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 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
06/2014
06/10/2014CA2758669C Well tubular, coating system and method for oilfield applications
06/10/2014CA2756623C Cement shoe assembly for monobore well
06/10/2014CA2756090C Rotating control head radial seal protection and leak detection systems
06/10/2014CA2624941C Pipeline assembly comprising an anchoring device
06/05/2014WO2014085314A2 Tubular connection with helically extending torque shoulder
06/05/2014WO2014085184A1 Wired pipe coupler connector
06/05/2014WO2014085183A1 Casing manipulation assembly with hydraulic torque locking mechanism
06/05/2014WO2014085180A1 Wired pipe coupler connector
06/05/2014WO2014085179A1 Transmission line for wired pipe
06/05/2014WO2014085177A1 Wired pipe coupler connector
06/05/2014WO2014085176A1 Wired pipe coupler connector
06/05/2014WO2014085175A1 Transmission line for drill pipes and downhole tools
06/05/2014WO2014085014A1 Resettable selective locking device
06/05/2014WO2014084889A1 Transmitting power within a wellbore
06/05/2014WO2014084826A1 Shearable control line connectors and methods of use
06/05/2014WO2014084823A1 Apparatus, system and method for circumferentially orienting a downhole latch subsystem
06/05/2014WO2014082886A1 Electric connecting device for wired drill pipes
06/05/2014WO2014082183A1 Tubular centralizer
06/05/2014WO2014082137A1 Fall arrester
06/05/2014WO2013171521A3 Clamp
06/05/2014US20140151130 Pipe joint having coupled adapter
06/05/2014US20140151122 Mitigation of rotational vibration using a torsional tuned mass damper
06/05/2014US20140151055 Apparatus and methods usable for connecting well equipment
06/05/2014US20140151052 Kobe sub with inflow control, wellbore tubing string and method
06/05/2014US20140151030 Method of Inserting a Fiber Optic Cable into Coiled Tubing
06/05/2014US20140151026 Casing centralizer and method of manufacturing same
06/05/2014US20140150719 Device for cleaning and doping equipment for threads
06/04/2014EP2738347A2 Pipe joint having coupled adapter
06/04/2014EP2738346A1 Electrical connecting device for wired drill pipes
06/04/2014EP2737238A1 Flexible pipe with injection tube and method for transporting a petroleum effluent
06/04/2014EP2737162A2 Method and portable apparatus for forcing a pipeline into or out of a borehole
06/04/2014EP2737161A2 Method and apparatus for forcing a pipeline into or out of a borehole
06/04/2014EP2737160A2 Traversing a travel joint with a fluid line
06/04/2014EP2737159A2 Holder for tubular drilling tools having different diameters
06/04/2014EP2737158A2 Landing string
06/04/2014EP2737157A1 Electromagnetic coupler
06/04/2014EP2737155A2 Methods of coating wellbore tools and components having such coatings
06/04/2014EP2737154A1 Drilling device and method for using the same
06/04/2014CN203626818U 压力传感器参数校正仪 Pressure sensor parameters Calibrator
06/04/2014CN203626772U 同心配水器及小井眼地面可调分层注水管柱 Concentric water distribution and adjustable slimhole ground water column stratification
06/04/2014CN203626761U 新型加药降粘空心采油管柱装置 The new production string hollow viscosity dosing device
06/04/2014CN203626758U 海洋采油立管 Marine oil riser
06/04/2014CN203626738U 刺枪接箍装置 Ciqiang coupling device
06/04/2014CN203626729U 一种稠油水平井井下套压放气阀调压装置 One kind of heavy oil horizontal well downhole casing pressure release valve regulating device
06/04/2014CN203626657U 一种钻井泵出口装置 A pump outlet means drilling
06/04/2014CN203626641U 螺旋式加重钻杆 Spiral HWDP
06/04/2014CN203626640U 施工用卡桩钻杆 Construction card pile drill
06/04/2014CN203626639U 弹簧式可重复双向换向引鞋 The spring-loaded two-way repeated commutation guide shoe
06/04/2014CN203626638U 与抽油杆配套使用的液压补偿密封节能增液装置 And supporting the use of a hydraulic rod seal compensation Zengye saving device
06/04/2014CN203626637U 一种无线随钻测量仪四翼无磁扶正器 A wireless MWD four-wing non-magnetic centralizer
06/04/2014CN203626636U 一种套装伸缩式k型井架套管扶正液压升降装置 One kind of suits telescopic mast k type hydraulic lifting device casing centralizer
06/04/2014CN203626635U 套管引接器 Casing connection of devices
06/04/2014CN203626634U 浇铸式抽油杆扶正器 Type casting rod centralizer
