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
05/29/2014US20140144620 Electrostatically coated composites
05/29/2014US20140144614 Wired pipe coupler connector
05/28/2014EP2734701A1 Methods and apparatus for increasing the reach of coiled tubing
05/28/2014CN203614096U 探杆及全吸减震装置 Probe and full absorption damping device
05/28/2014CN203614061U 一种钻机限位、换杆及排碴导向装置 One kind of rig limit, for rods and discharge ballast guide
05/28/2014CN203614055U 双管内管定位分层注水管柱 Double tube inner tube water column stratification positioning
05/28/2014CN203614054U 钻井下套管用井口扶正装置 Under the well casing centralizer device with a wellhead
05/28/2014CN203614053U 一种套管扶正器短节 A short section of casing centralizer
05/28/2014CN203614052U 一种自锁式螺纹接头 A self-locking threaded joint
05/28/2014CN203614051U 一种大螺距套管螺纹接头 One kind of big pitch casing threaded joints
05/28/2014CN203614050U 一种水平井套管头处油层套管丝扣保护装置 A horizontal oil well casing at the head of the threaded sleeve protector
05/28/2014CN203614049U 套管防磨接头 Casing wear fittings
05/28/2014CN203614048U 一种注水管防爆套管 An injection pipe explosion-proof casing
05/28/2014CN203614047U 双锥面卡台钻杆 Biconical surface drill card sets
05/28/2014CN203614046U 一种切削钻机钻杆及连接装置 A cutting drill rod and connecting device
05/28/2014CN203614031U 一种双速、双扭矩履带式液压切削钻机 A two-speed, dual-torque crawler hydraulic cutting rig
05/28/2014CN103827437A 包括信息模块的抽取组件 Including extracting component information module
05/28/2014CN103821472A 膨胀管用可捞底堵及打捞工具 Expansion works can block bottom fishing and fishing tools
05/28/2014CN103821463A 铣削除垢多用钻具 Multi-purpose cleaning milling drill
05/28/2014CN103821462A 一种断杆连接器 One kind of off shaft connector
05/28/2014CN103821461A 鱼鳍式自旋转防偏磨抽油杆 Self rotating fin sucker rod
05/28/2014CN103821460A 一种用于高含硫天然气井的保温智能防腐油管 Smart corrosion pipe insulation for high-sulfur gas wells
05/28/2014CN103820714A 高强度高韧性抗CO<sub>2</sub>腐蚀套管及其制备方法 High strength and toughness anti-CO <sub> 2 </ sub> casing corrosion and its preparation method
05/28/2014CN102425376B 一种旋挖钻机用的钻具及包括该钻具的旋挖钻机 One kind of rotary drilling rig with drilling and include the drilling of rotary drilling rig
05/28/2014CN102155170B 立管的分离和支承机构 Separation and support mechanism risers
05/28/2014CN101680275B 具有轴颈的导杆接头 Guide rods have spigot joints
05/27/2014US8736821 System and method for monitoring bending of a flexible riser
05/27/2014US8734055 Method for assembling an operating rig for a fluid in a body of water and associated operating rig
05/27/2014US8733456 Apparatus and methods for multi-layer wellbore construction
05/27/2014US8733455 Roller standoff assemblies
05/27/2014US8733452 Riser section connector with flanges and external locking ring
05/27/2014US8733451 Locking safety joint for use in a subterranean well
05/27/2014US8733447 Landing string compensator
05/27/2014CA2795478C A drill bit assembly having aligned features
05/27/2014CA2733515C Umbilical field connect
05/27/2014CA2710857C Wellbore pipe centralizer having increased restoring force and self-sealing capability
05/27/2014CA2630589C Threaded connections with high and low friction coatings
05/27/2014CA2576538C Improved hollow sucker rod connection with second torque shoulder
05/22/2014WO2014077830A1 Assisting retrieval of a downhole tool
05/22/2014WO2014077800A1 Collet lock assembly and method for downhole load diversion
05/22/2014WO2014076481A2 Roller device
05/22/2014WO2014075190A1 Electromagnetic telemetry gap sub assembly with insulating collar
05/22/2014WO2013101925A3 Downhole cutting tool
05/22/2014US20140138096 Slip joint and method of operating a slip joint
05/21/2014EP2732123A2 Down-hole swivel sub
05/21/2014CN203604138U 串联式注采泵 Tandem pump injection -
05/21/2014CN203603798U 钻杆冷组装用内冷却装置 Assembling drill cold cooling means
05/21/2014CN203603795U 一种鼠洞钻水泥设备 One kind of rat hole drilling cement equipment
05/21/2014CN203603786U 尾椎扶正器 Caudal centralizer
05/21/2014CN203603785U 连续油管过井口扶正装置 Coiled tubing over the wellhead righting device
