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)
10/2013
10/30/2013CN101787864B Method for plugging water from oil reservoir fractured water logging oil well developed by injecting water into low-permeable reservoir stratum
10/30/2013CN101718184B Foamed acid washing technological method for horizontal well
10/30/2013CN101675140B In situ microemulsions used as spacer fluids
10/30/2013CA2814286A1 Composite solids system to prepare polymer solutions for hydraulic fracturing treatments
10/29/2013US8569214 Methods of using polysaccharide based cement additives
10/29/2013US8569213 Drilling fluids having reduced sag potential and related methods
10/29/2013CA2752261C Complementary surfactant compositions and methods for making and using same
10/29/2013CA2656462C Mixture for improved foaming in the extraction of petroleum or natural gas
10/24/2013WO2013159054A1 Novel large hydrophobe quaternary ammonium surfactants
10/24/2013WO2013159027A1 Short hydrophobe surfactants
10/24/2013WO2013158567A1 Surfactant formulations for foam flooding
10/24/2013WO2013158308A1 Self-suspending proppants for hydraulic fracturing
10/24/2013WO2013158306A1 Self-suspending proppants for hydraulic fracturing
10/24/2013WO2013158164A1 Controlling hydrogen sulfide production in oilfield operations
10/24/2013WO2013157921A1 Oil recovery from oil sludge with nanoemulsion surfactant
10/24/2013WO2013156551A1 Treatment of underground formations with gels
10/24/2013WO2013156407A1 Surfactant compositions and use thereof for the assisted recovery of hydrocarbons
10/24/2013US20130281330 High solids content methods and slurries
10/24/2013US20130281329 Ammonium salts of chelating agents and their use in oil and gas field applications
10/24/2013US20130281328 Enhanced oil recovery compositions comprising proteins and surfactants and methods of using the same
10/24/2013US20130281327 Alkyl hydrophobe surfactants
10/24/2013US20130281326 Clay inhibitors for the drilling industry
10/24/2013US20130277276 Quaternary ammonium surfactants
10/24/2013US20130277055 Method for the assisted recovery of petroleum
10/24/2013US20130277054 Gellable Treatment Fluids Having Adjustable Gel Times and Methods Associated Therewith
10/24/2013US20130277048 Method of tracing flow of hydrocarbon from a subterranean reservoir
10/23/2013EP2652247A1 High temperature temporary diverter and lost circulation material
10/23/2013EP2652077A1 Treatment of illitic formations using a chelating agent
10/23/2013EP2652076A1 Fluid suitable for treatment of carbonate formations containing a chelating agent
10/23/2013EP2652074A1 Ammonium salts of chelating agents and their use in oil and gas field applications
10/23/2013EP2652073A1 Process and fluid to improve the permeability of sandstone formations using a chelating agent
10/23/2013EP2652072A1 Compositions of viscoelastic surfactant and hydrophobically modified polymer as aqueous thickeners
10/23/2013EP2652071A1 Process to control iron in oil and gas applications using a chelating agent
10/23/2013EP2652070A1 Recirculating, constant backpressure core flooding apparatus and method
10/23/2013EP2652069A1 Method for determining a quantity of an alkaline agent to be injected in the framework of the assisted recovery of hydrocarbons
10/23/2013EP2652068A1 Method for the assisted recovery of hydrocarbons, including optimizing the injection of an aqueous conditioning solution
10/23/2013EP2652067A2 Acidic treatment fluids containing non-polymeric silica scale control additives and methods related thereto
10/23/2013EP2652066A1 Sealing product for plugging and sealing a fractured or cracked formation, and method and system for manufacturing such a product
10/23/2013EP2651877A2 Composition and method for reducing hydrate agglomeration
10/23/2013EP2651849A1 Settable compositions comprising interground perlite and hydraulic cement
10/23/2013EP2651827A1 Lignosulfonate grafts with an acid, ester and non-ionic monomers
10/23/2013CN203244941U Fracturing mulling device
10/23/2013CN103370393A Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations
10/23/2013CN103370392A Particles for use in wellbore fluids
10/23/2013CN103370391A Non-aqueous drilling additive useful to produce a flat temperature-rheology profile
10/23/2013CN103362532A Method for preparing active-carbon-containing colloid gas foam for preventing gas emission in gob
10/23/2013CN103362473A Graded variable density well cementation technology
10/23/2013CN103361042A Xanthan gum non-crosslinking fracturing fluid as well as preparation method and application thereof
10/23/2013CN103361041A Preparation method of high-density anti-gas-channeling well-cementing cement slurry
