additive, lost circulation treatment fluid made therefrom, method of minimizing lost circulation in a subterranean formation
03/08/2011US7902124 Self-diverting acid treatment with formic-acid-free corrosion inhibitor
03/08/2011US7902123 Microemulsion cleaning composition
03/08/2011US7900702 Silicone-tackifier matrixes and methods of use thereof
03/08/2011CA2514140C Gelled liquid hydrocarbon treatment fluids having reduced phosphorus volatility and their associated methods of use and preparation
03/08/2011CA2433589C Thinners for invert emulsions
03/03/2011WO2011025984A1 Microbial enhanced oil recovery methods
03/03/2011WO2011024100A2 Methods to reduce settling rate of solids in a treatment fluid
03/03/2011WO2011024099A2 Methods to control fluid loss in a well bore
03/03/2011WO2011023990A1 Treatment of oil
03/03/2011WO2011023967A1 Treatment fluids comprising entangled equilibrium polymer networks
03/03/2011WO2011023966A1 Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use
03/03/2011WO2011023965A1 Treatment fluids comprising transient polymer networks
03/03/2011WO2011023940A1 Gravel pack fluid composition and emulsion therefor
03/03/2011WO2011023939A1 Radiation-induced triggering for set-on-command compositions and methods of use
03/03/2011WO2011023935A1 Radiation-induced thickening for set-on-command sealant compositions and methods of use
03/03/2011WO2011023934A2 Sonically activating settable compositions and methods of activating them