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)
05/2014
05/14/2014CN103797208A 具有可替换的工具接头的钻管 Tool having a replaceable drill pipe joints
05/14/2014CN103797207A 井下测量仪器组件 Downhole measurement equipment components
05/14/2014CN103790562A 热采水平井专用套管弯矩补偿器 Horizontal well casing dedicated thermal recovery moment compensator
05/14/2014CN103790524A 激动压力控制短节 Short excitement pressure control section
05/14/2014CN103790523A 一种用于海上采油的工艺管柱 A process for offshore oil column
05/14/2014CN103790522A 地热专用强度管 Geothermal special strength of the tube
05/14/2014CN103789685A 一种高强度、高韧性石油钻杆及其生产方法 A high-strength, high toughness drill pipe and production method
05/14/2014CN103789662A 一种油井用膨胀钢管 One kind of oil well pipe expansion
05/14/2014CN103789523A 提高天井钻杆扭矩和耐磨性的方法及天井钻杆 Patio drill torque and improve wear resistance methods and patio drill
05/14/2014CN102567591B 油套管螺纹接头建模方法 Oil casing threaded joint modeling approach
05/14/2014CN102213074B 一种回转冲击式凿岩钻机及双层钻杆机构 One kind of rotary percussion drilling rig and double drill agencies
05/14/2014CN102203375B 井流动控制系统和方法 Well flow control system and method
05/13/2014US8720583 Telescopic joint mini control panel
05/13/2014US8720578 Telescoping orientation joint
05/13/2014US8720577 Downhole swivel apparatus and method
05/13/2014CA2756093C Rotating control head radial seal protection and leak detection systems
05/12/2014CA2832828A1 Electrical isolation connection for electromagnetic gap sub
05/08/2014WO2014070665A1 System and method for activating a down hole tool
05/08/2014WO2014070552A1 Pressure activated down hole systems and methods
05/08/2014WO2014070295A1 System for obstacle avoidance during hydrocarbon operations
05/08/2014WO2014070148A1 Enhanced plastering effect in borehole drilling
05/08/2014WO2014067730A1 Stabilizer device for bottom hole assembly
05/08/2014WO2014066972A1 Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement
05/08/2014WO2013191974A3 Instrumented drilling system
05/08/2014WO2013133914A3 Composite centralizer with expandable elements
05/08/2014US20140124269 Centralizer for downhole probes
05/08/2014US20140124221 Method and Device for Connecting a Pipe to a Confinement of a Subsurface Borehole
05/08/2014US20140124219 Systems and methods for locking swivel joints when performing subterranean operations
05/08/2014US20140124217 Method and apparatus for storing cable in a wellbore
05/08/2014US20140124199 Tubular Assembly and Method of Deploying A Downhole Device Using A Tubular Assembly
05/07/2014CN203584330U 一种新型减摩防曲的连续油管 A new anti-friction reduction coiled tubing song
05/07/2014CN203584329U 背钳扶正装置 Back tongs righting device
05/07/2014CN203584328U 抽油机井口扶正器 Pumping wellhead centralizer
05/07/2014CN203584327U 钻头稳定器 Bit stabilizer
05/07/2014CN203584326U 一种卡瓦套 One kind of kava sets
05/07/2014CN203584325U 一种新型油气井管 A new tube wells
05/07/2014CN203584324U 电潜泵气锁油井生产管柱优化装置 ESP airlock oil production string to optimize device
05/07/2014CN203584323U 智能钻杆系统 Intelligent drill system
05/07/2014CN203584322U 扰流套管 Spoiler sleeve
05/07/2014CN203584298U 用于软煤岩钻进双通道多孔紊流卸压钻具 For soft coal and rock drilling Dual porous turbulent relief drill
05/07/2014CN103781988A 整体式耐磨垫及制造方法 Integral wear pad and method of manufacture
05/07/2014CN103781987A 立管组件及方法 Riser assembly and method
05/07/2014CN103775044A 一种治理sagd注采水平井前端汽窜的管柱及工艺方法 A governance sagd injection and production tubing string and the front-end process for steam channeling of horizontal wells
05/07/2014CN103775006A 井下随钻遥控伸缩钻铤 Downhole drilling remote control retractable drill collars
05/07/2014CN103775005A 煤层气井用抽油杆防偏磨装置 CBM wells with rod eccentric wear prevention device
05/07/2014CN103775004A 防止双向液压减震器退扣的方法及减震器 Prevent two-way hydraulic shock absorbers and dampers way back buckle
05/07/2014CN103775003A 一种降低气体钻井钻进摩阻的装置 A gas drilling drilling device reduces friction
