Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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08/20/2014 | EP2766557A2 Three-way flow sub for continuous circulation |
08/20/2014 | EP2766556A1 Threaded tubular component and resulting connection |
08/20/2014 | EP2766555A2 Tubular component for drill stem provided with a transmission sheath fixed by threadings, and method for installing said component |
08/19/2014 | US8812281 Methods for designing secondary cutting structures for a bottom hole assembly |
08/19/2014 | US8807875 Ice worthy jack-up drilling unit with conical piled monopod and sockets |
08/19/2014 | CA2765505C Weakpoint coupling of selectively adjustable load bearing capacity |
08/14/2014 | WO2014123718A1 Tubular connection center shoulder seal |
08/14/2014 | WO2014123524A1 Two phase mud flow usage with dual-string drilling system |
08/14/2014 | WO2014121377A1 Axial, lateral and torsional force dampener |
08/14/2014 | US20140224546 Drill stem element and corresponding drill pipe |
08/14/2014 | US20140224537 System and method for damping vibration in a drill string |
08/14/2014 | US20140224510 Casing Window Assembly |
08/14/2014 | US20140224508 Integral centraliser |
08/13/2014 | EP2765273A2 Hard surfacing non-metallic slip components for downhole tools |
08/13/2014 | EP2764199A1 Debris resistant internal tubular testing system |
08/13/2014 | EP2764196A1 Drill stem element and corresponding drill pipe |
08/13/2014 | EP2764195A2 Tubular apparatus for the continuous completion of hydrocarbon wells, and corresponding laying method |
08/13/2014 | EP2764068A1 Reinforcing amorphous pla with solid particles for downhole applications |
08/13/2014 | CN203769676U 螺杆钻具传动轴锁紧装置 Screw drill the shaft locking device |
08/13/2014 | CN203769675U 螺杆钻具钻刮扶正总成 Screw hole drilling assembly scraping righting |
08/13/2014 | CN203769674U 钻机用扶正装置 Rig with righting device |
08/13/2014 | CN203769673U 螺杆钻具减震导流器 Screw drill damping deflector |
08/13/2014 | CN203769672U 旋转轴承式减阻工具 Bearing type rotary drag tool |
08/13/2014 | CN203769671U 水平井对接强磁短节 Butt magnetic short section of horizontal wells |
08/13/2014 | CN203769670U 管柱防拔脱报警及保护器 String anti-pull off an alarm and protection |
08/13/2014 | CN203769669U 激动压力控制短节 Excitement pressure control subs |
08/13/2014 | CN203769668U 深水用注水泥冲洗短节 Deepwater cementing rinse with a short section |
08/13/2014 | CN203769667U 一种防腐耐磨球形抽油杆接头 One kind of corrosion resistant rod ball joint |
08/13/2014 | CN203768898U 一种安全高效的双向搅拌桩机 A safe and effective way mixing pile |
08/13/2014 | CN103988007A 具有改进的齿根螺纹轮廓的螺纹连接件 Having an improved tooth profile of the screw threaded connection |
08/13/2014 | CN103987621A 一种离岸系统 One kind of Offshore Systems |
08/13/2014 | CN103982147A 一种坑道钻机螺旋钻杆自动安装和拆卸接头 One kind of tunnel spiral drill rig automatic installation and removal of connectors |
08/13/2014 | CN103982146A 一种水利冲孔用高低压密封钻杆 One kind of water conservancy punching drill with high and low pressure seal |
08/13/2014 | CN103982145A 一种可识别的石油天然气钻井用钻杆及钻井设备 A recognizable drill oil and gas drilling and drilling equipment |
08/13/2014 | CN103982144A 一种杆体聚料型扶正抽油杆及其铸造方法 One kind of rod-type poly material and casting rod centralizer |
08/13/2014 | CN103982143A 一种石油管柱立式静态电镀防混换液装置 A petroleum column vertical static plating medium was changed device mixproof |
08/13/2014 | CN103982142A 电镀非晶态镍基合金防腐耐磨油管 Electroplated nickel-based amorphous alloy corrosion resistant tubing |
08/13/2014 | CN103981860A 一种干取土节能潜孔锤灌注桩及其设备 A dry earth saving DTH pile and its equipment |
08/13/2014 | CN102536132B 便于测斜作业的钻具接头 Easy tool joint inclinometer jobs |
08/13/2014 | CN101946056B 钻具构件、钻杆和相应的钻杆列组 Drill members, the drill pipe and drill column groups corresponding |
08/13/2014 | CN101713283B 筛管 Screen |
08/12/2014 | US8801333 Ice worthy jack-up drilling unit with gas agitation and leg ice shields |
08/12/2014 | US8800669 System and method to expand tubulars below restrictions |
08/12/2014 | US8800665 Marine composite riser for structural health monitoring using piezoelectricity |
08/12/2014 | US8800664 Non-rotating buoyancy modules for sub-sea conduits |
08/12/2014 | US8800654 Wellbore machining device |
08/07/2014 | WO2014120762A2 Down hole wireless data and power transmission system |
08/07/2014 | WO2014120740A1 Tube locking mechanism for downhole components |
08/07/2014 | WO2014120376A1 Downhole assembly |
