| 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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| 07/19/2012 | US20120181033 Nanohybrid phase interfaces for foaming in oil field applications |
| 07/19/2012 | US20120181020 Method Of Manufacture And The Use Of A Functional Proppant For Determination Of Subterranean Fracture Geometries |
| 07/19/2012 | US20120180698 Biodegradable Retarder for Cementing Applications |
| 07/19/2012 | DE102006003295B4 Verwendung eines Kerns für Stützgranulat Using a core for supporting granules |
| 07/19/2012 | CA2823984A1 Nanohybrid-stabilized emulsions and methods of use in oil field applications |
| 07/19/2012 | CA2764833A1 A method for making resin-coated proppants and a proppant |
| 07/18/2012 | EP2476737A1 Chemomechanical treatment fluids and methods of use |
| 07/18/2012 | EP2475760A1 Methods to improve the compatibility and efficiency of powdered versions of microfibrous cellulose |
| 07/18/2012 | EP2475741A2 Corrosion inhibition for acid stimulation systems |
| 07/18/2012 | CN102597157A Methods and compositions for viscosifying heavy aqueous brines |
| 07/18/2012 | CN102587895A Methods and compositions for determination of fracture geometry in subterranean formations |
| 07/18/2012 | CN102587876A Method for improving recovery ratio of oil field by use of blasting type pre-crosslinking gel particles |
| 07/18/2012 | CN102587875A Method for improving output of crude oil by utilizing synergistic effect of combined bacteria liquid containing phosphate-solubilizing microorganisms and nitrogen-fixing bacteria |
| 07/18/2012 | CN102587865A Foam drainage gas recovery method for natural gas horizontal well |
| 07/18/2012 | CN102587858A Method for blocking water for fracture and hole type reservoir |
| 07/18/2012 | CN102586782A Corrosion inhibitor and preparation and application thereof |
| 07/18/2012 | CN102585798A Spinel high-strength petroleum fracturing proppant and production method thereof |
| 07/18/2012 | CN102585797A Diverting acid for carrying out acidification and transformation on high-temperature oil and gas well with long well segment |
| 07/18/2012 | CN102585796A Acidizing corrosion inhibitor N-(gamma-methylanthracene) pyridine chloride and preparation method thereof |
| 07/18/2012 | CN102585795A Viscoelastic fluid, preparing method thereof and method for processing underground stratum |
| 07/18/2012 | CN102585794A Residue-free anionic fracturing fluid |
| 07/18/2012 | CN102585793A Method for preparing flooding polymer solution based on membrane softening technique |
| 07/18/2012 | CN102585792A Low-cost environment-friendly oil-soluble viscosity reducing agent for super heavy oil |
| 07/18/2012 | CN102585791A Displacement agent, preparation method thereof, and application of displacement agent to plugging removal of oil well |
| 07/18/2012 | CN102585790A Cement slurry system suitable for long cementing section well cementing job |
| 07/18/2012 | CN102585789A High temperature resistance low-density high-strength cement paste |
| 07/18/2012 | CN102585788A Supersaturated sodium chloride cement slurry system for well cementation |
| 07/18/2012 | CN102585787A Efficient urea-formaldehyde resin plugging agent and application thereof |
| 07/18/2012 | CN102585786A Seepage formation sealant for controlling peek-shaped water absorption in water injection well |
| 07/18/2012 | CN102585785A Method for improving rheological property of oil base drilling fluid |
| 07/18/2012 | CN102585784A Filtrate reducer for water-based drilling fluid and preparation method of filtrate reducer |
| 07/18/2012 | CN102585783A High temperature and salt resistant polymer fluid loss additive for drilling fluid and preparation method of high temperature and salt resistant polymer fluid loss additive |
| 07/18/2012 | CN102585093A Pre-crosslinked gel granulate for profile control and polymer flooding as well as preparation method and application of pre-crosslinked gel granulates |
| 07/18/2012 | CN102585092A Betaine type salt-resistant polymer and preparation method thereof |
| 07/18/2012 | CN102585090A Preparation method for filtrate reducer |
| 07/18/2012 | CN102584644A Crude oil vacuum residue carboxy sulfonate and preparation method thereof |
| 07/18/2012 | CN102584083A Method for preparing high belite cement retarder |
| 07/18/2012 | CN102583788A Silicon phosphate alkali preparation anticorrosive antiscale agent |
| 07/18/2012 | CN102580610A Lignosulfonate alkylation modified surfactant and preparation method and application thereof |
| 07/18/2012 | CN102191021B Preparation method for lignosulfonic acid iron and manganese salt |
| 07/18/2012 | CN101955757B Hydrolyzed polyacrylonitrile-compound ammonium salt for drilling fluid |
| 07/18/2012 | CN101885805B Cationic polymer for increasing and/or stabilizing viscosity of hydrophobic association type polymer oil-displacing agent |
| 07/18/2012 | CN101724384B Preparation method of high strength elastic slow-expansion water-absorption particle diverting agent |
| 07/18/2012 | CN101381598B Fracture liquid and preparation method thereof |
| 07/18/2012 | CN101379000B Control of the thickening of silicate-containing aqueous systems |
| 07/18/2012 | CN101126018B Low-temperature hardening scurry-proof cement slurry for well cementing |
| 07/17/2012 | US8222455 Polycationic viscoelastic compositions |
