| 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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| 02/01/2012 | CN101613598B 一种抑制H<sub>2</sub>S/CO<sub>2</sub>腐蚀的缓蚀剂及其制备方法 An H <sub> 2 </ sub> S / CO <sub> 2 </ sub> corrosion inhibitor and its preparation method of inhibiting |
| 02/01/2012 | CN101602941B 一种广谱原油防蜡降凝剂 A broad-spectrum anti-wax crude oil pour point depressant |
| 02/01/2012 | CN101285378B 活性剂复合解堵工艺 Activator complex plugging process |
| 01/31/2012 | US8105989 Water based completion and displacement fluid and method of use |
| 01/31/2012 | US8105988 Corrosion inhibitors for a fluid |
| 01/31/2012 | US8105987 Corrosion inhibitors for an aqueous medium |
| 01/31/2012 | US8105986 Aqueous particulate slurry compositions and methods of making same |
| 01/31/2012 | US8105985 Friction loss reduction in viscoelastic surfactant fracturing fluids using low molecular weight water-soluble polymers |
| 01/31/2012 | US8105984 Reduced abrasion drilling fluid |
| 01/31/2012 | CA2677577C Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications |
| 01/26/2012 | WO2012012439A1 Hydraulic fracturing of subterranean formations |
| 01/26/2012 | WO2012012235A1 Oil recovery process for carbonate reservoirs |
| 01/26/2012 | WO2012012230A2 Method of mixing a corrosion inhibitor in an acid-in-oil emulsion |
| 01/26/2012 | WO2012012224A1 Shaped compressed pellets for slow release of well treatment agents into a well and methods of using the same |
| 01/26/2012 | WO2012011841A1 Composition for regulating the permeability of an inhomogeneous oil formation |
| 01/26/2012 | WO2012010853A2 Real-time field friction reduction meter and method of use |
| 01/26/2012 | WO2012010841A1 Cement compositions with a high-density additive of silicon carbide or sintered bauxite |
| 01/26/2012 | WO2012010837A1 Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid |
| 01/26/2012 | WO2012010627A1 A proppant |
| 01/26/2012 | WO2012010530A1 Drilling fluid composition |
| 01/26/2012 | WO2012010062A1 Alcohol defoaming agent used in method for recycling foam for foam drilling |
| 01/26/2012 | WO2012010061A1 Method for circulatory use of foam in foam drilling by means of low-carbon alcohol |
| 01/26/2012 | WO2011153466A3 Injection system for enhanced oil recovery |
| 01/26/2012 | US20120018226 Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid |
| 01/26/2012 | US20120018162 Proppant |
| 01/26/2012 | US20120018159 Polymer Hydration Method |
| 01/26/2012 | CA2807190A1 Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid |
| 01/26/2012 | CA2805703A1 Real-time field friction reduction meter and method of use |
| 01/26/2012 | CA2805627A1 Cement compositions with a high-density additive of silicon carbide or sintered bauxite |
| 01/26/2012 | CA2805090A1 Shaped compressed pellets for slow release of well treatment agents into a well and methods of using the same |
| 01/26/2012 | CA2804913A1 Bacterial control of water based fluids during subsurface injection and subsequent residence time in the subterranean formation |
| 01/25/2012 | EP2408999A2 Well treatment fluid |
| 01/25/2012 | EP2408875A1 Wellbore servicing compositions comprising a set retarding agent and methods of making and using same |
| 01/25/2012 | EP2408874A1 Method of treating a borehole and drilling fluid |
| 01/25/2012 | EP2094809B1 Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids |
| 01/25/2012 | EP1551935B1 Use of anionic dispersion polymers as viscosity modifiers in aqueous drilling fluids |
| 01/25/2012 | CN102333841A Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions |
| 01/25/2012 | CN102333840A Treatment fluids comprising relative permeability modifiers and methods of use |
| 01/25/2012 | CN102333807A Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same |
| 01/25/2012 | CN102329768A Flora construction method for residual oil gasification exploitation of oil deposit |
| 01/25/2012 | CN102329608A Microemulsion for improving core wettability |
| 01/25/2012 | CN102329607A Low-density organic proppant |
| 01/25/2012 | CN102329606A Cross-linking agent for carboxymethyl guar gum acidic fracturing fluid and preparation method thereof |
| 01/25/2012 | CN102329605A Coal dust suspending agent for coal bed fracturing |
| 01/25/2012 | CN102329604A Ultra-high-temperature fracturing fluid for ancient buried hill granite |
| 01/25/2012 | CN102329603A Low-concentration carboxymethyl fracturing fluid and preparation method thereof |
| 01/25/2012 | CN102329602A Ultralow-concentration fracturing fluid and preparation method thereof |
| 01/25/2012 | CN102329601A Low-temperature early-strength corrosion-resistant cement paste system for deepwater cementing |
| 01/25/2012 | CN102329600A Nanoparticle sealing channeling water shutoff agent for oil wells |
| 01/25/2012 | CN102329599A Novel selective water shutoff agent for oil well water shutoff |
| 01/25/2012 | CN102329598A Clean lubricant for drilling fluid and preparation method thereof |
| 01/25/2012 | CN102329396A Hydrophobic group and hydroxypropyl group-contained guar gum |
