Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
06/2012
06/20/2012EP2465911A1 Method for intervention operations in subsurface hydrocarbon formations
06/20/2012EP2465910A1 Cement compositions and methods utilizing nano-hydraulic cement
06/20/2012EP2464708A1 Hydrophobically and cationically modified relative permeability modifiers and associated methods
06/20/2012EP2464707A1 Organic salts for reducing stone permeablities
06/20/2012EP2185276B1 Chemical treatment of cuttings for re-injection into subterranean formations
06/20/2012CN202277706U Proportioner for drilling fluid
06/20/2012CN102505930A Water base fracturing and blocking-removing composite process
06/20/2012CN102505928A Method for treating natural gas well suite gas channeling
06/20/2012CN102504799A Acidification diverter composition
06/20/2012CN102504798A Ground crosslinked acid liquid for acid fracturing and preparation method thereof
06/20/2012CN102504797A Multifunctional clean fracturing fluid
06/20/2012CN102504796A Flow modifier for high-solidifying-point high-viscosity crude oil
06/20/2012CN102504795A Dual-function explosive pre-crosslinking gel particle for profile control and deep fluid flow diversion
06/20/2012CN102504794A Hydrophobically associating polymer and mixed surfactant binary compound oil displacement system
06/20/2012CN102504793A Core-shell polymer microsphere profile control and oil displacement agent and preparation method thereof
06/20/2012CN102504792A Displacement agent for ultrahigh-temperature, high-salt, high-calcium, high-magnesium and homogeneous oil reservoirs
06/20/2012CN102504791A C18 olefin sulfonate surfactant and preparation method thereof
06/20/2012CN102504790A Method for reversing gas humidity on surface of rock core by using cationic fluorocarbon surfactant
06/20/2012CN102504789A Lipopetide biosurfactant oil extraction agent for improving extraction rate of crude oil
06/20/2012CN102504788A Foaming agent suitable for oil-field development
06/20/2012CN102504787A Novel hydrophobic modified nano-silicon material
06/20/2012CN102504786A Sulfur-containing natural gas hydrate inhibitor
06/20/2012CN102504785A Biological blocking remover for oil fields
06/20/2012CN102504784A Descaling blocking remover for oil-water wells
06/20/2012CN102504783A Biological enzyme oilfield blocking remover
06/20/2012CN102504782A Light-bead leakage-proof cement paste for well cementation and manufacturing technology
06/20/2012CN102504781A Oil and water well sealing and plugging agent and preparation method thereof
06/20/2012CN102504780A Cement capable of resisting CO2 corrosion for well cementation
06/20/2012CN102504779A Paraffin rosin water plugging agent for water plugging of thick oil huff-puff well and water plugging construction method
06/20/2012CN102504778A Preparation and application of hyperbranched composite system for plugging big pore channel
06/20/2012CN102504777A Delaying cross-linking polymer hard-gel in-depth profile controlling agent and preparation method thereof
06/20/2012CN102504776A Lost circulation material for malignant loss and preparation method
06/20/2012CN102504775A Large temperature difference cement slurry for cementing of deep well long isolation section and preparation method thereof
06/20/2012CN102504774A Flexible particle
06/20/2012CN102504773A Saturated salt water drilling fluid for deep wells and extra-deep wells
06/20/2012CN102504772A Biodiesel drilling fluid and preparation method thereof
06/20/2012CN102504771A Water-based drilling fluid system for deepwater operation and preparation method thereof
06/20/2012CN102504292A Organic cross linking system for polymer flooding and preparation method of cross linking agent
06/20/2012CN102504246A Method for preparing polyepichlorohydrin-diethanol amine anti-collapse inhibitor in laboratory
06/20/2012CN102504097A Anionic self-crosslinking polyacrylamide
06/20/2012CN102504065A Polyamine inhibitor for drilling fluids and method for preparing polyamine inhibitor
06/20/2012CN102503863A Dialkyl ether disulfonate surfactant and preparation method thereof
06/20/2012CN102499246A Application of pyridines compound as bactericide
06/20/2012CN101525985B Process for plugging bored well by forming cork for plugging
06/19/2012US8202824 Variable density treatment fluids
06/17/2012CA2730812A1 Environmentally friendly stimulation fluids, processes to create wormholes in carbonate reservoirs, and processes to remove wellbore damage in carbonate reservoirs
06/14/2012WO2012078917A2 Multiple component neutrally buoyant proppant
06/14/2012WO2012078847A2 Single component neutrally buoyant proppant
