| 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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| 12/12/2013 | WO2013181731A1 Composition and methods for the production of biopolymeric materials that biodegrade rapidly, and are flexible and rigid, with use of the xanthan bioplastic as a component of the biopolymetric matrix and optionally fillers and/or nanofillers and other constituents, the resulting products and the uses thereof |
| 12/12/2013 | US20130331304 Chelating agent precursors, fluids containing them, and their use |
| 12/12/2013 | US20130331303 Flat rheology wellbore fluid |
| 12/12/2013 | US20130331302 Fluid loss additive for oil-based muds |
| 12/12/2013 | US20130331301 Methods for using complementary surfactant compositions |
| 12/12/2013 | US20130327531 Viscoelastic Surfactant Fluids and Related Methods of Use |
| 12/12/2013 | US20130327530 Composition and Method to Replace Polysacharides in Hydraulic Fracturing |
| 12/12/2013 | US20130327527 Method to Enhance Fiber Bridging |
| 12/12/2013 | US20130327524 Method for recovering oil from a reservoir by means of micro(nano)-structured fluids with controlled release of barrier substances |
| 12/12/2013 | US20130327523 Method of recovering oil from a subterranean formation |
| 12/12/2013 | CA2876032A1 A method of inhibiting scale in a geological formation |
| 12/12/2013 | CA2875616A1 Methods of using oil-based wellbore cement compositions |
| 12/12/2013 | CA2875500A1 Proppants and anti-flowback additives comprising flash calcined clay, methods of manufacture, and methods of use |
| 12/11/2013 | EP2670815A1 Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate |
| 12/11/2013 | EP2670814A2 Oil field treatment fluids |
| 12/11/2013 | EP2670726A1 Polyols and their use in hydrocarbon lubricating and drilling fluids |
| 12/11/2013 | CN103443239A Method for reducing coning in oil well by means of micro- (nano-) structured fluid substances |
| 12/11/2013 | CN103443051A Ceramic particle and process for making the same |
| 12/11/2013 | CN103436248A Proppant prepared by magnesite tailings, iron ore tailings and boric sludge and preparation method of proppant |
| 12/11/2013 | CN103436247A Retarded-acid acidizing fluid |
| 12/11/2013 | CN103436246A Biological clean recoverable fracturing fluid thickening agent |
| 12/11/2013 | CN103436245A Synthetic polymer fracturing fluid for fracturing |
| 12/11/2013 | CN103436244A Composite unblocking agent and method for composite unblocking by using temporary blocking agent and composite unblocking agent |
| 12/11/2013 | CN103436243A Safe blocking remover polymer injection well of oil field |
| 12/11/2013 | CN103436242A Automatic restoration agent of well-cementing cement rings of rare-earth coordination type oil-gas well, as well as preparation and application of automatic restoration agent |
| 12/11/2013 | CN103436241A Nano film-embedded emulsion lubricant |
| 12/11/2013 | CN103435750A Hydrophobic associated polymer containing capsaicin activated monomer and preparation method thereof |
| 12/11/2013 | CN102766443B Hardener for mud cakes of drilling fluid |
| 12/11/2013 | CN102071004B Oligomer acidic fracturing fluid |
| 12/11/2013 | CN101747873B Latex sealing fluid and preparation method thereof |
| 12/11/2013 | CN101668764B Zirconium-based cross-linker compositions and their use in high ph oil field applications |
| 12/10/2013 | US8603952 Cement compositions and methods utilizing nano-clay |
| 12/10/2013 | US8603951 Compositions and methods for treatment of well bore tar |
| 12/10/2013 | CA2635032C Scale inhibiting well treatment |
| 12/10/2013 | CA2613537C Apparatus and process for the incorporation of a dry treatment product into a liquid waste |
| 12/10/2013 | CA2602004C High density brines for use in wellbore fluids |
| 12/05/2013 | WO2013181499A1 Method and composition for enhanced oil recovery based on supercritical carbon dioxide and a nonionic surfactant |
| 12/05/2013 | WO2013181490A1 Surface active additives for oil-based mud filter cake breakers |
| 12/05/2013 | WO2013181468A1 Cement compositions comprising saponins and associated methods |
| 12/05/2013 | WO2013181229A2 Enhanced oil recovery by in-situ steam generation |
| 12/05/2013 | WO2013181056A1 Synergistic h2s scavengers |
| 12/05/2013 | WO2013180910A1 System and method for delivering treatment fluid |
| 12/05/2013 | WO2013180824A1 Compositions and method for treating out hydrogen sulfide and preventing settling of precipitate in an environmentally responsible drilling and packer fluid |
| 12/05/2013 | WO2013179236A1 System and method for removal of heavy metal ions from a rich hydrate inhibitor stream |
| 12/05/2013 | WO2013178626A1 Methods for well treatment, using gellable compositions comprising a polyacrylamide and a non-metallic cross linker |
| 12/05/2013 | US20130324446 Emulsion breakers including polyester functionalities |
| 12/05/2013 | US20130324445 Microemulsion and Nanoemulsion Breaker Fluids With Organic Peroxides |
| 12/05/2013 | US20130324444 System and method for delivering treatment fluid |
| 12/05/2013 | US20130324443 Salt-tolerant, thermally-stable rheology modifiers |
| 12/05/2013 | US20130324442 Compositions and Method for Treating Out Hydrogen Sulfide and Preventing Settling of Precipitate in an Environmentally Responsible Drilling and Packer Fluid |