| 01/24/2012 | US8101557 Unsaturated fatty acids and mineral oils as internal breakers for VES-gelled fluids |
| 01/24/2012 | US8101556 Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods |
| 01/24/2012 | US8101555 Spotting fluids containing syrups |
| 01/24/2012 | US8101554 Well treatment comprising a polymer formed from a diallyl ammonium salt and a scale inhibitor |
| 01/24/2012 | CA2729208C Methods of delaying the curing of moisture sensitive curable elastomers |
| 01/24/2012 | CA2631089C Compositions for reducing or preventing the degradation of articles used in a subterranean environment and methods of use thereof |
| 01/19/2012 | WO2012009128A2 Nanofluids and methods of use for drilling and completion fluids |
| 01/19/2012 | WO2012007721A1 Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations |
| 01/19/2012 | WO2011110601A3 Method for producing crude oil using cationic surfactants comprising a hydrophobic block having a chain length of 6 - 10 carbon atoms |
| 01/19/2012 | US20120015852 Nanofluids and Methods of Use for Drilling and Completion Fluids |
| 01/19/2012 | US20120012326 Shaped Compressed Pellets for Slow Release of Well Treatment Agents Into a Well and Methods of Using Same |
| 01/19/2012 | US20120012318 Compositions And Methods For Servicing Subterranean Wells |
| 01/19/2012 | US20120012311 Surfactant Mixtures for Tertiary Oil Recovery |
| 01/19/2012 | CA2805157A1 Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations |
| 01/18/2012 | EP2407525A1 Rod-shaped proppants and anti-flowback additives, methods of manufacturing, and methods of use |
| 01/18/2012 | EP2407524A1 Compositions and methods for servicing subterranean wells |
| 01/18/2012 | EP2406356A2 Hydrodewaxed hydrocarbon fluid used in the manufacture of fluids for industrial, agricultural, or domestic use |
| 01/18/2012 | EP2406347A1 Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials |
| 01/18/2012 | EP2406342A1 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high ph |
| 01/18/2012 | EP2406331A1 Use of a mixture of water soluble polymers and hydrophobins for thickening aqueous phases |
| 01/18/2012 | CN202113815U Skid mounted polymer continuous curing device |
| 01/18/2012 | CN102325854A Fluid composition comprising particles and method of modifying a wellbore using the same |
| 01/18/2012 | CN102324260A Deep well resistance-reducing packing |
| 01/18/2012 | CN102321465A High-viscosity dispersion-resistant grouting material |
| 01/18/2012 | CN102321464A Corrosion and scale inhibitor for oil well in high water cut stage |
| 01/18/2012 | CN102321463A Sulfur-containing bis-imidazoline type carbon dioxide corrosion inhibitor and preparation method thereof |
| 01/18/2012 | CN102321462A Method for preparing pH regulating stabilizer of oil gas field |
| 01/18/2012 | CN102321461A Solid biochemical paraffin prevention block for oil well and preparation method thereof |
| 01/18/2012 | CN102321460A Micro-foam agent for oil field oil gas well cementation and preparation method thereof |
| 01/18/2012 | CN102321459A Oil well cement chlorine-free coagulation accelerating early strength agent |
| 01/18/2012 | CN102321458A Isolating liquid for front acid sand fracturing and preparation method thereof |
| 01/18/2012 | CN102321457A Drilling fluid high-temperature stabilizer |
| 01/18/2012 | CN102321243A Thioxanthone modified polyethylene imine light initiating agent |
| 01/18/2012 | CN102321220A Star-type polyacrylamide polymer |
| 01/18/2012 | CN102320857A Preparation method of artificial sand for sand prevention of oil-producing well and application thereof |
| 01/18/2012 | CN101624518B Inhibitor suitable for corrosion prevention of pitshaft of CO2 driving extraction shaft |
| 01/18/2012 | CN101462844B Environment protection type efficient aerating powder for shield construction |
| 01/17/2012 | US8097567 Well drilling fluids having clay control properties |
| 01/17/2012 | US8097566 Methods of fracturing subterranean formations using sulfonated gelling agent polymers |
| 01/17/2012 | US8096360 Alkaline β-mannanase containing compositions useful for the hydrolysis of guar in high pH environments and methods related thereto |
| 01/17/2012 | CA2676296C Methods for reducing the viscosity of treatment fluids comprising diutan |
| 01/12/2012 | WO2012006489A2 A method for treatment of subterranean sites adjacent to water injection wells |
| 01/12/2012 | WO2012006486A2 A method for treatment of subterranean sites adjacent to water injection wells |
| 01/12/2012 | WO2012006483A2 A method for pre-treatment of subterranean sites adjacent to water injection wells |
| 01/12/2012 | WO2012005899A1 Compatible mixtures of anionic and cationic surfactants |
| 01/12/2012 | WO2012004569A1 Hybrid cement set-on-command compositions and methods of use |
| 01/12/2012 | WO2012004568A1 Hybrid cement set-on-command compositions |
| 01/12/2012 | WO2011123341A3 Precipitation prevention in produced water containing hydrate inhibitors injected downhole |