| 07/17/2012 | US8220565 Treatment of subterranean formations |
| 07/17/2012 | US8220546 Methods for gas well treatment |
| 07/17/2012 | CA2710472C Drilling fluids comprising sub-micron precipitated barite as a component of the weighting agent and associated methods |
| 07/17/2012 | CA2669749C Nano-sized particles for stabilizing viscoelastic surfactant fluids |
| 07/17/2012 | CA2652091C Oxidized guar for oilfield servicing fluids |
| 07/12/2012 | WO2012068330A3 Foamers for downhole injection |
| 07/12/2012 | WO2012061364A3 Prevention of biomass aggregation at injection wells |
| 07/12/2012 | WO2012061241A3 Fluid composition comprising glass microspheres and method of making and using the same |
| 07/12/2012 | US20120178653 Fraccing fluid with unique signature identifier and fluids and flow streams with identifier |
| 07/12/2012 | US20120178652 Pre-Coated Particulates for Preventing Scale and Diageneous Reactions in Subterranean Formations |
| 07/12/2012 | US20120178651 Clay Stabilization With Nanoparticles |
| 07/12/2012 | US20120177708 Easily dispersible lipidic phase |
| 07/12/2012 | US20120175118 Compositions and methods for well completions |
| 07/11/2012 | EP2474373A1 Method for stabilising a subterranean formation using curable urea-formaldehyde resins |
| 07/11/2012 | EP2473705A2 Methods to reduce settling rate of solids in a treatment fluid |
| 07/11/2012 | EP2473579A1 Improved suspension characteristics in invert emulsions |
| 07/11/2012 | EP2473578A1 Treatment fluids comprising entangled equilibrium polymer networks |
| 07/11/2012 | EP2473577A1 Treatment fluids comprising transient polymer networks |
| 07/11/2012 | EP2473576A1 Polymeric additives for enhancement of treatment fluids comprising viscoelastic surfactants and methods of use |
| 07/11/2012 | EP2473460A1 Cement compositions and associated methods comprising sub-micron calcium carbonate and latex |
| 07/11/2012 | EP2078066B1 Biocide for well stimulation |
| 07/11/2012 | CN202322712U 海水基压裂液的连续混配装置 Continuous compounding device seawater-based fracturing fluid |
| 07/11/2012 | CN102575153A Method of fracturing subterranean formations |
| 07/11/2012 | CN102575152A Treatment of Oil |
| 07/11/2012 | CN102575151A Method for the assisted recovery of hydrocarbons in fractured reservoirs |
| 07/11/2012 | CN102575150A Method for producing oil using surfactant mixtures |
| 07/11/2012 | CN102575149A Improved suspension characteristics in invert emulsions |
| 07/11/2012 | CN102575148A Application of degradable fibers in invert emulsion fluids for kill pills |
| 07/11/2012 | CN102575147A Hydrocarbon recovery operations fluids and methods for using the same |
| 07/11/2012 | CN102575146A Microemulsion to improve shale gas production by controlling water imbibition |
| 07/11/2012 | CN102575021A Masterbatch for manufacturing a drilling fluid |
| 07/11/2012 | CN102562021A Quick gel breaking process for intermediate and low temperate oil gas well fracturing fluid |
| 07/11/2012 | CN102559551A Pseudomonas stutzeri as well as culture method and application thereof |
| 07/11/2012 | CN102559168A Acid-sensitive variable-viscosity mixed surfactant |
| 07/11/2012 | CN102559167A Novel preparation method of schiff base oil well acidification corrosion inhibitor and application of preparation method |
| 07/11/2012 | CN102559166A Ampholytic surfactant fracturing fluid and preparation method thereof |
| 07/11/2012 | CN102559165A Oil recovery bacterium crude oil tending condition control method and applications thereof |
| 07/11/2012 | CN102559164A Corrosion inhibitor for drilling fluid and preparation method for corrosion inhibitor |
| 07/11/2012 | CN102559163A Chlorine dioxide compound blockage remover, as well as preparation method and use method for same |
| 07/11/2012 | CN102559162A Leakage-proof type temporary blockage additive for low-pressure thin oil well |
| 07/11/2012 | CN102559161A Carbon dioxide corrosion resisting cement system for oil-gas well cementation |
| 07/11/2012 | CN102559160A Unidirectional temporary plugging agent for natural gas wells and application method thereof |
| 07/11/2012 | CN102559159A High-temperature resistant phenolic resin weak gel profile control plugging agent |
| 07/11/2012 | CN102559158A Acidic gel plugging agent for oil well |
| 07/11/2012 | CN102559157A Environmentally-friendly high-temperature-resistant synthetic base foam drilling fluid and preparation method thereof |
| 07/11/2012 | CN102559156A High temperature high salinity fluid loss agent for drilling fluid and preparation method thereof |
| 07/11/2012 | CN102559155A Strong-inhibition efficient shielding temporary plugging protection reservoir drilling fluid and preparation method thereof |
| 07/11/2012 | CN102559154A Deoxidant for drilling fluid and preparation method for deoxidant |
| 07/11/2012 | CN102558494A Polyurethane material |
| 07/11/2012 | CN102558469A Cross-linking agent for profile control and oil displacement for high-temperature oil reservoir, as well as preparation method and application for same |
| 07/11/2012 | CN102558435A Fluorine-containing amphiphilic polymer viscosity reducer for crude oil and preparation method thereof |
| 07/11/2012 | CN102558434A Associative polyacrylamide solution and preparation method and applications thereof |
| 07/11/2012 | CN102558425A Tackifier, drilling fluid containing tackifier, and stock solution of drilling fluid |