| 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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| 02/06/2013 | CN102911902A Anoxybacillussp and application thereof |
| 02/06/2013 | CN102911655A Method for preparing polymer injection liquid by utilizing polymer-bearing wastewater and capable of improving oil displacement viscosity and oil well recovery efficiency |
| 02/06/2013 | CN102911654A Foaming agent for efficiently carrying fluid and sand for gas well and preparation method and application of foaming agent |
| 02/06/2013 | CN102911653A Formula development for mahogany petroleum sulfonate surfactant |
| 02/06/2013 | CN102911652A Cationic polymer anti-collapse agent for mist drilling |
| 02/06/2013 | CN102911651A Oil field compound type anti-scale corrosion inhibitor and preparation method thereof |
| 02/06/2013 | CN102911650A High-strength composite plugging system for plugging pipe flow channel and preparation method thereof |
| 02/06/2013 | CN102911649A High-strength self-degradation packing material and preparation method thereof |
| 02/06/2013 | CN102911648A High-temperature resistant viscosity-increasing filtration-loss reducing agent and preparation method thereof used for drilling fluid |
| 02/06/2013 | CN102911647A Temporary plugging agent for drilling fluid and preparation method of temporary plugging agent |
| 02/06/2013 | CN102911646A Filtrate reducer for oil based drilling fluid and preparation method of filtrate reducer |
| 02/06/2013 | CN102911340A Low-heat-release polyurethane grouting reinforcement material and preparation method thereof |
| 02/06/2013 | CN102911329A Method for preparing modified sulfonated phenolic resin for drilling fluids |
| 02/06/2013 | CN102585796B Acidizing corrosion inhibitor N-(gamma-methylanthracene) pyridine chloride and preparation method thereof |
| 02/06/2013 | CN102382244B Gelation-delayed in-situ polymerized water shutoff gel for high-temperature reservoirs |
| 02/06/2013 | CN102277318B Wax cleaning and preventing bacterial agent and use thereof |
| 02/06/2013 | CN102250608B Rapid demulsifier for fracturing acidification and preparation method thereof |
| 02/06/2013 | CN102229692B Temperature and salt-resistant AM/ACD/AE copolymer and its preparation method |
| 02/06/2013 | CN101993687B Water-soluble anti-free radical stabilizer and preparation method thereof |
| 02/06/2013 | CN101838530B Low-density high-strength ceramic granule propping agent and preparation method thereof |
| 02/05/2013 | US8367590 Gelled hydrocarbons for oilfield processes and methods of use |
| 02/05/2013 | US8367589 Polysaccharide treatment fluid and method of treating a subterranean formation |
| 02/05/2013 | CA2783125A1 Constraining pyrite activity in shale |
| 02/05/2013 | CA2653373C Compositions and methods for gas and oil well treatment |
| 01/31/2013 | WO2013016669A2 Active equivalent circulating density control with real-time data connection |
| 01/31/2013 | WO2013016641A2 Methods of coating wellbore tools and components having such coatings |
| 01/31/2013 | WO2013015928A2 Intermetallic metallic composite, method of manufacture thereof and articles comprising the same |
| 01/31/2013 | WO2013015923A1 Composite particulates and methods thereof for high permeability formations |
| 01/31/2013 | WO2013015870A1 Well servicing fluid and method of servicing a well with the fluid |
| 01/31/2013 | WO2013013889A1 Use of hyperbranched polylysine as shale inhibitor |
| 01/31/2013 | WO2013013357A1 Amphiphilic macromolecule and use thereof |
| 01/31/2013 | WO2013013356A1 Amphiphilic macromolecule and use |
| 01/31/2013 | WO2013013355A1 Amphiphilic macromolecule and use |
| 01/31/2013 | WO2013013354A1 Amphiphilic macromolecule and use thereof |
| 01/31/2013 | US20130029886 Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle |
| 01/31/2013 | US20130029885 Method for producing expanded glass granules and expanded glass granules and the use thereof |
| 01/31/2013 | US20130029884 Biocide formulations |
| 01/31/2013 | US20130029883 Gas generating system for stimulation and deliquification |
| 01/31/2013 | US20130025870 Well servicing fluid and method of servicing a well with the fluid |
| 01/31/2013 | US20130025869 Thermally Stable, Nonionic Foaming Agent for Foam Fracturing Fluids |
| 01/31/2013 | US20130025863 Methods for Servicing Subterranean Wells |
| 01/31/2013 | US20130025862 Proppant Particles Formed From Slurry Droplets and Method of Use |
| 01/31/2013 | US20130025860 Composite Particulates and Methods Thereof for High Permeability Formations |
| 01/31/2013 | US20130025859 Polymer Compositions for Use in Downhole Tools and Components Thereof |
| 01/31/2013 | DE112005001353B4 Klebrigmacher-Fluids auf Wasserbasis und Verfahren zu ihrer Verwendung Tackifier water-based fluid and methods for their use |
| 01/31/2013 | DE102011108821A1 Filling material, useful e.g. for underground cable, comprises three materials, where first material is base material, preferably cement and/or bentonite, second material is heat-conducting particle, and third material is displacer |
| 01/31/2013 | CA2843026A1 Use of hyperbranched polylysine as shale inhibitor |
