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) |
---|
05/05/2011 | CA2778242A1 Cement compositions comprising latex, pozzolan and/or cement kiln dust and methods of use |
05/05/2011 | CA2778241A1 Methods of cementing in subterranean formations using cement kiln dust in compositions having reduced portland cement content |
05/05/2011 | CA2777618A1 Scale inhibiting particulates and methods of using scale inhibiting particulates |
05/04/2011 | EP2316904A1 Methods of using drilling fluids containing biodegradable organophilic clay |
05/04/2011 | EP2316903A1 Method for preparing using drilling fluids containing biodegradable organophilic clay |
05/04/2011 | EP2315818A1 Release of chemical systems for oilfield applications by stress activation |
05/04/2011 | EP2207863B1 Wellbore fluid |
05/04/2011 | CN1919879B Acrylic polymer latex dispersions as additives for inhibiting paraffin deposits in crude oils and compositions containing same |
05/04/2011 | CN1867617B Superabsorbent polymer aqueous paste and coating |
05/04/2011 | CN102046916A Methods of treating a hydrocarbon containing formation |
05/04/2011 | CN102040998A Oil well acidifier |
05/04/2011 | CN102040997A Emulsified fracturing fluid |
05/04/2011 | CN102040996A Fracturing liquid |
05/04/2011 | CN102040995A Preparation method for high-temperature delay type organic zirconium cross-linking agent |
05/04/2011 | CN102040994A Haloduric sulfamic-acid-type amphoteric surfactant composite system and application thereof in tertiary oil recovery |
05/04/2011 | CN102040993A Oil displacement agent suitable for superhigh temperature superhigh salt and superhigh calcium and magnesium homogenized oil deposit |
05/04/2011 | CN102040992A Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
05/04/2011 | CN102040991A Low solid phase drilling fluid filter cake removing system |
05/04/2011 | CN102040990A Paraffin inhibitor |
05/04/2011 | CN102040989A Paraffin removing and inhibiting agent |
05/04/2011 | CN102040988A Oil field well cementation filtration-reducing agent and preparation method thereof |
05/04/2011 | CN102040987A Retarder for oil-well cement with 230 DEG C resistance and preparation method thereof |
05/04/2011 | CN102040986A Capsule solution water shutoff agent |
05/04/2011 | CN102040985A Water plugging agent for oil and gas well |
05/04/2011 | CN102040984A Silicate water shutoff liquid |
05/04/2011 | CN102040983A Foam water plugging liquid |
05/04/2011 | CN102040982A Plugging agent for well drilling |
05/04/2011 | CN102040981A Water-based barite plugging agent with thermosensitive property |
05/04/2011 | CN102040980A Thermosensitive water-based barite liquid leakage plugging agent |
05/04/2011 | CN102040979A Composite gel plugging agent |
05/04/2011 | CN102040978A Gel |
05/04/2011 | CN102040977A Foamed water shutoff agent |
05/04/2011 | CN102040976A Water shutoff agent |
05/04/2011 | CN102040975A Silicate plugging agent |
05/04/2011 | CN102040974A Foam stabilizer for flowing production of oil wells |
05/04/2011 | CN102040973A Drilling fluid |
05/04/2011 | CN102040972A Emulsified drilling agent |
05/04/2011 | CN102040971A Inert emulsified drilling fluid |
05/04/2011 | CN102040970A Clay drilling mud |
05/04/2011 | CN102040969A Drilling mud |
05/04/2011 | CN102040968A Drilling mud for gas well |
05/04/2011 | CN102040967A Emulsified slurry |
05/04/2011 | CN102040966A Emulsion mud for well drilling |
05/04/2011 | CN102040965A Treating agent for oil-based mud |
05/04/2011 | CN102040964A Emulsion mud for well drilling |
05/04/2011 | CN102040963A Slurry lubrication regulator |
05/04/2011 | CN102040962A Slurry lubricant |
05/04/2011 | CN102040961A Viscosity reducer for drilling fluid |
05/04/2011 | CN102040960A Slurry treatment agent |
05/04/2011 | CN102040959A Drilling mud lubricant |
05/04/2011 | CN102040958A Drilling fluid water loss slowing agent |
05/04/2011 | CN102040957A Mud foaming inhibitor |
05/04/2011 | CN102040956A Drilling mud foaming inhibitor |
05/04/2011 | CN102040740A Method for reducing viscosity of aqueous solution of hydrophobically associating polymer |
05/04/2011 | CN102040707A Zwitterionic polymer and preparation method thereof |
05/04/2011 | CN101519585B Shearing cross-linking sensitive plugging agent and preparation method thereof |