06/14/2012WO2012078423A1 Fluorinated acrylic polymer compositions as fluid loss additives in drilling fluids
06/14/2012WO2012076887A1 Corrosion inhibitors
06/14/2012WO2012076841A1 Wellbore servicing compositions comprising a fluid loss agent and methods of making and using same
06/14/2012WO2012076816A1 Improved method for the assisted recovery of petroleum
06/14/2012WO2012044986A3 Viscosified fluid loss control agent utilizing chelates
06/14/2012WO2012042403A3 Diversion pill and methods of using the same
06/14/2012US20120149610 Multiple component neutrally buoyant proppant
06/14/2012US20120149609 Polyepihalohydrin reverse emulsion breakers
06/14/2012US20120149608 Corrosion inhibitors for oil and gas applications
06/14/2012US20120149607 Method for Preventing Calcium Citrate Precipitation During Citric Acid Acidizing Treatments
06/14/2012US20120149606 System, Method And Apparatus For Enhancing Wellbore Treatment Fluid Flexibility
06/14/2012US20120149605 Composition and Method For Using Waxy Oil-External Emulsions To Modify Reservoir Permeability Profiles
06/14/2012US20120149604 Chemical Scavenger For Downhole Chemical Analysis
06/14/2012US20120145393 Methods and Compositions Comprising Cement Kiln Dust Having An Altered Particle Size
06/14/2012US20120145391 Compositions and methods for well completions
06/14/2012US20120145390 Single component neutrally buoyant proppant
06/14/2012US20120145387 Compositions and Methods for Servicing Subterranean Wells
06/14/2012CA2819306A1 Improved method for the assisted recovery of petroleum
06/14/2012CA2818744A1 Corrosion inhibitors
06/14/2012CA2817852A1 Wellbore servicing compositions comprising a fluid loss agent and methods of making and using same
06/13/2012EP2463350A1 Fluid loss control additive and cement compositions comprising same
06/13/2012EP2463349A1 Fluorinated acrylic polymer compositions as fluid loss additives in drilling fluids
06/13/2012EP2109650B1 Compositions for increasing gas production from a subterranean formation
06/13/2012EP1976808B1 Low density proppant particles and use thereof
06/13/2012CN102493781A Loess formation conduit plugging and annulus external fill balance anti-leakage process
06/13/2012CN102492414A Synthesis of thickening agent for methanol-based fracturing fluid
06/13/2012CN102492413A Development of controllable cross-linking agent for methanol-based fracturing fluid
06/13/2012CN102492412A Fracturing prepad fluid
06/13/2012CN102492411A Alkyl ester sulphonate complex viscosity depressant with hydrogen supply structure and preparation method thereof
06/13/2012CN102492410A Thick oil-soluble viscosity reducer and preparation method thereof
06/13/2012CN102492409A Complex biological oil displacement agent and application thereof
06/13/2012CN102492408A Novel oil and paraffin removal agent for descaling and dirt removal
06/13/2012CN102492407A High efficient hydrate inhibitor and its preparation method
06/13/2012CN102492406A Nanometer material for plugging coal mines
06/13/2012CN102492405A Grouting material for reinforcing fragmentized coal body
06/13/2012CN102492404A Anti-blowby cement slurry
06/13/2012CN102492403A Anti-blocking lubricant for drilling fluid and preparing method
06/13/2012CN102492402A Preparation method of low-fluorescence lubricant for water-based drilling fluid
06/13/2012CN102492048A Fracturing fluid thickening agent and fracturing fluid containing the same
06/13/2012CN102491922A Bishydroxyl sulfoacid betaine surface active agent and synthesis method thereof
06/13/2012CN102260488B Aqua regia corrosion inhibitor and preparation method thereof
06/13/2012CN101781386B Method for preparing amphiphilic macromolecule oil-displacing agent
06/12/2012US8198220 Wellbore treatment compositions comprising hydrophilically modified polymers and nonionic surfactants
06/12/2012US8198219 Method for producing solid materials on the basis of synthetic polymers and/or biopolymers and use thereof
06/12/2012US8196662 Surfactant based viscoelastic fluids and methods of using the same
06/12/2012US8196660 Method and apparatus to treat well stimulation fluids in-situ
06/12/2012CA2692531C Method for treatment of underground reservoirs
06/12/2012CA2533424C System for sealing a space in a wellbore
06/12/2012CA2490928C Fluid loss additives and methods
06/08/2012CA2758514A1 Compositions and methods for well completions
06/07/2012WO2012075154A1 Interpolymer crosslinked gel and method of using
06/07/2012WO2012075145A1 Interpolymer crosslinked gel and method of using
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