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)
04/2014
04/17/2014US20140106991 Compositions for inhibiting the formation of hydrate agglomerates
04/17/2014US20140105843 Process and device for the preparation of an ester in granule form
04/17/2014US20140102707 Crosslinked swellable polymer
04/17/2014US20140102699 Defoaming Agent Compositions and Methods of Making and Using Same
04/16/2014EP2718541A2 Additives for improving hydrocarbon recovery
04/16/2014EP2718392A1 Process to fracture a subterranean formation using a chelating agent
04/16/2014EP2718391A1 Treatment of shale formations using a chelating agent
04/16/2014EP2718390A1 Improved corrosion resistance when using chelating agents in chromium-containing equipment
04/16/2014EP2718389A1 Modified nonionic surfactant formulations for enhanced oil recovery
04/16/2014EP2718259A1 Composition and method for reducing hydrate agglomeration
04/16/2014CN103732718A A method of slickwater fracturing
04/16/2014CN103732717A Oil field treatment fluids
04/16/2014CN103732716A Systems, materials, and methods for recovering material from bedrock using supercritical argon compositions
04/16/2014CN103725281A Preparation method of low-cost petroleum fracturing propping agent
04/16/2014CN103725280A Novel clean fracturing fluid
04/16/2014CN103725279A Anacardol dimeric surfactant and preparation method thereof
04/16/2014CN103725278A Preparation method of temperature-resistant and salt-tolerant nano oil displacement agent
04/16/2014CN103725277A Fibre compound temporary plugging agent
04/16/2014CN103725276A Fly ash low-density grout
04/16/2014CN103725275A Chemical sealing rubber plug in snubbing operation string as well as preparation method and application of chemical sealing rubber plug
04/16/2014CN103725274A High-pressure-resistant controllable degradation chemical molding fluid bridge plug as well as preparation method and application thereof
04/16/2014CN103725273A Oil-based drilling fluid without surfactant used as emulsifier
04/16/2014CN103725272A Water-based drilling fluid for stabilizing shale
04/16/2014CN103725271A Collapse resistant and high temperature resistant leakproof organic fluosilicic drilling fluid with strong inhibitive ability
04/16/2014CN103725270A Lubricating agent for drilling fluid and preparation method thereof
04/16/2014CN103725269A High temperature resistant humic acid grafting filtrate reducer for drilling fluid and preparation method thereof
04/16/2014CN103725268A High-temperature-resistant oil base drilling fluid emulsifier
04/16/2014CN103725267A Preparation and application methods of high-temperature-resistant lubricant for drilling fluid
04/16/2014CN103725266A Anti-collapse inhibitor for drilling fluid and preparation method of anti-collapse inhibitor
04/16/2014CN103725265A Compound viscosity reducer and viscosity reducing process applicable to bentonite solution
04/16/2014CN103725264A Precipitated weighting agents for use in wellbore fluids
04/16/2014CN103724527A Preparation process of thickening agent with prominently improved system viscosity number
04/16/2014CN103724526A Preparation process of thickening agent with improved reaction conversion rate
04/16/2014CN103724525A Novel preparation process of thickening agent
04/16/2014CN103724517A Production method of tackifying encapsulation agent for drilling fluid
04/16/2014CN103724440A Extrusion modified starch filtrate reducer and preparation method thereof
04/16/2014CN103721649A Preparation technology for petroleum gel breaking polymer by controlling stirring speed
04/16/2014CN103721648A Process for preparing petroleum gel breaking polymer
04/16/2014CN103721647A Polymer preparation technology for petroleum technology gel breaking treatment
04/16/2014CN103721625A Water-based foam stabilizer, preparation method of foam stabilizer and water-based foam system with ultrahigh stability
04/16/2014CN103172354B Preparation method of fracturing propping agent for exploiting shale gas
04/16/2014CN102728252B Method for preparing multiple emulsions from layered active particles
04/16/2014CN102618228B Plugging agent for clastic rock oil reservoir horizontal well, preparation method and water plugging method
04/16/2014CN102533235B Medium high temperature early strength agent for oil well cement
04/16/2014CN101994502B Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (eor)
04/15/2014US8697615 Polyepihalohydrin reverse emulsion breakers
04/15/2014US8697614 Oil release with N-lauroyl amino acid-based compounds
04/15/2014US8697613 Treatment fluids comprising friction reducers and antiflocculation additives and associated methods
04/15/2014US8697612 Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate
04/15/2014US8697611 High density brines for use in wellbore fluids
04/15/2014US8697610 Well treatment with complexed metal crosslinkers
04/15/2014US8697609 Methods of using fluid loss additives comprising micro gels
04/15/2014US8695707 Asphaltene removal composition and methods
04/15/2014US8695704 Controlled release breaker composition for oil field applications
04/15/2014CA2625450C Methods of fracturing formations using quaternary amine salts as viscosifiers
04/15/2014CA2565816C Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications
04/10/2014WO2014055402A1 High density weight materials for oil field servicing operations
04/10/2014WO2014055342A1 Traceable polymeric viscosifier compositions and methods of using
04/10/2014WO2014055309A1 Compositions and methods for preventing emulsion formation
04/10/2014WO2014055158A1 Salt-tolerant anionic surfactant compositions for enhanced oil recovery (eor) applications
04/10/2014WO2014053912A1 Method for treating carbonate reservoirs
04/10/2014WO2014003548A4 Catalyst composition, method of producing the same and the use of the same
04/10/2014US20140100304 Encapsulated activator and its use to trigger a gelling system by physical means
04/10/2014US20140100143 Systems and methods of treating water used for hydraulic fracturing
04/10/2014US20140100142 Traceable polymeric scale inhibitors and methods of using such scale inhibitors
04/10/2014US20140096971 New method and arrangement for feeding chemicals into a hydrofracturing process and oil and gas applications
04/10/2014US20140096969 Compositions and methods for preventing emulsion formation
04/10/2014US20140096967 Salt-tolerant anionic surfactant compositions for enhanced oil recovery (eor) applications
04/10/2014US20140096964 Nanoparticle modified fluids and methods of manufacture thereof
04/09/2014EP2716731A1 Method for the recovery of hydrocarbons from an oil reservoir
04/09/2014EP2716730A1 Method and device for the recovery of hydrocarbons from an oil reservoir
04/09/2014EP2715058A2 Enzyme enhanced oil recovery
04/09/2014EP2714869A1 Stabilized blends containing antioxidants
04/09/2014EP2714839A1 Thickened viscoelastic fluids and uses thereof
04/09/2014EP2714838A1 Composition and method for enhanced hydrocarbon recovery
04/09/2014EP2714837A1 Method for microbial control of injection liquid flow in a hydrocarbon reservoir
04/09/2014EP2714836A2 An enzyme enhanced oil recovery system and a method for operating an underground oil reservoir
04/09/2014EP2714835A1 Methods to modify drilling fluids to improve lost circulation control
04/09/2014EP2714834A1 Methods to characterize fracture plugging efficiency for drilling fluids
04/09/2014EP2714833A1 A drilling fluid that when mixed with a cement composition enhances physical properties of the cement composition
04/09/2014EP2714618A1 Cement composition based on calcium aluminate cement
04/09/2014EP2714617A1 Method for quantifying cement blend components
04/09/2014EP2714612A1 Cement setting agent
04/09/2014CN103717700A Completion fluid with friction reduction
04/09/2014CN103717547A Cementitious binders containing pozzolanic materials
04/09/2014CN103710016A Dry-powder structural fluid drag reducer and preparation method thereof
04/09/2014CN103710015A Yield-increasing emulsion type drag reducer for oil-gas field and preparation method thereof
04/09/2014CN103710014A Fracture fluid solution preparation method
04/09/2014CN103710013A Crosslinked oil-in-water emulsified fracture fluid
04/09/2014CN103710012A Sewage foaming agent
04/09/2014CN103710011A Modified polyacrylamide profile control system as well as preparation and use method thereof
04/09/2014CN103710010A High-temperature resistant oil base drilling fluid system
04/09/2014CN103710009A Bentonite-based slurry preparation technology
04/09/2014CN103710008A Filtrate loss reducer for high temperature resistant drilling fluid and preparation method thereof
04/09/2014CN103710007A High temperature-resistant salt-resistant anti-calcium water loss-reducing drilling fluid treating agent and preparation method thereof
04/09/2014CN103710006A Method for enhancing emulsifying stability of oil-based drilling fluid
04/09/2014CN103709541A Hollow composite microspheres, preparation method thereof, and drilling fluid containing hollow composite microspheres
04/09/2014CN103709540A Organic hollow microspheres, preparation method thereof, and drilling fluid
04/09/2014CN103709324A Plugging polymer used in petroleum exploitation process
04/09/2014CN103709258A Sodium carboxymethyl starch for drilling fluid and preparation method thereof
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