| 12/05/2013 | US20130324441 Drilling Fluids Useful For Limiting Tar Sand Accretion |
| 12/05/2013 | US20130323818 Novel thermophilic bacterium and uses of extracellular proteins therefrom |
| 12/05/2013 | US20130319667 Degradable latex and method |
| 12/05/2013 | US20130319656 Enzyme breakers and methods for fluid systems |
| 12/05/2013 | US20130319295 Slurry of manganomanganic oxide particles and method for the production of slurry |
| 12/05/2013 | CA2875127A1 Method and composition for enhanced oil recovery based on supercritical carbon dioxide and a nonionic surfactant |
| 12/05/2013 | CA2875124A1 Cement compositions comprising saponins and associated methods |
| 12/05/2013 | CA2874873A1 Compositions and method for treating out hydrogen sulfide and preventing settling of precipitate in an environmentally responsible drilling and packer fluid |
| 12/04/2013 | EP2668246A1 Wellbore strengthening composition |
| 12/04/2013 | EP2668245A1 Method for reducing the permeability of a subterranean reservoir |
| 12/04/2013 | EP2668011A2 Extrusion process for proppant production |
| 12/04/2013 | CN203319922U Water control type low temperature curing and resin coated sand prevention particle |
| 12/04/2013 | CN203319921U Oil well sand washing temporary plugging agent granule prepared from waste diapers |
| 12/04/2013 | CN103429698A Alkanesulphonic acid microcapsules and use thereof in deep wells |
| 12/04/2013 | CN103429697A Process for producing mineral oil from underground formations |
| 12/04/2013 | CN103429696A Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 12/04/2013 | CN103422844A Slow release breaking method for surfactant fracturing fluids |
| 12/04/2013 | CN103422841A Viscosity reduction method and viscosity reducer for viscous oil |
| 12/04/2013 | CN103422840A Method of displacing oil by anionic-cationic composite surfactant |
| 12/04/2013 | CN103422834A Oil well blocking agent and application thereof |
| 12/04/2013 | CN103421485A Lightweight ceramsite proppant for coalbed methane fracturing and preparation method thereof |
| 12/04/2013 | CN103421484A Double-component aqueous fracturing fluid gel breaker and application method thereof |
| 12/04/2013 | CN103421483A Nano catalytic viscosity reducer for thickened oil aqua-thermolysis and preparation method thereof |
| 12/04/2013 | CN103421482A Method for increasing high temperature aging stability of polyacrylamide |
| 12/04/2013 | CN103421481A Glycine betaine surfactant composition system and purpose thereof |
| 12/04/2013 | CN103421480A Oil displacement surfactant composition and preparation method thereof |
| 12/04/2013 | CN103421479A Cementing and anti-blockage fluid for horizontal wells and method for manufacturing cementing and anti-blockage fluid |
| 12/04/2013 | CN103421478A Complex plug removal water injection agent used for water injection well of sandstone reservoir and preparation method thereof |
| 12/04/2013 | CN103421477A Preparation method of blocking remover for relieving near-wellbore area gas condensate and particle obstruction |
| 12/04/2013 | CN103421476A Shielding agent used for water plugging of oil well |
| 12/04/2013 | CN103421475A Oil well deep composite blocking profile control agent and application thereof |
| 12/04/2013 | CN103421474A 低密度油基钻井液 Low-density oil-based drilling fluids |
| 12/04/2013 | CN103421473A Emulsifier for novel high-temperature water-in-oil drilling fluid |
| 12/04/2013 | CN103421472A Novel high-temperature-resistant low-viscosity high-shear water-in-oil drilling fluid |
| 12/04/2013 | CN103421253A Preparation method of polystyrene hollow microballs and applications thereof |
| 12/04/2013 | CN103421176A 脂肪醇聚氧乙烯聚氧丙烯醚羧酸盐及制备方法 Polyoxyethylene polyoxypropylene ether carboxylate and preparation methods |
| 12/04/2013 | CN103421175A N,N'-bis fatty acyl hydroxyethyl aliphatic diamine polyoxyethylene ether carboxylate or sulfonate, and preparation method thereof |
| 12/04/2013 | CN103421174A Fatty amine polyoxyethylene ether carboxylate and preparation method thereof |
| 12/04/2013 | CN103421137A Preparation method of high temperature resistance polyacrylamide for oil displacement |
| 12/04/2013 | CN103418437A Amphiphilic catalytic viscosity reducer for thickened oil aqua-thermolysis and preparation method thereof |
| 12/04/2013 | CN102911329B Method for preparing modified sulfonated phenolic resin for drilling fluids |
| 12/04/2013 | CN102786245B Formula for viscosity reducer |
| 12/04/2013 | CN102690644B Binary alkali-free complex composition for flooding, suitable for high-temperature and high-salinity reservoir, and application thereof |
| 12/04/2013 | CN102690643B Ternary complex composition for flooding and application thereof in tertiary oil recovery |
| 12/04/2013 | CN102676144B Composition for penetration-driving oil recovery agent and penetration-driving oil recovery agent |
| 12/04/2013 | CN102660239B Antifreezing foam scrubbing agent and its preparation technology |
| 12/04/2013 | CN102634329B Low-molecular-weight polymer fracturing liquid |
| 12/04/2013 | CN102634328B Carboxymethyl hydroxypropyl guanidine gum fracturing fluid |
| 12/04/2013 | CN102559159B High-temperature resistant phenolic resin weak gel profile control plugging agent |
| 12/04/2013 | CN102559156B High temperature high salinity fluid loss agent for drilling fluid and preparation method thereof |