| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 01/07/2015 | CN104265191A Ttgm-7 直连型特殊螺纹结构油套管 Ttgm-7 directly coupled to the special structure of the oil casing thread |
| 01/07/2015 | CN104265190A Ttgm-4 特殊螺纹结构油套管接箍 Ttgm-4 special thread structure oil casing coupling |
| 01/07/2015 | CN104265189A 用于钻具卡接的弹卡室结构 For drill snap elastic card room structure |
| 01/07/2015 | CN104265188A 一种智能转换接头 An intelligent adapter |
| 01/07/2015 | CN104265187A 扩孔钻具 Reaming drill |
| 01/07/2015 | CN104265186A 一种保护油管、套管内壁的阴极保护装置及制作方法 A pipeline cathodic protection device and method of making the casing wall protection |
| 01/07/2015 | CN104265185A 一种三级油管柱设计方法及装置 Of a three-tubing string design method and apparatus |
| 01/07/2015 | CN104265184A 一种智能在线钻杆 An intelligent line drill |
| 01/07/2015 | CN104265181A 液力抗冲击螺杆钻具 Hydraulic impact screw drill |
| 01/07/2015 | CN104265175A 新型扩孔器 The new reamer |
| 01/07/2015 | CN104265172A 用于旋转导向钻井工具的万向联轴机构 Universal coupling mechanism for rotary steerable drilling tool |
| 01/07/2015 | CN104265158A 岩石钻机 Rock drill |
| 01/07/2015 | CN103114292B 激光熔敷多元共渗复合处理的油井管、生产工艺及装置 Laser cladding penetration to complex processing OCTG, production processes and devices |
| 01/07/2015 | CN102808583B 水文勘探钻孔井管、煤矿开采下管方法及水文勘探方法 Hydrological exploration boreholes pipe, pipe under coal mining methods and hydrological exploration methods |
| 01/07/2015 | CN102187049B 用于钻杆组件的超低摩擦覆层 Ultra-low friction coatings for drill stem assemblies |
| 01/06/2015 | US8925975 Set for producing a threaded connection for drilling and operating hydrocarbon wells, and resulting threaded connection |
| 01/06/2015 | US8925627 Coiled umbilical tubing |
| 01/06/2015 | CA2749606C Non-rotating casing centralizer |
| 01/01/2015 | US20150001841 Threaded joint for pipes |
| 01/01/2015 | US20150000987 Stabilizer |
| 01/01/2015 | US20150000925 Riser assembly from a vessel and on a seabed |
| 12/31/2014 | CN204060647U 一种新型油田采油管柱 A new oilfield string |
| 12/31/2014 | CN204060576U 一种水平井防漏失双层油管隔离循环机构 A horizontal well tubing leak failure isolation double loop agency |
| 12/31/2014 | CN204060553U 用于软煤岩钻进卸压护孔钻杆 For soft coal and rock drill hole drilling relief care |
| 12/31/2014 | CN204060552U 能有效清除岩屑床的钻杆 Can effectively remove drill cuttings bed |
| 12/31/2014 | CN204060551U 一种韧性陶瓷扶正器 A tough ceramic centralizer |
| 12/31/2014 | CN204060550U 油气井生根套管井口扶正装置 Oil and gas well casing wellhead rooting righting device |
| 12/31/2014 | CN204060549U 井口盘根调偏扶正器 Wellhead packing detuning centralizer |
| 12/31/2014 | CN204060548U 一种非金属整体筒式井下管柱保护器 A nonmetallic whole barrel downhole string protectors |
| 12/31/2014 | CN204060547U 一种油气井用整体连接套管组件 One kind of oil and gas wells with overall connection sleeve assembly |
| 12/31/2014 | CN204060546U 一种油田用套管接头 One kind of oilfield casing joints |
| 12/31/2014 | CN204060545U 一种特殊扣 A special deduction |
