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)
01/2013
01/01/2013US8343895 Additive to reduce fluid loss for drilling fluids
01/01/2013US8343894 Controlled variable density fluid for wellbore operations
01/01/2013US8342241 Delivery of nanodispersions below ground
12/2012
12/29/2012CA2779027A1 Gellable treatment fluids comprising amino group gel-time modifiers and methods for use thereof
12/28/2012CA2745017A1 Drilling fluid and methods
12/27/2012WO2012177570A1 Degradable fiber systems for well treatments and their use
12/27/2012WO2012177568A1 Encapsulated materials and their use in oil and gas wells
12/27/2012WO2012176000A2 Wellbore fluid
12/27/2012WO2012175669A1 Tracer fluids with a memory effect for the study of an oil deposit
12/27/2012WO2012112651A3 Non-aqueous, acid soluble, high-density completion fluids and process
12/27/2012WO2012088216A3 Method for treating hydrocarbon-bearing formations with fluorinated amine
12/27/2012US20120329685 Particles Slurried in Oil for Viscoelastic Surfactant Gelled Fluids
12/27/2012US20120329684 Polymeric gel system and methods for making and using same in hydrocarbon recovery
12/27/2012US20120329683 Degradable fiber systems for well treatments and their use
12/27/2012US20120329682 Drilling Fluid for Enhanced Rate of Penetration
12/27/2012US20120328377 Resin-Based Sealant Compositions Comprising Cement Kiln Dust and Methods of Use
12/27/2012US20120325492 Drilling Composition, Process for its Preparation, and Applications Thereof
12/27/2012US20120325478 Cement Compositions and Methods of Using the Same
12/27/2012US20120325477 Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations
12/27/2012US20120325476 Sealant Compositions Comprising Cement Kiln Dust and Tire-Rubber Particles and Methods of Use
12/27/2012US20120325474 Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants
12/27/2012US20120325473 Catalytic polymer bead compositions; processiing for their production; and their use in generating and extracting natural gas, light crude oil, or sequences or mixtures thereof
12/27/2012CA2839875A1 Degradable fiber systems for well treatments and their use
12/26/2012EP2537910A1 Method for procuring viscous crude oil from an underground storage facility
12/26/2012EP2537909A2 Scale inhibition
12/26/2012EP2537908A1 Compositions and methods for well completions
12/26/2012EP2536808A1 Surfactant systems for enhanced oil recovery
12/26/2012CN102844401A Expandable elastomeric material in presence of water or oil
12/26/2012CN102838981A Nanometer drag reducer for sandstone surface pretreatment and preparation method of nanometer drag reducer
12/26/2012CN102838980A High temperature resistant cleansing emulsion or microemulsion fracturing fluid and preparation method thereof
12/26/2012CN102838979A Polymer-surfactant dualistic compound oil-displacing agent
12/26/2012CN102838978A Preparation method and application of autogeneration gas foam composite oil-displacing agent under shaft
12/26/2012CN102838977A Method of preparing polyacrylamide solution for recycling oilfield produced water including Ca<2+> and Mg<2+>
12/26/2012CN102838976A Oil displacement type composite clay expansion inhibitor
12/26/2012CN102838975A Sand-proof consolidation agent
12/26/2012CN102838974A Drilling flushing fluid for gangue dump
12/26/2012CN102838973A Deep continental scientific drilling high-temperature resistant cementing material
12/26/2012CN102838972A Clay stabilizer special for huff and puff of rocket power compound heat carrier
12/26/2012CN102838971A Foaming agent special for huff and puff of rocket power compound heat carrier
12/26/2012CN102838781A Ultra-temperature organic zirconium crosslinker suitable for polymer crosslinking and prepared fracturing solutions of ultra-temperature organic zirconium crosslinker
12/26/2012CN102242625B Method for improving recovery ratio of crude oil of oil deposit after polymer flooding
12/26/2012CN102206483B Surfactant/polymer water repellent identification composite oil displacement agent and preparation method thereof
12/26/2012CN102127412B Method for preparing complex chromium lactate crosslinking agent
12/26/2012CN101864283B Water-based drilling fluid composition containing amine compound
12/26/2012CN101857798B Preparation method of aminated lignin drilling fluid treating agent
12/26/2012CN101812291B Sticky stable acid liquor
12/26/2012CN101812288B Inhibiting and anti-sloughing agent for drilling fluid
12/26/2012CN101760187B Micro-expansile side drilling plugging agent
12/26/2012CN101717621B Low-fluorescence anti-blocking lubricant for drilling fluid and production method thereof
12/26/2012CN101629071B Natural gas hydrate inhibitor
