| 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) |
|---|
| 07/20/2011 | CN102131872A Use of a novolak resin for enhancing the acid resistance of a polyamide composition |
| 07/20/2011 | CN102128025A Method for determining drilling fluid density in salt-gypsum layer deflection |
| 07/20/2011 | CN102127418A Ultralight-weight proppant and preparation method thereof |
| 07/20/2011 | CN102127417A Propping agent particles and preparation method thereof |
| 07/20/2011 | CN102127416A Anionic surfactant type acid fracturing fluid and preparation method thereof |
| 07/20/2011 | CN102127415A Low-damage super guargum fracturing fluid |
| 07/20/2011 | CN102127414A Microemulsion-type fracture acidizing cleanup additive, and preparation method and application thereof |
| 07/20/2011 | CN102127413A Composite catalysis emulsification viscosity reducer used for viscous oil recovery adopting steam injection and preparation method thereof |
| 07/20/2011 | CN102127412A Method for preparing complex chromium lactate crosslinking agent |
| 07/20/2011 | CN102127411A Viscosity adjustable crosslinked polymer displacement agent and preparation method thereof |
| 07/20/2011 | CN102127410A Slow-swelling pre-crosslinked gel volume expansion grains and preparation method thereof |
| 07/20/2011 | CN102127409A Crude oil viscosity-breaking pour-point depressant composition, and preparation method and application thereof |
| 07/20/2011 | CN102127408A Polymer-contained or gel-contained flushing fluid of oil-well produced fluid |
| 07/20/2011 | CN102127407A Thickening-resistant agent for cementing pad fluid |
| 07/20/2011 | CN102127406A Filtration-reducing agent for synthetic polymer oil-well cement |
| 07/20/2011 | CN102127405A High solid content cement slurry and preparation method thereof |
| 07/20/2011 | CN102127404A Cementing slurry system suitable for large range of temperature |
| 07/20/2011 | CN102127403A High efficient plugging agent for well drilling |
| 07/20/2011 | CN102127402A High-temperature-resistant clay-phase-free hypotonic reservoir stratum drilling fluid |
| 07/20/2011 | CN102127401A High-temperature resistance tackifier for drilling fluid and preparation method thereof |
| 07/20/2011 | CN102127400A Plugging agent for drilling fluid and protecting low percolation reservoir |
| 07/20/2011 | CN102127318A Method for modifying activated barite powder |
| 07/20/2011 | CN102127189A Polyacrylamide microgel as well as preparation method and application thereof |
| 07/20/2011 | CN101735413B Method for preparing functional composite microsphere with multi-layer core-shell structure and application thereof |
| 07/20/2011 | CN101613456B Coating type crosslinker and preparation method and application thereof |
| 07/20/2011 | CN101475667B Temperature-resistant salt-resistant efficient gel, and preparation and use thereof |
| 07/20/2011 | CN101463116B Non-linear associating water-soluble quadripolymer, and preparation and use thereof |
| 07/19/2011 | US7981845 Partially neutralized polyhydroxy acids for well treatments |
| 07/19/2011 | CA2593969C A composition and method for making a proppant |
| 07/19/2011 | CA2547252C Non-damaging fracturing fluids and methods for their use |
| 07/14/2011 | WO2011083318A1 Methods for drilling, reaming and consolidating a subterranean formation |
| 07/14/2011 | WO2011083182A2 Clay inhibitors for the drilling industry |
| 07/14/2011 | WO2011060897A3 Compositions and methods for mitigation of annular pressure buildup in subterranean wells |
| 07/14/2011 | WO2011034692A3 Controlling coal fines in coal bed operations |
| 07/14/2011 | WO2010148222A8 Application of degradable fibers in invert emulsion fluids for kill pills |
| 07/14/2011 | WO2008058001A3 Transfer of finely ground weight material |
| 07/14/2011 | US20110172130 Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations |
| 07/14/2011 | US20110168449 Methods for drilling, reaming and consolidating a subterranean formation |
| 07/14/2011 | US20110168393 Methods of Using Fluid Loss Additives Comprising Micro Gels |
| 07/14/2011 | CA2814244A1 Clay inhibitors for the drilling industry |
| 07/13/2011 | EP2342304A1 Additives to suppress silica scale build-up |
| 07/13/2011 | EP2342303A2 Drilling fluid additive and methods of stabilizing kaolinite fines migration |
| 07/13/2011 | CN102124075A Conductive cement formulation and application for use in well |
| 07/13/2011 | CN102124074A Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
| 07/13/2011 | CN102124073A Methods of delaying the curing of moisture sensitive curable elastomers |
| 07/13/2011 | CN102124035A Copolymer synthesis process |
| 07/13/2011 | CN102120930A Oil reservoir modification acid liquor and oil production method by using same |
| 07/13/2011 | CN102120929A Preparation method of gas-well water controlling agent |
