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)
07/2012
07/11/2012CN202325278U 井口三通 Wellhead tee
07/11/2012CN202325277U 油水井防砂管柱内分段均匀酸化管柱 Oil wells in the sand evenly segmented string column acidification
07/11/2012CN202325276U 一种带芯片的智能钻杆 An intelligent drill with chip
07/11/2012CN202325275U 一种新型智能套管 A new intelligent casing
07/11/2012CN202325274U 可测孔深的大通孔有线钻杆 Chase hole depth can be measured wired drill hole
07/11/2012CN202325273U 注水井可测试尾管 Injection wells to test the tailpipe
07/11/2012CN202325272U 一种新型真空双空心抽油杆 A new vacuum double hollow rod
07/11/2012CN202325242U 模块式多用途无磁导向钻头 Modular multi-purpose non-magnetic drill guide
07/11/2012CN202325231U 可防止卡钻的潜孔钻机钻具 Prevents sticking DTH drill rig
07/11/2012CN102567591A Modeling method for threaded joint of oil casing
07/11/2012CN102562027A Plate type centering device with controllable outer diameter and manufacturing method of plate type centering device
07/11/2012CN102562016A Heavy oil thermal recovery process method
07/11/2012CN102562015A Auger for gas and liquid recovery from regolith
07/11/2012CN102562009A Efficient open water riser deployment
07/11/2012CN102561998A Gas extraction bored well and forming method
07/11/2012CN102561974A Active casing hanger hook mechanism
07/11/2012CN102561956A Special round threaded joint of oil casing
07/11/2012CN102561955A Thread protector for drilling rig
07/11/2012CN102561945A Drilling rig with intelligent flexible pipe
07/11/2012CN102561325A Pile-forming drilling tool
07/11/2012CN102561324A Construction method for making piles of short pile machine with adjustable arm support in rotary drill mode
07/11/2012CN102002941B Large-aperture long screw rig, reinforcement cage concreting device and fabricating method of large-aperture deep pile
07/11/2012CN101775963B Nylon66-packaged ceramic pellet centering guide
07/10/2012US8215386 Downhole tool releasing mechanism
07/10/2012US8215383 Stress and torque reducing tool
07/10/2012CA2629275C System and method for making drilling parameter and/or formation evaluation measurements during casing drilling
07/05/2012WO2012092029A2 Drill rod guide
07/05/2012WO2012091983A2 Secondary flow path module, gravel packing system including the same, and method of assembly thereof
07/05/2012WO2012091981A2 Boron shaped charge
07/05/2012WO2012089305A1 Threaded connection for drilling and working hydrocarbon wells
07/05/2012WO2012089304A1 Process for coating a threaded tubular component, threaded tubular component and resulting connection
07/05/2012WO2012063036A3 Riser assembly and method
07/05/2012WO2012063035A3 Riser support
07/05/2012US20120168230 Guiding device for a drilling device
07/05/2012US20120168229 Expandable downhole tool apparatus
07/05/2012US20120168227 Drill rod guide
07/05/2012US20120168181 Conformable inflow control device and method
07/05/2012US20120168176 Downhole Tool With Roller Screw Assembly
07/05/2012US20120168172 Riser Connector
07/05/2012US20120168149 Progressive Cavity Pump Rod Guide
07/05/2012DE102010056355A1 Device for centering borehole heat exchanger in borehole, has spacer elements for centrically supporting pipe bundle within borehole and attached at sections of carrier element, where sections do not lie at one of pipelines
07/05/2012CA2823033A1 Drill rod guide
07/05/2012CA2822504A1 Threaded connection for drilling and working hydrocarbon wells
07/05/2012CA2822503A1 Process for coating a threaded tubular component, threaded tubular component and resulting connection
07/04/2012EP2470745A2 Flexible catenary riser having distributed sag bend ballast
07/04/2012EP2470744A1 Drill string component for noise control during percussion drilling
07/04/2012CN202300319U 稠油开采用空心抽油杆电加热体 Heavy open hollow body electric heating rod
07/04/2012CN202300276U 软管随动调偏光杆密封器 Hose follower rod seal tune polarizing filter
07/04/2012CN202300273U 一种液体回收器 A liquid collector
07/04/2012CN202300256U 一种动力头钻机的排浆装置 A power head drilling rig slurry discharge device
07/04/2012CN202300234U 组合式钻具 Combined drill
07/04/2012CN202300233U 一种可防斜钻铤 One kind can prevent oblique drill collars
