| 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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| 07/06/2011 | CN101423754B Composite catalytic viscosity reducer for steam injection to thickened oil and preparation method and use thereof |
| 07/05/2011 | US7972998 Dry blend fracturing fluid additives |
| 07/05/2011 | US7972997 Process for coating gravel pack sand with polymeric breaker |
| 07/05/2011 | US7972996 Gelled hydrocarbons for oilfield processes, phosphate ester compounds useful in gellation of hydrocarbons and methods for production and use thereof |
| 07/05/2011 | US7972995 Drilling fluid additive containing heated syrup solids |
| 07/05/2011 | US7972555 Method for fabricating compressible objects for a variable density drilling mud |
| 07/05/2011 | US7971659 Foamer/sulfur scavenger composition and methods for making and using same |
| 07/05/2011 | US7971643 Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications |
| 07/05/2011 | CA2685206C Use of elastomers to produce gels for treating a wellbore |
| 07/05/2011 | CA2580637C Foamed cement compositions and associated methods of use |
| 07/05/2011 | CA2522822C Composition and method for treating a subterranean formation |
| 07/05/2011 | CA2498202C Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 07/05/2011 | CA2384108C Quaternary ammonium salts as thickening agents for aqueous systems |
| 06/30/2011 | WO2011079117A1 Foam optimization method for deliquifying wells |
| 06/30/2011 | WO2011078690A1 Method for water tightening of water bearing zones and stabilization of sand in underground constructions |
| 06/30/2011 | WO2011077336A2 Method for treating well bore in a subterranean formation with high density brines and complexed metal crosslinkers |
| 06/30/2011 | WO2011077183A1 Method of making proppants used in gas or oil extraction |
| 06/30/2011 | WO2011076925A1 In-situ microbial oxygen generation and hydrocarbon conversion in a hydrocarbon containing formation |
| 06/30/2011 | WO2011076874A1 Use of nanoparticles for labelling oil field injection waters |
| 06/30/2011 | WO2011076344A1 Methods for controlling lost circulation in a subterranean well and materials there for |
| 06/30/2011 | WO2011024100A3 Methods to reduce settling rate of solids in a treatment fluid |
| 06/30/2011 | WO2011024099A3 Methods to control fluid loss in a well bore |
| 06/30/2011 | WO2011023934A3 Sonically activating settable compositions and methods of activating them |
| 06/30/2011 | US20110160336 Method of use of a polyvinyl alcohol-based composition |
| 06/30/2011 | US20110160104 Ceramic Particles With Controlled Pore and/or Microsphere Placement and/or Size and Method Of Making Same |
| 06/30/2011 | US20110160103 Compressible Packer Fluids and Methods of Making and Using Same |
| 06/30/2011 | US20110160102 Method for enhanced recovery of oil from oil reservoirs |
| 06/30/2011 | US20110160101 Resin coated particulates |
| 06/30/2011 | US20110160100 Composition of packer fluid for deep and ultra-deep wells in environments containing co2 |
| 06/30/2011 | US20110160099 Invert emulsion wellbore fluids and method for reducing toxicity thereof |
| 06/30/2011 | US20110160098 Hydraulic Fluid Compositions |
| 06/30/2011 | US20110160097 Viscosifying polymers and methods of use |
| 06/30/2011 | US20110160096 Methods and Compositions Comprising a Dual Oil/Water-Swellable Particle |
| 06/30/2011 | US20110155371 High solids content slurries and methods |
| 06/30/2011 | DE102007037016B4 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 |
| 06/30/2011 | CA2784763A1 Use of nanoparticles for labelling oil field injection waters |
| 06/30/2011 | CA2783297A1 In-situ microbial oxygen generation and hydrocarbon conversion in a hydrocarbon containing formation |
| 06/30/2011 | CA2694425A1 Viscosifying polymers and methods of use |
| 06/29/2011 | EP2338949A1 Pumpable geopolymers comprising a mixing aid and dispersing agent |
| 06/29/2011 | EP2338948A1 Pumpable geopolymers comprising a fluid-loss agent |
| 06/29/2011 | EP2338947A1 Pumpable geopolymers comprising a setting accelerator |
| 06/29/2011 | EP2337927A2 Invert emulsion wellbore fluids and method for reducing toxicity thereof |
| 06/29/2011 | EP2337827A1 Methods for treating a subterranean formation by introducing a treatment fluid containing a proppant and a swellable particulate and subsequently degrading the swellable particulate |
| 06/29/2011 | EP2337826A1 Enhanced oil recovery using sulfonate mixtures |
| 06/29/2011 | CN102108295A Basic anionic surfactant fracturing fluid |
| 06/29/2011 | CN102108294A Preparation method of organic titanium cross-linking agent for polyhydroxy alcohol fracturing fluid |