12/25/2012US8338341 Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule
12/25/2012US8338340 Drilling fluid and methods
12/25/2012US8336231 Digging and backfill apparatus
12/20/2012WO2012174527A2 Composition of polybutadiene-based formula for downhole applications
12/20/2012WO2012173948A2 Additives for improving hydrocarbon recovery
12/20/2012WO2012173728A1 Method of inhibiting or controlling release of well treatment agent
12/20/2012WO2012171859A1 Improved corrosion resistance when using chelating agents in chromium-containing equipment
12/20/2012WO2012171858A1 Process to fracture a subterranean formation using a chelating agent
12/20/2012WO2012171857A1 Treatment of shale formations using a chelating agent
12/20/2012WO2012052712A3 Wellbore cementing compositions and methods of making and using same
12/20/2012US20120322912 Drag Reducer for Cement Compositions
12/20/2012US20120322897 Estolide compositions exhibiting high oxidative stability
12/20/2012US20120322700 Nano-Sized Particles for Stabilizing Viscoelastic Surfactant Fluids
12/20/2012US20120322699 Method of Preventing Scale Formation During Enhanced Oil Recovery
12/20/2012US20120322698 Treatment fluids comprising pumicite and methods of using such fluids in subterranean formations
12/20/2012US20120322697 Compositions and methods for enhancing fluid recovery for hydraulic fracturing treatments
12/20/2012US20120322696 Proppants for removal of contaminants from fluid streams and methods of using same
12/20/2012US20120322695 Methods for Controlling Lost Circulation in A Subterranean Well and Materials There for
12/20/2012US20120322694 Electrically Conductive Oil-Base Fluids for Oil and Gas Applications
12/20/2012US20120322693 System and method for creating flowable hydrate slurries in production fluids
12/20/2012US20120318175 Pumpable Geopolymers Comprising A Mixing Aid and Dispersing Agent
12/20/2012US20120317875 Systems and methods for processing glycerol
12/20/2012DE10134224B4 Additive zur Inhibierung der Gashydratbildung Additive for inhibiting gas hydrate formation
12/20/2012CA2839522A1 Composition of polybutadiene-based formula for downhole applications
12/20/2012CA2838299A1 Improved corrosion resistance when using chelating agents in chromium-containing equipment
12/20/2012CA2838297A1 Process to fracture a subterranean formation using a chelating agent
12/20/2012CA2835884A1 Additives for improving hydrocarbon recovery
12/20/2012CA2835872A1 Additives for improving hydrocarbon recovery
12/20/2012CA2835041A1 Method of inhibiting or controlling release of well treatment agent
12/19/2012EP2534335A1 Low salinity reservoir environment
12/19/2012EP2534334A1 Hydrocarbon recovery enhancement methods using low salinity carbonated brines and treatment fluids
12/19/2012EP2534333A1 Method and system for predicting the effect of microbes injected into an oil-bearing reservoir
12/19/2012EP2534220A2 Method and composition for enhanced hydrocarbons recovery
12/19/2012EP2534219A1 Method and composition for enhanced oil recovery
12/19/2012CN102834170A Method for producing crude oil using cationic surfactants comprising a hydrophobic block having a chain length of 6 - 10 carbon atoms
12/19/2012CN102828734A Offshore oilfield water injection well online one-step-process acidification technology
12/19/2012CN102828733A Method for extracting residual crude oil in oil field by using foam compound system
12/19/2012CN102828724A Method for preventing hydrogen sulfide gas in repairing work of hydrogen sulfide contained oil well
12/19/2012CN102827596A Corrosion inhibitor suitable for acidizing stratum at 140-180 DEG C
12/19/2012CN102827595A High temperature profile control agent injected with steam
12/19/2012CN102827594A Heavy oil dirt cleaning agent
12/19/2012CN102827593A Deep-water well cementation cement paste system activated based on slag
12/19/2012CN102827592A High-temperature-resistant long-thickening-time cement slurry
12/19/2012CN102827591A Organic bentonite and preparation method of organic bentonite
12/19/2012CN102827590A High-efficiency semi-permeable membrane inhibitor for drilling fluid and preparation method thereof
12/19/2012CN102827589A Organic soil activating agent and preparation method of organic soil activating agent
12/19/2012CN102134480B Water plugging agent and preparation method thereof
12/19/2012CN101955766B Sulphur removal corrosion inhibitor and preparation method thereof
12/19/2012CN101885804B Method for preparing cationic polymer for increasing and/or stabilizing viscosity of hydrophobic association type polymer oil-displacing agent
12/19/2012CN101787266B Method for preparing non-fluorescence lubricant for water-base drilling fluid
1 ... 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 ... 318