07/04/2012CN202300232U 分瓣式抽油杆扶正器 Split-type rod centralizer
07/04/2012CN202300231U 锥管锁紧型扶正器 Cone locking type centralizer
07/04/2012CN202300230U 抽油机井光杆纠偏装置 Rod pumping wells corrective devices
07/04/2012CN202300229U 自修正杆管耐磨器 Since the correction rod tube wearable device
07/04/2012CN202300228U 一种防脱落扶正器 An anti-shedding centralizer
07/04/2012CN202300227U 一种耐高温、耐磨空心杆扶正器 A high temperature, wear-resistant hollow rod centralizer
07/04/2012CN202300226U 新型石油套管接箍 The new oil casing collar
07/04/2012CN202300225U 带应力减轻槽的高抗扭钻杆螺纹接头 With high torsional strain relief slot drill pipe threaded joints
07/04/2012CN202300224U 一种高密封防胀扣钻杆接头 A high-buckle tool joints sealed against inflation
07/04/2012CN202300223U 多功能抽油杆短接 Multifunction sucker shorting
07/04/2012CN202300222U 一种高强度小泵脱接器 A high-intensity small pump off connector
07/04/2012CN202300221U 裸眼水平井控水采油管柱 Openhole horizontal well production string and water control
07/04/2012CN202300220U 一种高速上扣螺纹接头 A high speed on the buckle threaded joints
07/04/2012CN202300219U 圆角等边高强防突钻杆 Rounded equilateral sudden high-strength anti-drill
07/04/2012CN202300218U 一种扩孔式预应力锚索钻头装置 One kind of prestressed anchor reaming drill bit device
07/04/2012CN202300217U 一种三棱钻杆 One kind of triangular drill
07/04/2012CN202300216U 一种井下管柱解封用连接装置 A downhole string re-opened with a connecting device
07/04/2012CN202300215U Large-specification low-carbon micro-alloy steel continuous oil pipe
07/04/2012CN102549232A A cable bypass and method for controlled entry of a tubing string and a cable adjacent thereto
07/04/2012CN102549231A Method and system for transferring signals through a drill pipe system
07/04/2012CN102536304A High-pressure rotating sealed water delivery device
07/04/2012CN102536212A Coupling alarming device
07/04/2012CN102536175A Gas handler, riser assembly, and method
07/04/2012CN102536164A Ultrahigh-temperature well completion technology
07/04/2012CN102536135A Bellows type adjustable casing
07/04/2012CN102536134A Centralizer for underground probe type measuring instrument
07/04/2012CN102536133A Hydraulic casing pipe centering device
07/04/2012CN102536132A Drilling tool joint convenient for inclinometry operation
07/04/2012CN102536131A Ground drill buffering mechanism
07/04/2012CN102536130A Rotation type joint device for drilling machine
07/04/2012CN102536129A Quick connector used for intelligent flexible pipe drilling device
07/04/2012CN102536112A Sealable screw drill transmission shaft
07/04/2012CN102535445A Molding device and molding method for long spiral extruding rock-entering cast-in-place pile
07/04/2012CN102534372A Preparation method of P110-grade expansion tube for exploiting petroleum and gas
07/04/2012CN102534166A Preparation method of J55-grade steel ERW (electric resistance welding) expansion pipe with high diameter expansion performance
07/04/2012CN101839113B Underground deviation-correcting energy extraction device
07/04/2012CN101812975B Anti-icing conductor tube composite structure
07/04/2012CN101737005B Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing
07/04/2012CN101699022B Circular ring type oil pumping rod centering device
07/04/2012CN101696633B Construction method and equipment for cutting deep-buried structure with small-caliber drill tool
07/04/2012CN101666209B Variable volume screw-bushing pair for screw drilling tools
07/04/2012CN101586451B Erection device
07/04/2012CN101539010B Thermal-prestressed fusion casing for heavy-oil thermal recovery process, and using method thereof
07/04/2012CN101501293B Apparatus and method for controlling motion of a bend stiffener
07/04/2012CN101481999B Drilling rod with asymmetric special-shaped cross section
07/04/2012CN101387188B Suppressing vibration method for marine riser vortex-induced vibration and suppressing vibration apparatus thereof
07/04/2012CA2743691A1 Progressive cavity pump rod guide
07/03/2012US8210282 System and method for preventing slippage and rotation of component alone a tubular shaft
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