05/07/2014CN103775002A 一种大规格钻杆及其制造方法 One kind of large-sized drill pipe and its manufacturing method
05/07/2014CN103775001A 用于径向水平井钻井的柔性钻杆 Radial horizontal drilling for flexible drill
05/07/2014CN103775000A 底臌防治锚管钻机 Prevention of Heave anchor pipe rig
05/07/2014CN103774990A 用于控制在地球地层中钻井眼用的钻井系统的系统和方法 System and method for controlling drilling in earth formations ophthalmic the drilling system
05/07/2014CN102678044B 一种钻井杆及脉冲等离子体钻机系统 One kind of drilling rig rods and pulsed plasma system
05/07/2014CN102635315B 一种带修孔钻头的接头 A tape repair joint drill hole
05/06/2014US8714935 Method of running a down hole rotary pump
05/06/2014US8714864 Inside wrap post coupler with assembly assist
05/06/2014US8714284 Weight-on-bit drill sub
05/06/2014US8714282 Hand-held power tool
05/06/2014US8714269 Hydraulically actuated standoff
05/06/2014US8714263 Lightweight and compact subsea intervention package and method
05/06/2014US8714260 Multi-purpose well servicing apparatus
05/01/2014WO2014065814A1 Mechanically actuated device positioned below mechanically actuated release assembly utilizing j- slot device
05/01/2014WO2014065677A1 A centralisation system
05/01/2014WO2013095887A3 Wedge ring for attaching centralizers
05/01/2014WO2013070448A3 Apparatus and method of forming a plug in a wellbore
05/01/2014US20140116777 Resonance enhanced rotary drilling module
05/01/2014US20140116725 Tubular Member Coupling and Lining Systems and Methods
05/01/2014CA2830387A1 Tubular member coupling and lining systems and methods
04/2014
04/30/2014EP2725186A1 Sheath for incorporating an optical fibre in a flexible pipe
04/30/2014EP2724853A1 Flexible pipe body layer and method of producing same
04/30/2014EP2723971A2 Tool and method for locking and releasing a plug
04/30/2014EP2723970A2 Tubular device with radiofrequency communication for well head
04/30/2014CN203570301U Optionally bent weighing rod
04/30/2014CN203570282U Deepwater underwater on-line piping system
04/30/2014CN203570225U Anti-eccentric device for coiled tubing
04/30/2014CN203570224U Foldable straightening table for casing running
04/30/2014CN203570223U Wellhead pipe bi-directional centering device
04/30/2014CN203570222U Wellhead pipe centering device
04/30/2014CN203570221U Quick connection end plug
04/30/2014CN203570220U Safety joint for oil producing well
04/30/2014CN203570219U Quick pressure test female joint
04/30/2014CN203570218U Spherical hinge type sucker rod disengagement-preventing connecting device
04/30/2014CN203570217U Rotation type disengagement-prevention sucker rod coupling
04/30/2014CN203570216U Multi-cambered surface rotator sucker rod coupling
04/30/2014CN203570215U Efficient and energy-saving compensating device
04/30/2014CN203570196U Slurry pumping type well sinking device
04/30/2014CN103758507A Signal transmission structure and method of drill pipe
04/30/2014CN103758466A Righting paraffin scraping oil guide sucker rod coupling
04/30/2014CN103758465A Drill rod for coal mine underground gas extraction drill hole protection
04/30/2014CN103758454A Pore forming, pit building, powder stamping and pressure relief integrated device in soft coal development area
04/30/2014CN102720443B Sucker rod centering guide convenient for installation
04/30/2014CN102245853B Flexible pipe
04/30/2014CN102066689B Pressure orienting swivel
04/30/2014CN101994485B Thermoplastic oil delivery pipeline system
04/29/2014US8708067 Drill pipe
04/29/2014US8708066 Dual BHA drilling system
04/29/2014US8708053 Riser installation from offshore floating production unit
04/29/2014US8708052 Riser lifecycle management system, computer readable medium and program code
04/29/2014CA2734376C Well assembly with a millable member in an opening
04/29/2014CA2734196C Well assembly with recesses facilitating branch wellbore creation
04/29/2014CA2734045C Offset joint for downhole tools
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 278