| 01/31/2013 | CA2842788A1 Amphiphilic macromolecule and use |
| 01/31/2013 | CA2842783A1 Amphiphilic macromolecule and uses thereof |
| 01/31/2013 | CA2842705A1 Amphiphilic macromolecule and use |
| 01/31/2013 | CA2842704A1 Amphiphilic macromolecule and use thereof |
| 01/31/2013 | CA2842156A1 Composite particulates and methods thereof for high permeability formations |
| 01/31/2013 | CA2842062A1 Well servicing fluid and method of servicing a well with the fluid |
| 01/31/2013 | CA2841068A1 Intermetallic metallic composite, method of manufacture thereof and articles comprising the same |
| 01/30/2013 | EP2551327A1 Thermally stable, nonionic foaming agent for foam fracturing fluids |
| 01/30/2013 | EP2551326A1 Use of polylysine as shale inhibitor |
| 01/30/2013 | EP2551249A2 Lightweight settable compositions comprising cement kiln dust |
| 01/30/2013 | EP2550343A1 Methods and compositions for sand control in injection wells |
| 01/30/2013 | EP2550342A1 Zero shear viscosifying agent |
| 01/30/2013 | EP2550341A2 Nanoparticle-densified completion fluids |
| 01/30/2013 | CN102899019A Propping agent for resin coating film and preparation method thereof |
| 01/30/2013 | CN102899018A High-strength high-density ceramic proppant and preparation method thereof |
| 01/30/2013 | CN102899017A Ultralow-density haydite proppant and preparation method thereof |
| 01/30/2013 | CN102899016A High strength ceramsite proppant prepared from novel fluxing agent and preparation method thereof |
| 01/30/2013 | CN102899015A Low-density ceramic proppant prepared from fly ash and preparation method thereof |
| 01/30/2013 | CN102899014A Fiber steering acid |
| 01/30/2013 | CN102899013A Clastic sandstone gas reservoir acidizing fluid |
| 01/30/2013 | CN102899012A Self-born acid and preparation method and application thereof |
| 01/30/2013 | CN102899011A Low-permeability reservoir water-lock releasing agent and preparation method thereof |
| 01/30/2013 | CN102899010A Viscosity-breaking paraffin inhibitor |
| 01/30/2013 | CN102899009A Cleaning agent for heat cleaning of wellhole and preparation method thereof |
| 01/30/2013 | CN102899008A Double protection type perforation fluid |
| 01/30/2013 | CN102899007A High-temperature resistant viscosity reducer for drilling fluids and preparation method for viscosity reducer |
| 01/30/2013 | CN102899006A Phosphonic acid group-containing polymer drilling fluid viscosity reducer and preparation method thereof |
| 01/30/2013 | CN102899005A High temperature-resisting, anti-salt, anti-calcium filtrate reducer for drilling fluid and preparation method thereof |
| 01/30/2013 | CN102898599A AM/NAI/APEG (Acrylamide/N-Allylimidazole/Allyl Alcohol Polyoxyethylene Ether) polymer clay stabilizer and preparation method |
| 01/30/2013 | CN102898590A Twin-tailed hydrophobically associating polymer oil-displacement agent containing beta-cyclodextrin and synthetic method thereof |
| 01/30/2013 | CN102898585A Preparation method of high temperature resistant drilling fluid filtrate reducer |
| 01/30/2013 | CN102898581A Temperature-resistant calcium-tolerant inverse emulsion polymer for drilling fluids and preparation method |
| 01/30/2013 | CN102898570A High-molecular polymer for crude oil depression and application of high-molecular polymer |
| 01/30/2013 | CN102898562A Method for preparing elastic particle flooding/profiling agent |
| 01/30/2013 | CN102898299A Method for synthesizing aluminum citrate cross-linking agent in low carbon solvent |
| 01/30/2013 | CN102391436B High temperature resistant and compound salt resistant viscosity reduction agent for drilling fluid and preparation method thereof |
| 01/30/2013 | CN102329603B Low-concentration carboxymethyl fracturing fluid and preparation method thereof |
| 01/30/2013 | CN102145989B Corrosion resistant cement system and application thereof |
| 01/30/2013 | CN102127318B Method for modifying activated barite powder |
| 01/30/2013 | CN102040980B Thermosensitive water-based barite liquid leakage plugging agent |
| 01/30/2013 | CN101768462B Emulsifying and viscosity-decreasing method of thick oil |
| 01/30/2013 | CN101717624B High-efficient water-based well drilling fluid with fast absorption, strong inhibition and low damage |
| 01/29/2013 | US8362093 Enhanced slurrification method |
| 01/29/2013 | US8361938 Stuck pipe and well stimulation additive and method |
| 01/29/2013 | US8361936 Treatment fluid with non-symmetrical peroxide breaker and method |
| 01/29/2013 | US8361935 Metal free crosslinking of galactomannan |
| 01/29/2013 | US8361934 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications |
| 01/29/2013 | US8360151 Methods for mitigation of annular pressure buildup in subterranean wells |
| 01/29/2013 | CA2710825C Conductivity enhancing structures for use with proppants in oil and gas wells |
| 01/29/2013 | CA2523472C Well treating method to prevent or cure lost-circulation |
| 01/26/2013 | CA2782434A1 Thermally stable, nonionic foaming agent for foam fracturing fluids |
| 01/24/2013 | WO2013012988A1 An invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids |
| 01/24/2013 | WO2013012704A1 Electrically conductive oil-base fluids for oil and gas applications |