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)
08/2014
08/20/2014EP2766557A2 Three-way flow sub for continuous circulation
08/20/2014EP2766556A1 Threaded tubular component and resulting connection
08/20/2014EP2766555A2 Tubular component for drill stem provided with a transmission sheath fixed by threadings, and method for installing said component
08/19/2014US8812281 Methods for designing secondary cutting structures for a bottom hole assembly
08/19/2014US8807875 Ice worthy jack-up drilling unit with conical piled monopod and sockets
08/19/2014CA2765505C Weakpoint coupling of selectively adjustable load bearing capacity
08/14/2014WO2014123718A1 Tubular connection center shoulder seal
08/14/2014WO2014123524A1 Two phase mud flow usage with dual-string drilling system
08/14/2014WO2014121377A1 Axial, lateral and torsional force dampener
08/14/2014US20140224546 Drill stem element and corresponding drill pipe
08/14/2014US20140224537 System and method for damping vibration in a drill string
08/14/2014US20140224510 Casing Window Assembly
08/14/2014US20140224508 Integral centraliser
08/13/2014EP2765273A2 Hard surfacing non-metallic slip components for downhole tools
08/13/2014EP2764199A1 Debris resistant internal tubular testing system
08/13/2014EP2764196A1 Drill stem element and corresponding drill pipe
08/13/2014EP2764195A2 Tubular apparatus for the continuous completion of hydrocarbon wells, and corresponding laying method
08/13/2014EP2764068A1 Reinforcing amorphous pla with solid particles for downhole applications
08/13/2014CN203769676U 螺杆钻具传动轴锁紧装置 Screw drill the shaft locking device
08/13/2014CN203769675U 螺杆钻具钻刮扶正总成 Screw hole drilling assembly scraping righting
08/13/2014CN203769674U 钻机用扶正装置 Rig with righting device
08/13/2014CN203769673U 螺杆钻具减震导流器 Screw drill damping deflector
08/13/2014CN203769672U 旋转轴承式减阻工具 Bearing type rotary drag tool
08/13/2014CN203769671U 水平井对接强磁短节 Butt magnetic short section of horizontal wells
08/13/2014CN203769670U 管柱防拔脱报警及保护器 String anti-pull off an alarm and protection
08/13/2014CN203769669U 激动压力控制短节 Excitement pressure control subs
08/13/2014CN203769668U 深水用注水泥冲洗短节 Deepwater cementing rinse with a short section
08/13/2014CN203769667U 一种防腐耐磨球形抽油杆接头 One kind of corrosion resistant rod ball joint
08/13/2014CN203768898U 一种安全高效的双向搅拌桩机 A safe and effective way mixing pile
08/13/2014CN103988007A 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
08/13/2014CN103987621A 一种离岸系统 One kind of Offshore Systems
08/13/2014CN103982147A 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
08/13/2014CN103982146A 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
08/13/2014CN103982145A 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
08/13/2014CN103982144A 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
08/13/2014CN103982143A 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
08/13/2014CN103982142A 电镀非晶态镍基合金防腐耐磨油管 Electroplated nickel-based amorphous alloy corrosion resistant tubing
08/13/2014CN103981860A 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
08/13/2014CN102536132B 便于测斜作业的钻具接头 Easy tool joint inclinometer jobs
08/13/2014CN101946056B 钻具构件、钻杆和相应的钻杆列组 Drill members, the drill pipe and drill column groups corresponding
08/13/2014CN101713283B 筛管 Screen
08/12/2014US8801333 Ice worthy jack-up drilling unit with gas agitation and leg ice shields
08/12/2014US8800669 System and method to expand tubulars below restrictions
08/12/2014US8800665 Marine composite riser for structural health monitoring using piezoelectricity
08/12/2014US8800664 Non-rotating buoyancy modules for sub-sea conduits
08/12/2014US8800654 Wellbore machining device
08/07/2014WO2014120762A2 Down hole wireless data and power transmission system
08/07/2014WO2014120740A1 Tube locking mechanism for downhole components
08/07/2014WO2014120376A1 Downhole assembly