10/23/2013CN103361040A Temporary plugging agent and preparation method thereof
10/23/2013CN103361039A Blocking method adopting fluid gel for producing blocking valve by formation temperature to block gas reservoir
10/23/2013CN103361038A High-temperature and high-density fresh water drilling fluid
10/23/2013CN103361037A Borehole wall stabilizing agent and preparation method thereof
10/23/2013CN102580610B Lignosulfonate alkylation modified surfactant and preparation method and application thereof
10/23/2013CN102382242B Amphiphilic polymer and application thereof
10/23/2013CN102329608B Microemulsion for improving core wettability
10/23/2013CN102127404B Cementing slurry system suitable for large range of temperature
10/23/2013CN102031094B Salt resistant high-temperature resistant solid-free environment-friendly well drilling and completing integrated working fluid
10/22/2013US8563483 Mineral-based drilling fluid and drilling method
10/22/2013US8563482 Environment friendly base fluid to replace the toxic mineral oil-based base fluids
10/22/2013US8563481 Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
10/22/2013US8563480 Subterranean bridging agents
10/22/2013US8563479 Volcanic ash-based drilling mud to overcome drilling challenges
10/22/2013CA2740453C Resin and foam resin sealants for zonal isolation and methods for making and using same
10/22/2013CA2737377C Polymer gels as flow improvers in water injection systems
10/22/2013CA2686404C In-line treatment of hydrocarbon fluids with ozone
10/22/2013CA2603894C Wax-containing materials
10/17/2013WO2013154926A1 Fluids and methods including nanocellulose
10/17/2013WO2013154726A1 Wellbore servicing fluid system and methods of use
10/17/2013WO2013154717A1 Acidizing fluids comprising a salt block inhibitor and methods for use thereof
10/17/2013WO2013154711A1 Treatment fluids comprising an alkali metal complexing agent and methods for use thereof
10/17/2013WO2013154710A1 Treatment fluids comprising a silicate complexing agent and methods for use thereof
10/17/2013WO2013154435A1 Oil based drilling fluids and mixture for use in oil based drilling fluids
10/17/2013US20130274156 Low interfacial tension surfactants for petroleum applications
10/17/2013US20130274155 Process to control iron in oil and gas applications using a chelating agent
10/17/2013US20130274154 Process and fluid to improve the permeability of sandstone formations using a chelating agent
10/17/2013US20130274153 Alkali-activated coatings for proppants
10/17/2013US20130274152 Polysaccharide slurries with environmentally friendly activator solvents
10/17/2013US20130274151 Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same
10/17/2013US20130274150 Lignosulfonate grafts with an acid, ester and non-ionic monomers
10/17/2013US20130274149 Fluids and methods including nanocellulose
10/17/2013US20130270012 Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same
10/17/2013US20130269944 Treatment Fluids Comprising an Alkali Metal Complexing Agent and Methods for Use Thereof
10/17/2013US20130269941 Treatment Fluids Comprising a Hydroxypyridinecarboxylic Acid and Methods for Use Thereof
10/17/2013US20130269932 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amine oxides
10/16/2013EP2649220A1 Corrosion inhibitors
10/16/2013EP2649148A2 Multiple component neutrally buoyant proppant
10/16/2013EP2649147A2 Single component neutrally buoyant proppant
10/16/2013EP2649146A1 Improved method for the assisted recovery of petroleum
10/16/2013EP2649022A1 Wellbore servicing compositions comprising a fluid loss agent and methods of making and using same
10/16/2013CN203238214U Resin precoated sand
10/16/2013CN103354858A Apparatus and methods for tracking the location of fracturing fluid in a subterranean formation
10/16/2013CN103352683A Method of formation protection while performing downhole operation
10/16/2013CN103351857A Salt-tolerant wormlike micellar system, preparation method and application thereof in flooding oil
10/16/2013CN103351856A Flushing fluid of relieving damage of low permeable sandstone air layer drilling fluid and preparation method thereof
10/16/2013CN103351855A Elastic spacer fluid capable of preventing swelled damage to casing pipe for well cementation
10/16/2013CN103351854A Drilling fluid with chemical reverse osmosis function
10/16/2013CN103351853A High-temperature gas well and horizontal well drilling fluid and completion fluid containing same
10/16/2013CN103351852A Biodiesel lubricant for water-based drilling fluid and preparation method and application thereof
10/16/2013CN103351447A Rheological stabilizer for synthetic base drilling fluid and preparation method thereof
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