05/04/2011 | CN101440274B Preparation of drilling fluid |
05/04/2011 | CN101289614B Impervious fluid loss additive for petroleum well drilling |
05/04/2011 | CN101144009B Biology modified silicate drilling fluid system |
05/03/2011 | US7935662 System, method, and apparatus for injection well clean-up operations |
05/03/2011 | US7935661 Method and composition to increase viscosity of crosslinked polymer fluids |
05/03/2011 | US7935660 Process for disruption of filter cakes |
05/03/2011 | US7934554 Methods and compositions comprising a dual oil/water-swellable particle |
04/30/2011 | CA2685298A1 Breakers for gelled fracturing fluids |
04/28/2011 | WO2011049929A2 High performance guar for hydraulic fracturing and other applications |
04/28/2011 | WO2011049923A2 Method of reducing the viscosity of hydrocarbons |
04/28/2011 | WO2011048459A1 Process for the recovery of heavy oil from an underground reservoir |
04/28/2011 | WO2011005666A3 Methods for treating hydrocarbon-bearing formations with fluorinated acid compositions |
04/28/2011 | WO2010140033A3 Use of encapsulated chemical during fracturing |
04/28/2011 | WO2009077866A3 Method of removing carbon dioxide emissions from in-situ recovery of bitumen and heavy oil |
04/28/2011 | US20110098377 Method of Controlling Water Production Through Treating Proppants With RPMS |
04/28/2011 | US20110098202 Swellable compositions for borehole applications |
04/28/2011 | US20110094740 Method of treating subterranean formations with porous ceramic particulate materials |
04/28/2011 | US20110094737 Shear-activated viscoelastic surfactant fluid and method |
04/28/2011 | CA2778330A1 Process for the recovery of heavy oil from an underground reservoir |
04/28/2011 | CA2777748A1 Proppants for hydraulic fracturing technologies |
04/28/2011 | CA2775964A1 Method of reducing the viscosity of hydrocarbons |
04/27/2011 | EP2314555A1 Zeolite-containing cement compostion |
04/27/2011 | CN102037110A Improved aqueous-based insulating fluids and related methods |
04/27/2011 | CN102037096A Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
04/27/2011 | CN102037095A Mitigation of elemental sulfur deposition during production of hydrocarbon gases |
04/27/2011 | CN102037023A Graft copolymer, method for the production thereof, and use thereof |
04/27/2011 | CN102031942A On-site construction process of water base barite liquid plugging agent with heat sensitive characteristic |
04/27/2011 | CN102031528A Corrosion inhibitor for preventing corrosion of oil-gas field steel equipment and preparation method thereof |
04/27/2011 | CN102031103A Fracturing fluid system of CO2 cleaning foam |
04/27/2011 | CN102031102A Preparation method and fracturing construction method of locally and continuously mixed clean fracturing fluid additive |
04/27/2011 | CN102031101A Heat-resistant and salt-resistant polymer thickening agent and preparation method thereof |
04/27/2011 | CN102031100A Temperature-resistant salt-resistant thickening agent and preparation method thereof |
04/27/2011 | CN102031099A Foaming agent for highly mineralized water containing barium-strontium ions and gas condensate and preparation method thereof |
04/27/2011 | CN102031098A Recyclable foam base fluid for sand-washing well |
04/27/2011 | CN102031097A Method for enhancing oil well cement slurry |
04/27/2011 | CN102031096A Sea-water-based micro-bubble well completion fluid |
04/27/2011 | CN102031095A High-temperature water-in-oil drilling fluid |
04/27/2011 | CN102031094A Salt resistant high-temperature resistant solid-free environment-friendly well drilling and completing integrated working fluid |
04/27/2011 | CN102030852A Polymer for tertiary oil recovery and preparation method thereof |
04/27/2011 | CN102030806A Tea saponin high-grade fatty ester as well as preparation method and application thereof |
04/27/2011 | CN101618888B Method for preparing calcium bromide solution used for oil drilling |
04/27/2011 | CN101543748B Method for preparing 4-vinyl benzyl surface-active macromonomer |
04/27/2011 | CN101531891B Multifunctional nano-viscosity reduction profile control agent |
04/27/2011 | CN101279938B Alkyl phenol sulfonic polyethenoxy ether sodium monosulfosuccinates and preparation thereof |