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)
03/2012
03/28/2012CN102395746A Wired drill pipe with improved configuration
03/28/2012CN102392624A Injection-and-production-separated oil well heat-injecting oil production process and units
03/28/2012CN102392611A Threaded drill pipe without bringing out soil and pilling method without bringing out soil for simultaneously forming thread and smooth rod
03/28/2012CN102392610A Design method of sleeve eccentric guide shoe
03/28/2012CN102392609A Small-diameter oil pipe for secondary development of abandoned oil well
03/28/2012CN102392608A Screw thread provided with bionic dimpled surface for oil sleeve
03/28/2012CN102392607A Continuous heat insulating oil pipe and manufacturing method thereof
03/28/2012CN102392602A Separated orientation joint assembly for oil exploration
03/28/2012CN102094582B Processing method of bimetallic oil distributing sleeve for full-hydraulic drilling machine
03/28/2012CN101793127B Anti-tripping reverse buckling device
03/28/2012CN101429974B Flexible universal shaft
03/28/2012CN101319499B Pile forming method and device for screwed pedestal pile with large flow concrete filled by hole drilling pump
03/27/2012US8141645 Offshore gas recovery
03/27/2012US8141644 System, method, and apparatus for a corrosion-resistant sleeve for riser tensioner cylinder rod
03/27/2012US8141634 Releasing and recovering tool
03/27/2012US8141630 Sucker rod string
03/27/2012US8141629 Well string centralizer and method of forming
03/27/2012CA2692286C Connections for expandable tubulars
03/27/2012CA2639770C Friction reducing composition and method
03/27/2012CA2531364C Method of deploying and powering an electrically driven device in a well
03/22/2012WO2012034516A1 Bi-metal composite tube
03/22/2012US20120067650 Modular system of mutli-purpose rods for drilling soil
03/22/2012US20120067649 Slip free drill pipe
03/22/2012US20120067590 Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells
03/22/2012US20120067589 Riser emergency disconnect control system
03/21/2012EP2431566A1 Method for producing a drill pipe, adapter for a drill pipe and drill pipe
03/21/2012EP2430283A2 Subsea overload release system and method
03/21/2012EP2430282A1 Set for producing a threaded connection for drilling and operating hydrocarbon wells, and resulting threaded connection
03/21/2012EP2430281A1 A holding device insertable into the central bore of a tubular drill string component, and corresponding tubular drill string component
03/21/2012EP2430277A1 Offset stochastic control
03/21/2012CN202170806U 构造煤发育区钻进、增透一体化装置 Tectonic coal development zone drilling, AR Integrated Device
03/21/2012CN202170774U 卡块式快速连接装置 Card Block Quick Connect
03/21/2012CN202170771U 螺杆泵防转不压井管柱 Screw anti-rotation snubbing string
03/21/2012CN202170765U 新型全自动小鼠洞气动卡盘 New automatic small mousehole pneumatic chuck
03/21/2012CN202170763U 一种铸造型扶正电缆保护器 One kind of foundry centralizer cable protector
03/21/2012CN202170762U 井口线缆防碰装置 Wellhead cable anti-collision device
03/21/2012CN202170761U 一种钎卡机构及一种凿岩机 A flux card agencies and one kind of rock drill
03/21/2012CN202170760U 井下液压安全接头 Downhole hydraulic safety joint
03/21/2012CN202170759U 可摆不旋式抽油杆防磨活动短节 Rotating rod can be placed not wear short section activities
03/21/2012CN202170751U Handheld ground anchor drilling machine
03/21/2012CN102383749A Slurry discharging device of power head drill
03/21/2012CN102383739A Large-caliber spiral drill pipe for deep hole drill
03/21/2012CN102383738A Method and device for improving deep hole forming rate of bedding layer of coal mine
03/21/2012CN102383731A High-pressure water jet flow pore-forming tool and device and poured pile construction method
03/21/2012CN102383429A Device for sinking pile while digging soil in center of large-diameter pipe pile and use method thereof
03/21/2012CN102383040A Sleeve suitable for evaporite bed of oil well
03/20/2012US8136599 Marine riser tower
03/20/2012US8136216 Method of coupling expandable tubing sections
03/20/2012CA2617062C Bi-directional drill string telemetry system for measurement and drilling control
