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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04/09/2014 | CN103708751A Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica, and associated methods |
04/09/2014 | CN103013456B High-temperature-resistant viscosity-reduction filtrate reducer for drilling fluid and preparation method of filtrate reducer |
04/09/2014 | CN102942702B Synthetic method of molecular weight controllable non-ionic polyacrylamide for well fracturing reformation |
04/09/2014 | CN102863584B Preparation method for macromolecule emulsion coating agent for drilling fluid |
04/09/2014 | CN102796498B Foam drilling fluid |
04/09/2014 | CN102757776B Low-temperature rubber crushing accelerator for well fracturing |
04/09/2014 | CN102731711B Preparation method for emulsion polymer macro-molecular strong coating agent |
04/09/2014 | CN102703043B Plugging material |
04/09/2014 | CN102585790B Cement slurry system suitable for long cementing section well cementing job |
04/09/2014 | CN102505930B Water base fracturing and blocking-removing composite process |
04/09/2014 | CN102504799B Acidification diverter composition |
04/09/2014 | CN102057013B Surfactants based on branched alcohols for tertiary crude oil recovery |
04/09/2014 | CN101260177B Low molecular weight graft copolymers |
04/08/2014 | US8691737 Consolidating spacer fluids and methods of use |
04/08/2014 | US8691735 Method of fracturing using boron crosslinkers |
04/08/2014 | US8691734 Method of fracturing with phenothiazine stabilizer |
04/08/2014 | US8691733 Suspension characteristics in invert emulsions |
04/08/2014 | US8691732 Water-based fluid for preventing the formation of W/O emulsions or for resolving W/O emulsions already formed in porous matrices |
04/08/2014 | US8689870 Use of methylhydroxyethyl cellulose as cement additive |
04/08/2014 | US8689869 Method for providing thixotrophy to fluids downhole |
04/08/2014 | CA2779412C Surfactant based viscoelastic fluids and methods of using the same |
04/08/2014 | CA2716809C Enhancing emulsion stability |
04/03/2014 | WO2014052834A1 Alkylaromatic sulfonates for enhanced oil recovery process |
04/03/2014 | WO2014052705A1 Settable spacer fluids comprising pumicite and methods of using such fluids in subterranean formations |
04/03/2014 | WO2014052519A1 Methods for treating wellbore and wellbore operation fluids |
04/03/2014 | WO2014052510A1 Method for improving high temperature rheology in drilling fluids |
04/03/2014 | WO2014052465A1 Dehydrated gel compositions and methods of using the same |
04/03/2014 | WO2014052459A1 Coated and cured proppants |
04/03/2014 | WO2014052324A1 Particulate weighting agents comprising removable coatings and methods of using the same |
04/03/2014 | WO2014052085A1 Methods of enhancing fracturing stimulation in subterranean formations using in situ foam generation and pressure pulsing |
04/03/2014 | WO2014049083A1 Robust binder, which is independent from the influence of catalytically active substances, for use in the crude oil and natural gas industry |
04/03/2014 | WO2014049078A1 Binder for consolidating formations in the crude oil and natural gas production |
04/03/2014 | WO2014049021A1 Method for the recovery of natural gas and natural gas condensate from subterranean gas condensate reservoirs and flowable compositions (fz) for use in said method |
04/03/2014 | WO2014049019A1 Flowable aqueous compositions and method for increasing the feed rate of crude oil and/or natural gas from a subterranean reservoir that contains crude oil and/or natural gas |
04/03/2014 | WO2014049018A1 Flowable composition, method for producing the flowable composition and method for fracing a subterranean formation using the flowable composition |
04/03/2014 | WO2014049015A1 Method for the recovery of natural gas and natural gas condensate from subterranean gas condensate reservoirs |
04/03/2014 | US20140094394 High Density Weight Materials for Oil Field Servicing Operations |
04/03/2014 | US20140094393 Composition and method for reducing hydrate agglomeration |
04/03/2014 | US20140090897 Invert wellbore fluid |
04/03/2014 | US20140090896 Method for Improving High Temperature Rheology in Drilling Fluids |
04/03/2014 | US20140090850 Shale oil and gas fracturing fluids containing additives of low environmental impact |
04/03/2014 | US20140090849 Methods and Compositions for In Situ Microemulsions |
04/03/2014 | US20140090848 Compositions and methods for treating a well penetrating a subterranean formation |
04/03/2014 | US20140090847 Dehydrated Gel Compositions and Methods of Using the Same |
04/03/2014 | US20140090845 Defoaming Compositions |
04/03/2014 | US20140090843 Use of Synthetic Smectite in Set-Delayed Cement Compositions |
04/03/2014 | US20140090841 Methods and compositions for enhanced oil recovery |
04/03/2014 | US20140090840 Gravel pack carrier fluids |
04/03/2014 | US20140090839 Enhanced oil recovery by in-situ steam generation |
04/03/2014 | US20140090838 Alkylaromatic sulfonates for enhanced oil recovery process |
