Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 37 - Methods or apparatus for cleaning boreholes or wells
Patents for E21B 37 - Methods or apparatus for cleaning boreholes or wells (5,129)
07/2014
07/10/2014US20140190692 Production-treating chemicals added to polymer slurries used in treatment of oil and gas wells
07/09/2014CN203702098U 自控式油井套管气回收装置 Self-control gas well casing recovery
07/09/2014CN203702092U 采油井下给药液体补偿装置 Oil downhole fluid administration compensation device
07/09/2014CN203702091U 一种分体式钻具刮泥器 A separate-type drill scraper
07/09/2014CN203702090U 一种手动擦油器 Oil it is a manual
07/09/2014CN203702089U 一种采油管刮蜡装置 One kind of oil pipe scraping wax device
07/09/2014CN103912242A 高效清蜡油管规 Efficient clear wax tube regulation
07/08/2014US8770296 High density breaker fluids and methods of use thereof
07/08/2014CA2663963C Treating liquids in oil extraction
07/03/2014WO2014104422A1 System for cleaning underground water tube well and recovering cleaning-contaminants
07/03/2014WO2014102549A1 Apparatus for hydrocarbon operations and method of use
07/03/2014US20140187449 Functionalized silicate nanoparticle composition, removing and exfoliating asphaltenes with same
07/02/2014CN203685144U 油井套管采油装置 Oil well casing device
07/02/2014CN203685130U 油井正洗开关 Wells are washed switch
07/02/2014CN203685129U 蒸汽阻垢器 Steam scale device
07/02/2014CN203685128U 一种油井复合防蜡装置 One kind of paraffin oil complex device
07/02/2014CN103899279A 适于出砂产液气井柱塞举升工艺的新型柱塞 Suitable for liquid gas sand production process of the new piston plunger lift
07/02/2014CN103899278A 稠油井电热清蜡装置 Thick paraffin oil electric device
07/01/2014US8763724 Emulsion-based cleaning composition for oilfield applications
07/01/2014US8763705 Compositions and methods for cleaning a wellbore prior to cementing
06/2014
06/25/2014EP2746528A2 Sub-sea chemical injection metering valve
06/25/2014CN203669829U 采油防蜡除垢装置 Paraffin oil cleaning device
06/25/2014CN203669828U 一种钻杆刮泥器 One kind of drill pipe scraper
06/25/2014CN203669827U 橡皮筋刮泥器 Bungee scraper
06/25/2014CN203669826U 一种油田井下防蜡工具 One kind of downhole tools Wax
06/25/2014CN203669781U 一种兼具清洁环空内外管壁功能的扶正器 That is both internal and external wall cleaning function annulus centralizer
06/25/2014CN103883282A 一种防垢防锈杀菌装置 One kind of anti-rust scale sterilization device
06/25/2014CN103883281A 一种用于酸化和排酸解堵的负压解堵器 A row of acid acidification and plugging the vacuum filter plugging
06/25/2014CN103883248A 一种地热完井方法 One kind of geothermal completion methods
06/19/2014WO2014090633A1 Device and method for stimulating and cleaning a fluid-charged bore hole
06/19/2014WO2014090630A1 Device and method for well stimulation
06/19/2014WO2013190093A3 A predictive flow assurance assessment method and system
06/18/2014EP2742209A1 Fluid sample cleanup
06/18/2014CN203655240U 负压发生器 Negative pressure generator
06/18/2014CN203655239U 油田钻井疏通装置 Dredge oilfield drilling equipment
06/18/2014CN102720467B Residual acid flowback method after acid method hole-flushing in-situ leach of uranium
06/12/2014US20140158876 Methods for Analyzing Substances Containing One or More Organosulfur Compounds Using an Integrated Computational Element
06/12/2014US20140158357 Nozzle selective perforating jet assembly
06/11/2014CN203640706U 防返溢式三元油井井口加防垢剂装置 Anti-back overflow type scale inhibitor plus three yuan wellhead equipment
06/11/2014CN203640692U 新型多功能刮泥器 New multi-function scraper
06/11/2014CN102364040B Underground sleeve steel brush cleaner
06/05/2014WO2014085270A1 Latching system for well swabbing tools
06/05/2014US20140151048 Use of oligo-quaternary compositions to increase scale inhibitor lifetime in a subterranean formation
06/05/2014US20140151042 Chelate Compositions And Methods And Fluids For Use In Oilfield Operations
06/04/2014CN203626745U 多功能油井热水循环洗井装置 Multifunctional oil flushing hot water circulation device
06/04/2014CN203626744U 一种有杆泵抽油井机械式井口自动加药机构 A kind of rod pumping wells wellhead mechanical automatic dosing mechanism
06/04/2014CN203626743U 一种刮油器 One kind of scraping oil
06/04/2014CN203626742U 油井作业套管修复装置 Job well casing repair device
06/04/2014CN203626741U 配合洗井滑套使用的防垢套筒 Wash well with the use of antifouling sleeve sleeve