08/07/2014WO2014120167A1 Spring clips for tubular connection
08/07/2014WO2014120130A1 Riser fluid handling system
08/07/2014WO2014092605A3 Sealed threaded joint for casing pipes (versions)
08/07/2014WO2014031608A3 Elliptical undercut shoulder for specialty pipe connectors
08/07/2014WO2013184277A3 Pull through centralizer
08/07/2014WO2013184276A3 Pull through centralizer
08/07/2014WO2013181388A3 Systems and methods for detecting drillstring loads
08/07/2014WO2013167710A3 Riser assembly and method
08/07/2014WO2013112296A8 Providing coupler portions along a structure
08/07/2014US20140217724 Connection methods and systems
08/07/2014US20140216751 Integrated managed pressure drilling riser joint
08/07/2014US20140216742 Floating apparatus and method for fabricating the apparatus
08/06/2014EP2762672A2 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
08/06/2014EP2761132A2 Method and device for supplying at least one electrical consumer of a drill pipe with an operating voltage
08/06/2014CN203756148U 热敏式热力补偿器 Thermal heat compensator
08/06/2014CN203756070U 抽油机光杆稳定降震器 Pumping steady drop shock absorber rod
08/06/2014CN203756069U 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
08/06/2014CN203756068U 机械化修井作业吊环扶正装置 Mechanization workover righting device rings
08/06/2014CN203756067U 膨胀管用高压试验接头 Expansion joints high voltage test tubes
08/06/2014CN203756066U 一种可调节套管接头 An adjustable spigot
08/06/2014CN203756065U 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
08/06/2014CN203756064U 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
08/06/2014CN203756063U 一种钻杆装置 One kind of drill pipe device
08/06/2014CN203756062U 一种钻井用井下过滤短节 One kind of downhole drilling a short section of the filter
08/06/2014CN203756061U 自适应式磁感应信息传输钻杆接头 Magnetic induction of adaptive information transmission tool joints
08/06/2014CN203756060U 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
08/06/2014CN203756059U 一种立轴式钻机钻杆紧固装置 A vertical shaft drill rig fastening device
08/06/2014CN203756058U 一种小直径排水采气管柱 A small-diameter drainage gas column
08/06/2014CN103967459A 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
08/06/2014CN103967432A 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
08/06/2014CN103967431A 小孔径钻机的钻杆变径结构 Small diameter drill rig adjustable structure
08/06/2014CN103967430A 用于连接钻杆的连接装置 Connecting means for connecting the drill pipe
08/06/2014CN103967429A 钻杆卡紧接头 Drill pipe clamp fittings
08/06/2014CN103967428A 一种钻柱疲劳失效风险的评价方法 An evaluation method drillstring fatigue failure risk
08/06/2014CN103967427A 一种可降低轴向摩擦力的钻井装置 An axial drilling units can reduce friction
08/06/2014CN103967426A 便于钻井的石油空心钻杆 To facilitate the drilling of oil hollow drill
08/06/2014CN103967425A 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
08/06/2014CN103967410A 分段钻具稳定器 Segmented drill stabilizer
08/06/2014CN103967003A 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
08/06/2014CN103966524A 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
08/06/2014CN101994486B 一种隔热油管的连接结构 An insulated tubing connecting structure
08/06/2014CN101970790B 带螺旋肋部的铝钻杆 Aluminum drill pipe with a spiral rib
08/05/2014US8794637 Seal
08/05/2014US8794337 Apparatus and method for controlling the connection and disconnection speed of downhole connectors
08/05/2014US8794331 Tools and methods for use in completion of a wellbore
08/05/2014US8794314 Drill rod
08/05/2014US8794313 Annular gap debris barrier
08/05/2014CA2709580C Sealed threaded tubular connection which is resistant to successive pressure loads
07/2014
07/31/2014WO2014115023A2 Shale drill pipe
07/31/2014US20140212221 Method for connecting a flexible line to a structure of a fluid exploitation installation and associated connection device
07/31/2014US20140209394 Shale drill pipe
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