| 12/31/2014 | CN204060544U 减震装置、钻杆和旋挖钻机 Shock absorber, drill and rotary drilling rig |
| 12/31/2014 | CN204060543U 抗扭石油钻杆接头 Torsional drill pipe joints |
| 12/31/2014 | CN204060542U 一种大口径高承载力探矿钻杆螺纹 One kind of large diameter high load capacity prospecting drill thread |
| 12/31/2014 | CN204060541U 液压式抽油杆防脱扣固定装置 Hydraulic rod anti-tripping fixtures |
| 12/31/2014 | CN204060540U 一种双层油管隔离转向接头 A two-layer tubing isolation steering joint |
| 12/31/2014 | CN204060539U 油井井口不停产快速连接装置 Wellhead not stop quick connect device |
| 12/31/2014 | CN204060538U 耐磨加重钻杆 Wearable HWDP |
| 12/31/2014 | CN204060537U 干式内排粉钻杆 Dry powder inside row drill |
| 12/31/2014 | CN204060536U 一种微桩钻机变幅回转机构的连接机构 A micro pile connecting mechanism rig luffing slewing mechanism |
| 12/31/2014 | CN204060535U 一种插装式钻井隔水管终端适配单根 One kind of plug-drilling riser single terminal adapter |
| 12/31/2014 | CN204060534U 一种等径中心孔螺旋式圆弧形三棱钻杆 One kind of equal diameter center hole rounded triangular spiral drill |
| 12/31/2014 | CN204060533U 热熔包裹防腐耐磨抽油杆 Corrosion resistant rod hot melt inclusions |
| 12/31/2014 | CN204060532U 油田钻井用下套管装置 Oilfield drilling equipment casing |
| 12/31/2014 | CN204060506U 一种用于钻探机的螺套传动装置 Lo sets of gear for a drilling machine |
| 12/31/2014 | CN104254723A 柔性管体和方法 The flexible pipe body and a method |
| 12/31/2014 | CN104254661A 钻井方法 Drilling method |
| 12/31/2014 | CN104251123A 一种可重复使用的防冰护管 An anti-icing reusable protective tube |
| 12/31/2014 | CN104251122A 非开挖水平定向钻电钻杆 Trenchless horizontal directional drilling electric drill |
| 12/31/2014 | CN102966304B 泥浆护壁空气潜孔锤钻具及钻井工艺 Slurry Wall DTH hammer drilling and drilling technology |
| 12/31/2014 | CN102852515B 机械式水平井套管错断偏心定位检测器 Mechanical horizontal well casing dislocation eccentric position detector |
| 12/30/2014 | US8922387 Tapered thread EM gap sub self-aligning means and method |
| 12/30/2014 | US8921692 Umbilical for use in subsea applications |
| 12/30/2014 | US8919824 Threaded thin-walled drill tube joint |
| 12/30/2014 | US8919461 Well tool having a nanoparticle reinforced metallic coating |
| 12/30/2014 | US8919448 Modular stress joint and methods for compensating for forces applied to a subsea riser |
| 12/30/2014 | US8919437 Centraliser |
| 12/30/2014 | US8919436 Wireline standoff |
| 12/30/2014 | US8919387 High strength thread for tubular composites |
| 12/30/2014 | US8919217 Handheld power tool with a shiftable gear |
| 12/25/2014 | US20140374168 Drill Chuck Isolator |
| 12/25/2014 | US20140374167 Electronics frame with shape memory seal elements |
| 12/25/2014 | US20140374122 Hammerless Flow Coupler and Method of Use |
| 12/25/2014 | US20140374121 Downhole Entry Guide Having Disappearing Profile and Methods of Using Same |
| 12/25/2014 | US20140374117 Methods and Means for Installing, Maintaining and Controlling a Self-Standing Riser System |