| 07/13/2011 | CN101735781B Method for preparing iron-chromium lignin sulphonate thinner for drilling fluid |
| 07/13/2011 | CN101279934B Aliphatic acid polyethenoxy ether sulphonate and preparation thereof |
| 07/13/2011 | CN101265798B Sieve tube free composite fracturing fibre sand prevention process |
| 07/12/2011 | US7977285 Hydrocarbon fluid compositions and methods for using same |
| 07/12/2011 | US7977284 Non-estrogenic alkylphenol derivatives |
| 07/12/2011 | US7977283 Method of minimizing or reducing salt deposits by use of a fluid containing a fructan and derivatives thereof |
| 07/12/2011 | US7977282 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
| 07/12/2011 | US7977281 Methods for minimizing the amount of graphite particles used during drilling operations |
| 07/12/2011 | CA2705597C Methods and compositions for acidization in a wellbore using an ester or polyester of a glycerol |
| 07/12/2011 | CA2629204C Non-aqueous foam composition for gas lift injection and methods for making and using same |
| 07/12/2011 | CA2621598C Polymer mixtures for crosslinked fluids |
| 07/12/2011 | CA2577564C Binder for mine tailings, alluvial sand and rock fill, or combinations thereof |
| 07/12/2011 | CA2547185C Method for treating a subterranean formation |
| 07/12/2011 | CA2545810C Cementitious composition for use in elevated to fully saturated salt environments |
| 07/12/2011 | CA2535193C Polymer crosslinking system |
| 07/12/2011 | CA2534080C Water-based drilling fluids using latex additives |
| 07/12/2011 | CA2502196C Fracture stimulation process for carbonate reservoirs |
| 07/12/2011 | CA2494200C Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 07/12/2011 | CA2475004C Method of acidizing a subterranean formation with diverting foam or fluid |
| 07/12/2011 | CA2452861C Method of use and composition of pomace additive |
| 07/07/2011 | WO2011081550A1 Hydraulic fracturing system |
| 07/07/2011 | WO2011081549A1 Proppant placement |
| 07/07/2011 | WO2011081547A1 Synthesis of degradable polymers downhole for oilfield applications |
| 07/07/2011 | WO2011081546A1 A method of fluid slug consolidation within a fluid system in downhole applications |
| 07/07/2011 | WO2011081545A1 Hydraulic fracturing proppant containing inorganic fibers |
| 07/07/2011 | WO2011080522A1 Cement compositions comprising sub-micron alumina and associated methods |
| 07/07/2011 | WO2011080518A1 Methods for increasing methanogenesis in subsurface reservoirs |
| 07/07/2011 | WO2011080506A1 Compressible packer fluids and methods of making and using same |
| 07/07/2011 | WO2011080504A1 Delivering water-soluble polysaccharides for well treatments |
| 07/07/2011 | WO2011079508A1 Pour point depressing and viscosity reducing composition for crude oil |
| 07/07/2011 | WO2011042826A3 Method for treating well bore within a subterranean formation |
| 07/07/2011 | WO2010132333A3 Solvents and compositions for treating hydrocarbon-bearing formations |
| 07/07/2011 | WO2010080353A8 Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions |
| 07/07/2011 | US20110166050 Treatment and reuse of oilfield produced water |
| 07/07/2011 | US20110166049 UV Light Treatment Methods and System |
| 07/07/2011 | US20110166048 Anti-accretion agents for drilling fluids |
| 07/07/2011 | US20110166047 Nitrogen-free invert emulsion wellbore fluid |
| 07/07/2011 | US20110166046 UV Light Treatment Methods and System |
| 07/07/2011 | CA2786023A1 Hydraulic fracturing system |
| 07/07/2011 | CA2786021A1 Synthesis of degradable polymers downhole for oilfield applications |
| 07/07/2011 | CA2785955A1 A method of fluid slug consolidation within a fluid system in downhole applications |
| 07/07/2011 | CA2785796A1 Hydraulic fracturing proppant containing inorganic fibers |
| 07/07/2011 | CA2785562A1 Methods for increasing methanogenesis in subsurface reservoirs |
| 07/06/2011 | EP2340289A1 Compositions and methods for hindering asphaltene deposition |
| 07/06/2011 | EP2092039B1 A new coating composition for proppant and the method of making the same |
| 07/06/2011 | EP1373429B1 Multi-component kits and combinations, use thereof and plastic cements obtained therefrom |
| 07/06/2011 | CN201889179U Oil field fracturing propping agent granulation equipment |
| 07/06/2011 | CN102119204A Reduced abrasiveness with micronized weighting material |
| 07/06/2011 | CN102116144A Integrated method for thin oil blending, viscosity reduction, extraction and transportation of thickened oil |
| 07/06/2011 | CN102116143A Method for extracting oil by utilizing indigenous microbe of oil pool subjected to polymer flooding |
| 07/06/2011 | CN102115514A Preparation method of acid liquor thickening agent |
| 07/06/2011 | CN102114397A Viscoelastic surfactant mixed solution for high-temperature high-mineralization reservoir chemical flooding tertiary oil recovery, preparation method and application method thereof |