08/07/2014 | WO2014120167A1 Spring clips for tubular connection |
08/07/2014 | WO2014120130A1 Riser fluid handling system |
08/07/2014 | WO2014092605A3 Sealed threaded joint for casing pipes (versions) |
08/07/2014 | WO2014031608A3 Elliptical undercut shoulder for specialty pipe connectors |
08/07/2014 | WO2013184277A3 Pull through centralizer |
08/07/2014 | WO2013184276A3 Pull through centralizer |
08/07/2014 | WO2013181388A3 Systems and methods for detecting drillstring loads |
08/07/2014 | WO2013167710A3 Riser assembly and method |
08/07/2014 | WO2013112296A8 Providing coupler portions along a structure |
08/07/2014 | US20140217724 Connection methods and systems |
08/07/2014 | US20140216751 Integrated managed pressure drilling riser joint |
08/07/2014 | US20140216742 Floating apparatus and method for fabricating the apparatus |
08/06/2014 | EP2762672A2 Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
08/06/2014 | EP2761132A2 Method and device for supplying at least one electrical consumer of a drill pipe with an operating voltage |
08/06/2014 | CN203756148U 热敏式热力补偿器 Thermal heat compensator |
08/06/2014 | CN203756070U 抽油机光杆稳定降震器 Pumping steady drop shock absorber rod |
08/06/2014 | CN203756069U 机械化修井作业中的管柱自动扶正装置 Workover operations in mechanized column automatic righting device |
08/06/2014 | CN203756068U 机械化修井作业吊环扶正装置 Mechanization workover righting device rings |
08/06/2014 | CN203756067U 膨胀管用高压试验接头 Expansion joints high voltage test tubes |
08/06/2014 | CN203756066U 一种可调节套管接头 An adjustable spigot |
08/06/2014 | CN203756065U 一种用于钻探设备动力头主轴上的镶键式连接结构 Insert the key connection structure for the power head spindle drilling equipment |
08/06/2014 | CN203756064U 在钻柱和/或钻柱的连接部件中使用的适配器 Adapter for use in a drill string and / or connected components of the drill string |
08/06/2014 | CN203756063U 一种钻杆装置 One kind of drill pipe device |
08/06/2014 | CN203756062U 一种钻井用井下过滤短节 One kind of downhole drilling a short section of the filter |
08/06/2014 | CN203756061U 自适应式磁感应信息传输钻杆接头 Magnetic induction of adaptive information transmission tool joints |
08/06/2014 | CN203756060U 一种用于分支井回接分支井眼的自动回接装置 A device for automatic tieback wells tieback branch wellbore |
08/06/2014 | CN203756059U 一种立轴式钻机钻杆紧固装置 A vertical shaft drill rig fastening device |
08/06/2014 | CN203756058U 一种小直径排水采气管柱 A small-diameter drainage gas column |
08/06/2014 | CN103967459A 污水回注井和该污水回注井的注水方法 Water reinjection wells and the water reinjection wells injection method |
08/06/2014 | CN103967432A L800*76型高效传输螺旋钻杆及参数优化方法 L800 * 76 high-efficiency transmission spiral drill pipe and parameter optimization method |
08/06/2014 | CN103967431A 小孔径钻机的钻杆变径结构 Small diameter drill rig adjustable structure |
08/06/2014 | CN103967430A 用于连接钻杆的连接装置 Connecting means for connecting the drill pipe |
08/06/2014 | CN103967429A 钻杆卡紧接头 Drill pipe clamp fittings |
08/06/2014 | CN103967428A 一种钻柱疲劳失效风险的评价方法 An evaluation method drillstring fatigue failure risk |
08/06/2014 | CN103967427A 一种可降低轴向摩擦力的钻井装置 An axial drilling units can reduce friction |
08/06/2014 | CN103967426A 便于钻井的石油空心钻杆 To facilitate the drilling of oil hollow drill |
08/06/2014 | CN103967425A 一种全涂层覆盖的耐磨耐腐蚀双金属复合油管 An all wear resistant coating coverage bimetallic composite tubing |
08/06/2014 | CN103967410A 分段钻具稳定器 Segmented drill stabilizer |
08/06/2014 | CN103967003A 可减少挤土性的多轴互换式水泥土搅拌桩装置及施工方法 Equipment and construction methods can reduce the squeeze multiaxial interchangeable Soil cement mixing pile |
08/06/2014 | CN103966524A 一种抗硫化物应力开裂的油管和套管及其制造方法 A tubing and casing and sulfide stress cracking resistance to the manufacturing method |
08/06/2014 | CN101994486B 一种隔热油管的连接结构 An insulated tubing connecting structure |
08/06/2014 | CN101970790B 带螺旋肋部的铝钻杆 Aluminum drill pipe with a spiral rib |
08/05/2014 | US8794637 Seal |
08/05/2014 | US8794337 Apparatus and method for controlling the connection and disconnection speed of downhole connectors |
08/05/2014 | US8794331 Tools and methods for use in completion of a wellbore |
08/05/2014 | US8794314 Drill rod |
08/05/2014 | US8794313 Annular gap debris barrier |
08/05/2014 | CA2709580C Sealed threaded tubular connection which is resistant to successive pressure loads |
07/31/2014 | WO2014115023A2 Shale drill pipe |
07/31/2014 | US20140212221 Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device |
07/31/2014 | US20140209394 Shale drill pipe |