06/04/2014CN203626633U 设有内应力释放槽的钻杆 Has internal stress relief drill
06/04/2014CN203626632U 非标钻杆 Non-standard drill
06/04/2014CN203626631U 钻杆 Drill
06/04/2014CN203626630U 快速试压公接头 Fast pressure test male
06/04/2014CN203626629U 一种应用于大位移井钻井过程中的减扭接头 Applied to reach wells drilling process minus twist joints
06/04/2014CN203626628U 一种连续管电液控工具密封接头 A continuous tube electro-hydraulic control tool gland
06/04/2014CN203626627U 海上油井采油管柱装置 Offshore oil production string device
06/04/2014CN203626626U 油井生产管柱用换向引鞋 Well production tubing string with a commutation guide shoe
06/04/2014CN203626625U 用于小口径油井的隔热油管 Insulated tubing for small caliber wells
06/04/2014CN203626624U 一种水力喷砂射孔大排量压裂工艺管柱 One kind of large displacement hydraulic fracturing sand perforating string
06/04/2014CN203626623U 一种带自密封能力的天然气井环空保护油套管 A tape self-sealing capability to protect the oil and gas well casing annulus
06/04/2014CN203626622U 一种防止井下铝合金-碳钢管柱腐蚀损坏的结构 Structural steel column corrosion damage - an underground prevent aluminum
06/04/2014CN203625895U 一种快捷成桩搅拌桩机 A quick stir pile pile
06/04/2014CN203625892U 长螺旋冲击桩机 The impact of long spiral pile driver
06/04/2014CN203622373U 一种连续油管快速压接连接装置 A continuous tubing quick crimp connection device
06/04/2014CN103842608A Assembly for producing a threaded joint for the drilling and operation of hydrocarbon wells, and resulting threaded joint
06/04/2014CN103835667A Multifunctional digital beam hanger
06/04/2014CN103835666A Primary and secondary hole well drilling rod
06/04/2014CN103835665A Screw drill drilling, scraping and righting assembly
06/04/2014CN103835664A Drill rod for wireless electromagnetic measurement-while-drilling signal transmission dipole drill string
06/04/2014CN103835663A Anti-collision drilling assembly for vertical sections in dense cluster well groups and anti-collision method thereof
06/04/2014CN103835286A Construction method and hole forming device special for concrete cylinder body buried in soft foundation
06/04/2014CN103835285A Construction method and special hole forming machine of concrete cylinder buried in soft foundation
06/04/2014CN102828701B Wear-resisting weak-abrasiveness bionic tool joint
06/04/2014CN102654036B Threaded nipple for heavy oil thermal recovery well
06/04/2014CN102653844B Electric-resistance-welded steel pipe resisting acidic environment corrosion and preparation method thereof
06/04/2014CN102642112B Stabilizer and manufacturing method thereof
06/04/2014CN102226378B Reinforced riser pipe combined structure and construction method thereof
06/03/2014US8740259 Internally lined pipe connections and related methods of makeup
06/03/2014US8739902 High-speed triple string drilling system
06/03/2014US8739890 Mechanically activated contingency release system and method
06/03/2014US8739885 Debris barrier for hydraulic disconnect tools
06/03/2014US8739865 Flanged end ring for use with swell packers
06/03/2014CA2668263C Monopole acoustic transmitter ring comprising piezoelectric material
06/03/2014CA2625178C Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores
05/2014
05/30/2014WO2014082054A1 Stimulation and production completion system
05/30/2014WO2014081317A1 Anchor, method of installing a mid water arch with an anchor, use of an anchor, and a mid water arch system for flexible risers comprising an anchor
05/30/2014WO2014081312A1 Weak link for a riser system
05/30/2014WO2014081311A1 System and method of configuring control instructions for a tool assembly by means of machine readable component information
05/30/2014WO2014079455A1 An assembly of a flexible pipe and an end-fitting
05/30/2014WO2014003576A3 Drill string mountable wellbore cleanup apparatus and method
05/29/2014US20140145433 Tubular connection with helically extending torque shoulder
05/29/2014US20140145432 Landing pipe
05/29/2014US20140144706 Rotating continuous flow sub
05/29/2014US20140144651 Electrical tripping sub for wired drill pipes
05/29/2014US20140144650 Lockdown system for use in a wellhead assembly
05/29/2014US20140144648 Connector
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