03/20/2012CA2566780C Polymeric composites, oilfield elements comprising same, and methods of using same in oilfield applications
03/20/2012CA2560124C Apparatus and method to connect two parts without rotation
03/20/2012CA2441368C Alternate path multilateral production/injection
03/15/2012WO2012034004A2 Rigid hull gas-can buoys variable buoyancy
03/15/2012WO2012033829A1 Apparatus and method for lateral well drilling
03/15/2012WO2012033819A1 Apparatus and methods for lateral drilling
03/15/2012WO2012033500A1 Stop collar for tubulars
03/15/2012US20120061098 Downhole device
03/15/2012US20120061076 Stop Collar for Tubulars
03/15/2012CA2811082A1 Rigid hull gas-can buoys variable buoyancy
03/15/2012CA2810970A1 Arrangement at a rock drill and a rock drill
03/14/2012EP2428638A2 Low-clearance centralizer and method of making centralizer
03/14/2012EP2428637A2 Expandable centralizer for expandable pipe string
03/14/2012EP2427623A1 Guiding device for rock drilling machine
03/14/2012CN202165055U 地面驱动单螺杆泵井下油水分离同井采注装置 Ground-driven single screw downhole oil-water separation equipment with well taken note
03/14/2012CN202165032U 硬质排渣面双螺旋防突钻杆 Hard slagging face the double helix outburst prevention drill
03/14/2012CN202165031U 一种旋挖钻机用钻斗 One kind of rotary drilling rig with drilling bucket
03/14/2012CN202165030U 内环拧紧器 Tighten the inner filter
03/14/2012CN202165029U 一种自旋式油管保护扶正装置 One kind of spin-Tubing protection righting device
03/14/2012CN202165028U 石油表层套管的塑钢接箍 Oil surface casing of steel couplings
03/14/2012CN202165027U 一种定向穿越用钻杆 Used as a directional drill crossing
03/14/2012CN202165026U 一种井下工具管接头的密封结构 A sealing structure for a pipe joint of the downhole tool
03/14/2012CN202165025U 一种抗疲劳钻铤螺纹 An anti-fatigue drill collar thread
03/14/2012CN202165024U 提拉式安全接头 Thira safety fittings
03/14/2012CN202165023U 煤层气开采用玻璃钢套管 CBM fiberglass sleeve
03/14/2012CN202165022U 一种抗弯曲的油管螺纹连接结构 An anti-bent tubing threaded connection
03/14/2012CN202165010U 一种煤矿钻机 One kind of mine rig
03/14/2012CN102373889A Anti-drop centralizer
03/14/2012CN102373888A Sleeve floating coupling and well cementing method
03/14/2012CN102373887A Drill rod and manufacture method thereof
03/14/2012CN102373374A High strength sulfur resisting casing pipe and its heat treatment manufacturing method
03/13/2012CA2540972C Method for interconnecting electrical conduits in a borehole
03/13/2012CA2509079C System for use in a bore hole for axially coupling a tubular end and a mandrel, and a connecting assembly for such a system
03/13/2012CA2437513C Multilateral well completion
03/09/2012CA2751928A1 Self-orientating fracturing sleeve and system
03/08/2012WO2012028864A2 Non-threaded drill pipe connection
03/08/2012WO2012028838A2 Releasable connector assembly for tubing and tool deployment system
03/08/2012WO2012028692A1 Polymer film for the conditioning of oil extraction pipes
03/08/2012WO2012028365A1 Protector for an oil extraction pipe
03/08/2012WO2012028259A1 An anti-locking device for use with an arm system for logging a wellbore and method for using same
03/08/2012WO2012028258A1 An arm system for logging a wellbore and method for using same
03/08/2012WO2012027838A1 Floating sub tool
03/08/2012WO2011123875A3 Two-part drilling tool for the percussive or rotary percussive drilling of holes in soil material or rock material
03/08/2012CA2772895A1 Floating sub tool
03/07/2012CN202157760U 一种降低滑动导向钻进粘阻的钻具组合 A method of reducing the resistance of the sliding guide drilling BHA stick
03/07/2012CN202157759U 抽油杆防偏磨装置 Anti-bias rod mill equipment
03/07/2012CN202157758U 偏心式滚轮套管刚性扶正器 Eccentric wheel rigid casing centralizer
03/07/2012CN202157757U 整体式滚轮扶正器 Integral roller centralizer
03/07/2012CN202157756U 旋转连接钻杆接头 Rotary tool joint connection
03/07/2012CN202157755U 高压输水钻杆与水力自旋式切割头的连接结构 High-pressure water hydraulic drill pipe and connecting structure cutting head spin
03/07/2012CN202157754U 一种油田井下用高压玻璃钢管接头 One kind of downhole high pressure FRP pipe fittings
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