| 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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| 08/25/2011 | US20110207634 Preparing ether carboxylates |
| 08/25/2011 | US20110207633 Deep eutectic solvents and applications |
| 08/25/2011 | US20110203797 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 08/25/2011 | US20110203796 Epoxy acid based biodegradable set retarder for a cement composition |
| 08/24/2011 | EP2360223A1 Breaker fluid |
| 08/24/2011 | EP2358839A1 Improvement in enhanced oil recovery by polymer without supplementary equipment or product |
| 08/24/2011 | EP2358838A1 Density-matched suspensions and associated methods |
| 08/24/2011 | CN102162350A Method for improving flooding effect of polymer solution by using calcium and magnesium ions in water |
| 08/24/2011 | CN102161885A Outer circulation method for rapidly preparing gelled acid on site |
| 08/24/2011 | CN102161884A Preparation method and using method of thickened oil viscosity reducer containing ampholytic surfactant |
| 08/24/2011 | CN102161883A Composite chemical oil displacement agent for tertiary oil recovery in oil field |
| 08/23/2011 | US8003581 Iron control agent |
| 08/23/2011 | US8003580 Consolidated proppants having high mechanical strength and process for the preparation thereof |
| 08/23/2011 | US8003579 Oil-, hot water-and heat-resistant binders, process for preparing them and their use |
| 08/23/2011 | US8003578 Method of treating a well and a subterranean formation with alkali nitrate brine |
| 08/23/2011 | US8003577 Method of treating subterranean formation with crosslinked polymer fluid |
| 08/23/2011 | US8003576 Friction modifier for drilling fluids |
| 08/23/2011 | US8003575 Scale squeeze treatment systems and methods |
| 08/23/2011 | US8003574 Inhibiting naphthenate solids and emulsions in crude oil |
| 08/23/2011 | US8003573 Method for remediating flow-restricting hydrate deposits in production systems |
| 08/23/2011 | US8002889 Dual function cement additive |
| 08/23/2011 | US8002049 Well treating method to prevent or cure lost-circulation |
| 08/23/2011 | CA2657137C Improved high performance water-based drilling fluid |
| 08/23/2011 | CA2617588C Deep well anodes for electrical grounding |
| 08/23/2011 | CA2611055C The technique to limit proppant carry-over out of fracture |
| 08/18/2011 | WO2011100301A2 Method and composition for enhanced hydrocarbons recovery |
| 08/18/2011 | WO2011098770A1 Method and system for predicting the effect of microbes injected into an oil-bearing reservoir |
| 08/18/2011 | WO2011098500A1 Surfactant systems for enhanced oil recovery |
| 08/18/2011 | WO2011098493A1 Method and composition for enhanced oil recovery |
| 08/18/2011 | WO2011061504A3 Compositions and systems for combatting lost circulation and methods of using the same |
| 08/18/2011 | WO2011049923A3 Method of reducing the viscosity of hydrocarbons |
| 08/18/2011 | WO2011037954A3 Invert emulsion fluids with high internal phase concentration |
| 08/18/2011 | WO2011037849A3 Foamers for downhole injection |
| 08/18/2011 | US20110201531 Method for Treating Hydrocarbon-Bearing Formations with Fluorinated Epoxides |
| 08/18/2011 | US20110198089 Methods to reduce settling rate of solids in a treatment fluid |
| 08/18/2011 | CA2789122A1 Method and system for predicting the effect of microbes injected into an oil-bearing reservoir |
| 08/18/2011 | CA2789046A1 Method and composition for enhanced oil recovery |
| 08/18/2011 | CA2788840A1 Method and composition for enhanced hydrocarbons recovery |
| 08/18/2011 | CA2788595A1 Surfactant systems for enhanced oil recovery |
| 08/17/2011 | EP2357216A1 Base oil for oil drilling fluid and oil drilling fluid composition |
| 08/17/2011 | EP2356194A1 Toe-to-heel gravel packing methods |
| 08/17/2011 | EP2356193A2 Chrome free water-based wellbore fluid |
| 08/17/2011 | EP1945734B1 Polycationic viscoelastic compositions |
| 08/17/2011 | EP1208119B1 Aqueous gelled composition comprising a block copolymer including at least a water soluble block and a hydrophobic block |
| 08/17/2011 | CN102159791A Hydraulic fracturing proppants |
| 08/17/2011 | CN102154001A Method for preparing solid organic boron delayed cross-linking agent |
| 08/17/2011 | CN102154000A Transition metal sulfonate complex thick oil water thermo-catalysis viscosity reducer and preparation method thereof |
| 08/17/2011 | CN102153999A Profile modification agent for amphion jelly |
| 08/17/2011 | CN102153998A Composite flooding system containing lipopeptide biological surfactant and application thereof |
| 08/17/2011 | CN102153997A Hydrogen sulfide treating agent for oil fields and method for treating hydrogen sulfide |