| 06/29/2011 | CN102108293A Preparation method of slow-release rubber breaking agent for chemical temporary-plugging rubber plug |
| 06/29/2011 | CN102108292A Crude oil viscosity-reducing and depressant composite |
| 06/29/2011 | CN101875841B Resistance reducing acid used for transformation of ultra-deep well |
| 06/29/2011 | CN101608175B Complex enzyme preparation, preparation method and applications thereof |
| 06/29/2011 | CN101353569B Controllable cross linked gel water blockage plugging material |
| 06/28/2011 | US7968501 Slurry vehicle delilvers water-reactive solids into downhole treatment fluid; flowable concentrated suspension dispersed in nonaqueous, non-oily, hygroscopic liquid; polyol increases crosslink delay and enhances the rate of viscosity after high shear; androus borax |
| 06/28/2011 | US7968500 Gas hydrate protection with heat producing two-component gas hydrate inhibitors |
| 06/28/2011 | CA2621835C Settable compositions comprising cement kiln dust and additive(s) and method of using them |
| 06/28/2011 | CA2598940C Methods of cementing using a fluid loss control additive |
| 06/28/2011 | CA2564621C Method for releasing stuck drill string using spotting fluid |
| 06/28/2011 | CA2502673C Additive for increasing the density of a fluid for casing annulus pressure control |
| 06/28/2011 | CA2492797C Shale hydration inhibition agent and method of use |
| 06/23/2011 | WO2011075629A1 Method of fracturing subterranean formations with crosslinked fluid |
| 06/23/2011 | WO2011075242A2 Kinetic gas hydrate inhibitors in completion fluids |
| 06/23/2011 | WO2011073893A1 Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs |
| 06/23/2011 | WO2011073747A2 Delivery of nanodispersions below ground |
| 06/23/2011 | WO2011072838A1 Magnetic composite particles |
| 06/23/2011 | WO2011072786A1 Pumpable geopolymers comprising a setting accelerator |
| 06/23/2011 | WO2011072785A1 Pumpable geopolymers comprising a fluid-loss agent |
| 06/23/2011 | WO2011072784A1 Pumpable geopolymers comprising a mixing aid and dispersing agent |
| 06/23/2011 | WO2011037832A3 Foamers for downhole injection |
| 06/23/2011 | WO2011014653A3 Methods for thickening hydrophobic liquids with amphiphilic esters |
| 06/23/2011 | US20110152137 Method of using corrosion inhibitors derived from spent fluids in the treatment of wells |
| 06/23/2011 | US20110152136 Solvent assisted oil recovery |
| 06/23/2011 | US20110152135 Viscoelastic surfactant acid treatment |
| 06/23/2011 | US20110152134 Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins |
| 06/23/2011 | US20110152133 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 06/23/2011 | US20110152132 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
| 06/23/2011 | US20110152131 Method of Using Dithiazines and Derivatives Thereof in the Treatment of Wells |
| 06/23/2011 | US20110152130 Dual Function Gas Hydrate Inhibitors |
| 06/23/2011 | US20110146983 Method of carrying out a wllbore operation |
| 06/23/2011 | US20110146974 Delivery of nanodispersions below ground |
| 06/23/2011 | CA2784071A1 Pumpable geopolymers comprising a setting accelerator |
| 06/23/2011 | CA2783995A1 Pumpable geopolymers comprising a fluid-loss agent |
| 06/23/2011 | CA2783507A1 Pumpable geopolymers comprising a mixing aid and dispersing agent |
| 06/23/2011 | CA2783471A1 Method of fracturing subterranean formations with crosslinked fluid |
| 06/23/2011 | CA2782852A1 Magnetic composite particles |
| 06/22/2011 | EP2334902A1 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 06/22/2011 | EP2334898A2 Process for generating hydrogen |
| 06/22/2011 | EP2334893A2 Polymer gels as flow improvers in water injection systems |
| 06/22/2011 | EP2334753A1 Prevention of water intrusion into particulates |
| 06/22/2011 | EP2334752A2 Geochemical control of fracturing fluids |
| 06/22/2011 | EP2334751A1 Method for enhanced recovery of oil from oil reservoirs |
| 06/22/2011 | EP2334647A1 Low-toxicity biodegradable corrosion inhibitors |
| 06/22/2011 | EP2049614B1 Ceramic proppant with low specific weight |
| 06/22/2011 | EP2016106B1 Copolymers as scale inhibitors |
| 06/22/2011 | EP1364107B1 Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block |
| 06/22/2011 | CN102102014A Carboxymethyl guar gum acid fracturing fluid |
| 06/22/2011 | CN102102013A Inorganic boron high-temperature delayed fracturing fluid |
| 06/22/2011 | CN102102012A Selective plugging agent for horizontal well and preparation method thereof |
| 06/22/2011 | CN102102011A Drilling fluid for oil and gas wells |
| 06/22/2011 | CN101092558B Viscosity reducting, de-waxing, deoiling auxiliary agent in use for extracting petroleum, and preparation method |
| 06/21/2011 | US7964539 Well treatment |
| 06/21/2011 | US7964538 Homogenous synthetic mud-to-cement cementing glasses |