06/04/2014CN203626740U 油井防污染洗井装置 Oil pollution flushing device
06/04/2014CN203626739U 一种采油井解堵装置 An oil well plugging device mining
06/04/2014CN203626738U 刺枪接箍装置 Ciqiang coupling device
06/04/2014CN103835680A Underground paraffin control tool for oil field
06/03/2014CA2758583C Slickline conveyed shifting tool system
06/03/2014CA2758443C Slickline conveyed tubular cutter system
06/03/2014CA2643251C Hydrocarbon fluid compositions and methods for using same
05/2014
05/30/2014WO2014003576A3 Drill string mountable wellbore cleanup apparatus and method
05/29/2014US20140148367 Nanoparticle biocide in industrial applications
05/29/2014US20140144644 Fluid-Actuated Downhole Tool
05/29/2014US20140144618 Hydrodynamic pulse tool
05/28/2014EP2734704A1 Cleaning tool for use in boreholes and pipes
05/28/2014CN203614080U 管线手动加药装置 Pipeline manual dosing device
05/28/2014CN103821479A 具有机采井热洗时不压油层功能的装置 Apheresis device does not push the oil wells hot wash function has
05/28/2014CN103821463A 铣削除垢多用钻具 Multi-purpose cleaning milling drill
05/28/2014CN102278092B 一种用于地层含有无机垢堵塞的生物酶解堵工艺 A strata containing inorganic dirt clogging biological enzyme blocking technology
05/27/2014CA2743805C Expandable mill and methods of use
05/21/2014CN203603829U 钻具的防喷装置 The blowout preventer drill
05/21/2014CN203603815U 一种通刮一体化井下工具 One kind of scraping through the integration of downhole tools
05/21/2014CN103806871A 油气井间歇挤压缓垢处理工艺 Slow intermittent squeeze oil and gas wells scale treatment process
05/21/2014CN103806870A 分段式油管管内清洗工具 Cleaning tools within the segmented hose pipe
05/21/2014CN103806869A 油管管内清洗刀具 Tubing pipe cleaning tool
05/21/2014CN103806868A 油管快速刺洗清蜡器 Wax tubing quick stab cleared
05/20/2014US8727002 Acidic treatment fluids containing non-polymeric silica scale control additives and methods related thereto
05/20/2014CA2671526C Controlling transient pressure conditions in a wellbore
05/15/2014US20140131048 Method and Device for Supply of Liquids for Kill and Scale to a Subsea Well
05/14/2014CN203594414U 油气井刮管洗井一体化工具 Pigging flushing oil and gas wells integration tool
05/14/2014CN203594413U 用于石油固井水泥车“u”形管密度计的钻通装置 Apparatus for drilling oil well cement truck through the "u" shaped tube density meter
05/14/2014CN203594412U 一种气井专用数控电加热清蜡装置 One kind of gas for CNC electric heating wax device
05/14/2014CN103790553A 一种油井生产过程结垢的防治方法 An oil well production process control methods fouling
05/13/2014US8720570 Method of corrosion mitigation using nanoparticle additives
05/13/2014US8720558 Viscosified fluids for remediating subterranean damage
05/08/2014WO2014070864A1 Systems and methods for cleaning an inline optical fluid analyzer
05/08/2014US20140128308 Novel high uptake sulfur solvent systems and methods for making and using same
05/08/2014US20140124198 Remote Activated Deflector
05/08/2014US20140124003 Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools
05/07/2014CN203584373U 井下定量连续加药装置及采油设备 Underground quantitative continuous dosing device and production equipment
05/07/2014CN203584372U 一种用于清蜡梭抱紧簧的固定结构 Fixed structure for the shuttle to get hold spring clean wax
05/07/2014CN203584371U 一种清蜡梭 A cleaning wax shuttle
05/07/2014CN203584370U 用于清蜡梭的抱簧 Wax shuttle for holding spring
05/07/2014CN203584369U 电泵采油洗井管柱 Pump oil flushing column
05/07/2014CN103775027A 一种管路式特种亚稳合金防垢防蜡工具 One kind of special metastable alloy tubing type scale Wax Tools
05/06/2014US8714260 Multi-purpose well servicing apparatus
05/06/2014US8714259 Apparatus and methods for well-bore wall surface finishing
05/01/2014WO2014065675A1 Gas hydrate inhibitor, method and use of hyperbranched polyester polyols as gas hydrate inhibitors
05/01/2014US20140119984 Withanolide corrosion inhibitor for carbon steel
05/01/2014US20140116782 Method and apparatus for shaping a well hole
05/01/2014US20140116712 Deburring mill tool for wellbore cleaning
05/01/2014US20140116705 One Trip Packer Plug Debris Milling and Removal Method
04/2014
04/30/2014EP2723978A1 A flushing tool and method of flushing perforated tubing
04/30/2014CN203570286U Sand-prevention and paraffin-control descaler
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