| 08/17/2011 | CN102153996A Metakaolin-based geopolymer for oil-gas reservoir well cementation and swelling agent thereof |
| 08/17/2011 | CN102153995A Oil-well clinker prepared from sugar mill mud and production method thereof |
| 08/17/2011 | CN102153994A High-temperature miscible phase temporary plugging and sealing agent and preparation method thereof |
| 08/17/2011 | CN102153698A Preparation method of solid cement retarder |
| 08/17/2011 | CN101560381B Ceramic proppant and preparation method thereof |
| 08/17/2011 | CN101486896B Drilling fluid lubricating agent |
| 08/17/2011 | CN101298555B Harmless clean fracturing fluid |
| 08/17/2011 | CN101284987B High active oil-displacing agent |
| 08/17/2011 | CA2693640A1 Solvent separation in a solvent-dominated recovery process |
| 08/16/2011 | US7998911 Environmental friendly fracturing and stimulation composition and method of using the same |
| 08/16/2011 | US7998910 Treatment fluids comprising relative permeability modifiers and methods of use |
| 08/16/2011 | US7998909 Foaming agent for subterranean formations treatment, and methods of use thereof |
| 08/16/2011 | US7998908 Fluid loss control and well cleanup methods |
| 08/16/2011 | US7998907 Porous particulate materials and compositions thereof |
| 08/16/2011 | US7998906 Methods and compositions for treating subterranean formations |
| 08/16/2011 | US7998905 Drilling fluid containing chlorosulfonated alpha-olefin copolymers |
| 08/11/2011 | WO2011096968A1 Degradable polymers for hydrocarbon extraction |
| 08/11/2011 | WO2011051850A3 Downhole chemical delivery system and method |
| 08/11/2011 | US20110195938 Process for preventing or mitigating biofouling |
| 08/11/2011 | US20110195877 Crystalline ceramic particles |
| 08/11/2011 | US20110195876 Olefinically Unsaturated Phosphonate Compounds, Polymers Made Therefrom And Their Use |
| 08/11/2011 | US20110195875 Encapsulated reactant and process |
| 08/10/2011 | EP2352898A2 Non-aqueous breaker fluids and methods of use thereof |
| 08/10/2011 | CN1274376B Composite proppant, composite filtration media and methods for making and using same |
| 08/10/2011 | CN102149898A Process for generating hydrogen |
| 08/10/2011 | CN102149787A Method for treating hydrocarbon-bearing formations with fluorinated epoxides |
| 08/10/2011 | CN102146282A Oil displacement agent |
| 08/10/2011 | CN102146281A Oil-soluble paraffin-removal viscosity breaker |
| 08/10/2011 | CN102146280A Controllable expanded plugging agent |
| 08/10/2011 | CN102146140A Method for preparing temperature-resistance modified water soluble cellulose ether |
| 08/10/2011 | CN102145989A Corrosion resistant cement system and application thereof |
| 08/10/2011 | CN101857800B Leaking stoppage cement slurry for well cementation and preparation method thereof |
| 08/10/2011 | CN101857799B Curable leaking stoppage spacer fluid and preparation method thereof |
| 08/10/2011 | CN101585698B Method for preparing porcelain granules by using fly ash |
| 08/10/2011 | CN101481608B Clean fracturing fluid and use thereof |
| 08/09/2011 | US7994103 Method for controlled placement of chemicals and composition useful for practicing same |
| 08/09/2011 | US7994102 Method of treating an alloy surface with an alkyl sarcosinate |
| 08/09/2011 | US7994101 treating a metal surface with an aqueous solution containing triphenylphosphine, triethylphosphine, or trimethylphosphine; treating subterranean formations, inhibition of metal corrosion in acidic environments; corrosion resistance |
| 08/09/2011 | US7994100 Reversible gelling system and method using same during well treatments |
| 08/09/2011 | US7994099 Corrosion inhibitor compositions comprising an aldehyde and a thiol and/or an amine functionalized ring structure and associated methods |
| 08/09/2011 | US7992654 Dual gradient drilling method and apparatus with an adjustable centrifuge |
| 08/09/2011 | US7992640 Organic acid treating fluids with viscoelastic surfactants and internal breakers |
| 08/04/2011 | WO2011094442A1 Styrylphenol alkoxylate sulfate as a new surfactant composition for enhanced oil recovery applications |
| 08/04/2011 | WO2011092637A2 Use of reactive solids and fibers in wellbore clean-out and stimulation applications |
| 08/04/2011 | WO2011092491A2 Drilling fluids |
| 08/04/2011 | WO2011092221A1 Water-soluble polymers for oil recovery |
| 08/04/2011 | US20110190175 Use of surfactant mixtures for tertiary mineral oil extraction |
| 08/04/2011 | US20110190174 Styrylphenol Alkoxylate Sulfate as a New Surfactant Composition for Enhanced Oil Recovery Applications |
| 08/04/2011 | US20110190173 Acidic treatment fluids and associated methods |
| 08/04/2011 | US20110190172 Gelled hydrocarbons for oilfield processes and methods of use |