04/02/2014 | CN103703213A Degradable fiber systems for well treatments and their use |
04/02/2014 | CN103696730A Sludge leakage stopping method in drilling construction |
04/02/2014 | CN103694987A Composite acidizing and fracturing liquid and preparation method thereof |
04/02/2014 | CN103694986A Guar gum fracturing fluid |
04/02/2014 | CN103694985A Continuous mixing fracturing fluid system |
04/02/2014 | CN103694984A Shale gas acid fracturing drag reducer and reparation method thereof |
04/02/2014 | CN103694983A Clay foam stabilizing complex additive for foam flooding as well as preparation method and application of clay foam stabilizing complex additive |
04/02/2014 | CN103694982A Novel surfactant polymer oil-displacing agent and preparation method for same |
04/02/2014 | CN103694981A Foam lift chemical agent diluents, preparation method and application thereof |
04/02/2014 | CN103694980A High-efficiency biological enzyme oil-displacing agent and oil-displacing method |
04/02/2014 | CN103694979A Multi-hydrogen acid composition and application thereof |
04/02/2014 | CN103694978A Preparation methods of organic chromium cross-linking agent and organic chromium gel profile controlling system |
04/02/2014 | CN103694977A Anti-shearing crosslinking-delayed organic profile control agent |
04/02/2014 | CN103694976A Fiber temporary plugging agent for acidizing and fracturing |
04/02/2014 | CN103694975A Cement paste stabilizer and preparation method thereof |
04/02/2014 | CN103694974A Chromium-free crosslinking system |
04/02/2014 | CN103694973A Composite plugging agent for coal-bed gas well |
04/02/2014 | CN103694972A Cement mortar used for grouting while directional drilling and for reinforcing strata |
04/02/2014 | CN103694971A Solid-free killing fluid and preparation method thereof |
04/02/2014 | CN103694970A Paraffin emulsion and preparation method thereof |
04/02/2014 | CN103694969A Oil-based lubricant and application thereof |
04/02/2014 | CN103694968A Acylamino amine oil-based well drilling liquid wetting agent and preparation method thereof |
04/02/2014 | CN103694407A Temperature-resistant and salt-resistant fluid loss additive emulsion and preparation method thereof |
04/02/2014 | CN103694283A Ethyl glucoside sulfonate for drilling fluid and preparation method thereof |
04/02/2014 | CN102875726B Copolymer and preparation method and application thereof |
04/02/2014 | CN102875724B Copolymer, and preparation method and application thereof |
04/02/2014 | CN102838781B Ultra-temperature organic zirconium crosslinker suitable for polymer crosslinking and prepared fracturing solutions of ultra-temperature organic zirconium crosslinker |
04/02/2014 | CN102827596B Corrosion inhibitor suitable for acidizing stratum at 140-180 DEG C |
04/02/2014 | CN102807846B Anti-collapse drilling fluid for coal bed methane horizontal well and method for preparing anti-collapse drilling fluid |
04/02/2014 | CN102775711B Oil-displacing agent composition and preparation method thereof |
04/02/2014 | CN102775710B Oil-displacing agent composition and preparation method thereof |
04/02/2014 | CN102775551B Random copolymer, preparation method and application thereof |
04/02/2014 | CN102757777B Inhibition water locking type high temperature resistant fracturing fluid for tight gas reservoir fracturing |
04/02/2014 | CN102732241B Easily-degradable alkali-free viscosity reducer for thick oil and preparation method thereof |
04/02/2014 | CN102533243B Fracture acidizing cleanup additive of fluorine-containing carbon chain Gemini surfactant and preparation method thereof |
04/02/2014 | CN102459502B Wellbore fluid additives and methods of producing the same |
04/02/2014 | CN102382636B Method for stabilizing displacing fluid viscosity |
04/02/2014 | CN102356140B Additives for inhibiting gas hydrate formation |
04/02/2014 | CN102311728B Chemical pressure-reducing injection-increasing agent for injection well and preparation and use thereof |
04/02/2014 | CN102274701B Surfactant and preparation and application thereof |
04/02/2014 | CN102230373B Method for determining safe drilling fluid density of coal bed based on structural element analysis model |
04/02/2014 | CN102116143B Method for extracting oil by utilizing indigenous microbe of oil pool subjected to polymer flooding |
04/02/2014 | CN101945921B Fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same |
04/02/2014 | CN101328401B High temperature toughcementing carboxyl butadiene-styrene latex additive |
04/01/2014 | US8685903 Lost circulation compositions and associated methods |
04/01/2014 | US8685902 Proppant, proppant production method and use of proppant |
04/01/2014 | US8685901 Wellbore servicing compositions and methods of using same |
04/01/2014 | US8685900 Methods of using fluid loss additives comprising micro gels |
04/01/2014 | US8684082 Radiation-induced thickening for set-on-command sealant compositions and methods of use |
04/01/2014 | CA2758602C Method for enhancing stability of oil based drilling fluids at high temperatures |