| 12/25/2014 | US20140374113 Systems and Methods for Bracing Subsea Wellheads to Enhance the Fatigue Resistance of Subsea Wellheads and Primary Conductors |
| 12/25/2014 | US20140374085 Apparatus and Methods for Testing Inductively Coupled Downhole Systems |
| 12/24/2014 | CN204042263U 一种给钻杆供水用高压供水器的连接头 A water supply is connected to the drill head with a high-pressure water supply device |
| 12/24/2014 | CN204042215U 一种异型管 One kind Pipes |
| 12/24/2014 | CN204041042U 一种连续油管拖动压裂管柱 A continuous tubing fracturing string drag |
| 12/24/2014 | CN204041030U 带变孔密筛管的水平井分段完井管柱 Horizontal well bore with variable density screen segment completion string |
| 12/24/2014 | CN204040992U 水平井用的管柱 Horizontal well with a string |
| 12/24/2014 | CN204040956U 清除岩屑床用钻井工具 Clear cuttings bed drilling tools |
| 12/24/2014 | CN204040944U 一种防止卡钻的铝合金钻杆 A method of preventing sticking aluminum drill pipe |
| 12/24/2014 | CN204040943U 具有测偏功能的钻杆扶正器 Has partial function test drill centralizer |
| 12/24/2014 | CN204040942U 一种油套管外螺纹保护器 An oil casing external thread protectors |
| 12/24/2014 | CN204040941U 打捞套管专用扶正工具 Salvage special casing centralizer tool |
| 12/24/2014 | CN204040940U 油管磁性护丝 Tubing magnetic retaining wire |
| 12/24/2014 | CN204040939U 可调节滚轮扶正器 Adjustable roller centralizer |
| 12/24/2014 | CN204040938U 一种油气井用套管组件 One kind of oil and gas wells with casing components |
| 12/24/2014 | CN204040937U 石油管直连型外螺纹接头 OCTG Direct Connect type male connector |
| 12/24/2014 | CN204040936U 石油管直连型内螺纹接头 Oil pipe nipple Direct Connect type within |
| 12/24/2014 | CN204040935U 一种直连型石油套管 A Direct Connect type oil casing |
| 12/24/2014 | CN204040934U 一种水利冲孔用密封钻杆 One kind of sealed water conservancy punching drill |
| 12/24/2014 | CN204040933U 带有钢性密封连接结构的铝合金钻杆 Drill steel with aluminum seal connecting structure |
| 12/24/2014 | CN204040932U 打桩机的钻杆接头 Joint drill hammers |
| 12/24/2014 | CN204040931U 钻井液压节与电子节相连的接头组件 Drilling knuckle joint assembly connected with electronic throttle |
| 12/24/2014 | CN204040930U 井下油管旋转限位器 Downhole tubing rotation stopper |
| 12/24/2014 | CN204040929U 一种油管变扣接箍 Change one kind of tubing buckle collar |
| 12/24/2014 | CN204040928U 一种防止产生螺旋屈曲的铝合金钻杆 A method of preventing generation helical buckling of aluminum drill pipe |
| 12/24/2014 | CN204040927U 注水排渣瓦斯抽放钻杆 Slagging gas drainage water drill |
| 12/24/2014 | CN204040926U 新型空心抽油杆 The new hollow rod |
| 12/24/2014 | CN204040925U 一种油田用套管 One kind of oilfield casing |
| 12/24/2014 | CN204040924U 一种石油套管 A petroleum casing |
| 12/24/2014 | CN204040923U 一种外裹隔热油管 One kind of wrapped insulated tubing |
| 12/24/2014 | CN204040922U 一种耐磨防腐外裹隔热油管 A wear-resistant corrosion wrapped insulated tubing |
| 12/24/2014 | CN204040921U 防砂采油一体管柱 Oil sand one string |
| 12/24/2014 | CN204040920U 气凝胶复合隔热套管 Airgel composite thermal sleeve |
| 12/24/2014 | CN204040903U 一种双弯壳体导向钻具 A two curved shell drill guide |