05/21/2014CN203603784U 一种保护环 A protective ring
05/21/2014CN203603783U 双线螺纹特殊扣 Double thread special deduction
05/21/2014CN203603782U 工程钻机用的多键传扭装置 Multi-key transfer device engineering drill with twist
05/21/2014CN203603781U 一种无磁钻具抗磨接头 A non-magnetic drill wear fittings
05/21/2014CN203603780U 一种油井用安全接头 One kind of oil well safety joint
05/21/2014CN203603779U 一种铰接式万向轴 One kind of articulated universal shaft
05/21/2014CN203603778U 铝合金钻杆接头热组装内冷却系统 Aluminum alloy drill pipe joints assembled within the thermal cooling system
05/21/2014CN203603777U 牙轮钻机钻杆固定装置 Cone drill rig fixtures
05/21/2014CN203603776U 一种可拆分使用的钻杆装置 An apparatus used drill pipe can be split
05/21/2014CN203603775U 快速恢复水平防砂失效井产能的分段开采工艺管柱 Failure to quickly restore the level of well productivity sand mining technology segment column
05/21/2014CN103806933A 高应力松软突出煤层开采方法 High stress soft prominent seam mining method
05/21/2014CN103806848A 钻柱防磨装置 Drillstring wear devices
05/21/2014CN103806847A 耐磨防腐抽油杆接箍 Corrosion resistant rod coupling
05/21/2014CN103806846A 防腐耐磨抽油光杆 Corrosion resistant shiny rod pumping
05/21/2014CN103805859A 一种高抗硫的石油钻杆 A highly anti-sulfur oil drill
05/21/2014CN103805858A 一种油井用马氏体不锈钢管 Martensitic stainless steel tube with a hydrocarbon well
05/21/2014CN103805857A 一种油井用马氏体不锈钢管的制备方法 An oil well with the preparation of martensitic stainless steel tube
05/20/2014US8727022 Systems and methods of supporting a multilateral window
05/20/2014US8727014 Workover riser compensator system
05/20/2014CA2757380C Surface communication apparatus and method for use with drill string telemetry
05/20/2014CA2623976C A device for cleaning and doping equipment for threads
05/20/2014CA2557419C For downhole reciprocating pumps, a no tap tool with a clutch
05/15/2014WO2014074447A1 Broach style anti rotation device for connectors
05/15/2014WO2014071494A1 Universal downhole probe system
05/15/2014WO2014044774A3 Method for connecting a drill head to a drill pipe and device for holding a drill head
05/15/2014WO2013121231A3 Downhole tool and method
05/15/2014WO2013040588A3 Rotary actuated axial clamp
05/15/2014US20140131112 Apparatus for Keeping a Downhole Drilling Tool Vertically Aligned
05/15/2014US20140131106 Rotary steerable drilling apparatus
05/15/2014US20140131098 Method For Motion Compensation Using Wired Drill Pipe
05/15/2014US20140131052 Integrated casing drive
05/15/2014US20140131050 Method of making and using a functionally gradient composite tool
05/14/2014EP2729655A2 Inductive connection
05/14/2014EP2729654A1 Extraction assembly including an information module
05/14/2014EP2729541A2 Methods of forming protecting coatings on substrate surfaces and devices including such protective coatings
05/14/2014CN203594434U 分层解堵开关及分层解堵管柱 Layered switch and plugging plugging column stratification Solutions
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
05/14/2014CN203594379U 超短半径钻完井专用柔性单元 Dedicated short radius drilling and completion flexible unit
05/14/2014CN203594378U 防磨接头 Wear fittings
05/14/2014CN203594377U 连续油管重力钻具 Coiled tubing drilling gravity
05/14/2014CN203594376U 油管接箍处扳扣式线缆保护器 Pull the button at the tubing coupling cable protector
05/14/2014CN203594375U 地面液控式分层采油管柱 Ground pilot type layered production string
05/14/2014CN203594374U 油井管道 Oil pipeline
05/14/2014CN203594373U 高温高压油管补偿器 High temperature and high pressure tubing compensator
05/14/2014CN203594372U 用于实时探测钻孔内温度的钻具 Drilling tools for real-time detection of borehole temperature
05/14/2014CN203594371U 一种刚性套管 A rigid casing
05/14/2014CN203594370U 内置仪器式测试管柱 Built-string instrument type test
05/14/2014CN203594367U 螺旋半挤土排土钻具 Dump half spiral drill soil compaction
05/14/2014CN103797210A 用于在柔性立管的环空内循环流体的方法、系统和设备 For flexible riser annulus fluid inside the loop method, system and apparatus
05/14/2014CN103797209A 带有流体激活区的钻杆柱元件 The drill string element with the active region of the fluid
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