Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
02/2015
02/12/2015US20150041151 Rotating wellhead hanger assemblies
02/12/2015US20150041149 System for coupling mwd tools
02/12/2015US20150041145 Fluoropolymer pipe
02/12/2015US20150041143 Apparatus For Controlling Injection Pressure In Offshore Enhanced Oil Recovery
02/12/2015US20150041125 Underground coal gasification well liner
02/12/2015US20150041118 Method for Installing a self-supporting tower for Extracting Hydrocarbons
02/12/2015US20150041117 Low profile magnetic orienting protectors
02/11/2015EP2834446A1 Casing window assembly
02/11/2015EP2834443A1 Apparatus for drilling and lining a borehole
02/11/2015EP2834442A1 Rotating and reciprocating swivel apparatus and method
02/11/2015CN204156127U 钻铤仪器用传感器的电路连接结构 Circuit connection structure collars instrument with sensors
02/11/2015CN204152506U 一种地层测试用高负载旋转头 One kind of formation testing with high load swivel head
02/11/2015CN204152471U 一种封井器 One kind of blowout preventer
02/11/2015CN204152454U 一种扶正器 One kind centralizer
02/11/2015CN204152453U 防阻卡扶正器 Discourage card centralizer
02/11/2015CN204152452U 高抗扭高密封变扣螺纹接头 High torsional high sealing threaded joints become buckle
02/11/2015CN204152451U 一种可修复螺纹式大口径探矿钻杆 A correctable Threaded large diameter drill prospecting
02/11/2015CN204152450U 全开式安全接头 Full safety fittings
02/11/2015CN204152449U 旋挖钻机钻杆的方头连接结构 Rotary drilling rig drill a square head connecting structure
02/11/2015CN204152448U 一种套管固井机械滑套及其专用开关装置 Cementing a mechanical switching devices and special casing sleeve
02/11/2015CN204152443U 螺杆钻具用防脱压稳定器 Screw drill with anti-off pressure stabilizer
02/11/2015CN204152442U 液力抗冲击螺杆钻具 Hydraulic impact screw drill
02/11/2015CN104350230A 连续旋转式钻井系统和使用方法 Continuous rotary drilling system and method of use
02/11/2015CN104343465A 管柱接箍报警装置 String coupling alarm device
02/11/2015CN104343414A 一种钻具水眼通用固井水泥钻通装置及方法 One kind of common cementing drill water hole drilled through the apparatus and method
02/11/2015CN104343399A 用于钻孔和锚固设备的插入端部 For insertion into the end portion of the drilling and anchoring device
02/11/2015CN104343398A 一种多棱锥快速插接密封式螺旋钻杆 A multi-pyramid quick plug sealed spiral drill
02/11/2015CN104343397A 管柱接箍报警装置 String coupling alarm device
02/11/2015CN104343396A 一种纤维增强复合材料连续抽油杆的制备方法 A fiber-reinforced composite material continuous sucker rod
02/11/2015CN104343390A 一种水利扩孔系统 One kind of water conservancy reaming system
02/11/2015CN103038437B 在地下井中安装已固定有线路的管柱 Wells have been installed in the underground fixed line column
02/11/2015CN102828699B 抗扭抽油杆 Torsion rod
02/10/2015US8950787 Pipe and pipe assembly provided with layers of electrically conductive material for conveying substances
02/10/2015US8950785 Broach style anti rotation device for connectors
02/10/2015US8950513 Apparatus and methods for controlling drill string vibrations and applying a force to a drill bit
02/10/2015US8950501 Riser clamp
02/10/2015US8950499 Pipe-in-pipe apparatus, and methods and systems
02/10/2015US8950498 Methods, apparatus and systems for conveying fluids
02/10/2015US8950478 Coupling between wellbore tools having central transmission shafts
02/10/2015CA2742865C Apparatus and methods to protect connections
02/10/2015CA2709648C Well tubings with polymer liners
02/05/2015WO2015017568A2 Centralizer
02/05/2015WO2015017096A1 Tool with pressure-activated sliding sleeve
02/05/2015WO2015017014A1 Extruded encapsulated fillers to provide crush protection
02/05/2015US20150035274 Connector assembly
02/05/2015US20150035273 4-round thread form
02/05/2015US20150034388 Downhole motor coupling systems and methods
02/05/2015US20150034386 Fluidic Modulators and Along String Systems
02/05/2015US20150034385 Moveable Element to Create Pressure Signals in A Fluidic Modulator
02/05/2015US20150034384 Method of and apparatus for drilling a subterranean wellbore
02/05/2015US20150034336 Centralizer
02/05/2015US20150034327 Drilling system having slot for underwater storage of bop assembly
02/05/2015US20150034317 Method of well operation
02/05/2015US20150034312 Magnetic Latching Device For Downhole Wellbore Intercept Operations
02/05/2015DE102013012714A1 Einsteckende für ein Bohr- und Ankersetzgerät Insertion for a drilling and bolting device
02/04/2015EP2831363A1 Friction reduction mechanism for a downhole release assembly
02/04/2015CN204140035U 井下造氮气气井快速诱喷完井管柱 Nitrogen gas underground made rapid completion string induced flow
02/04/2015CN204139998U 一种防喷防掉一体式螺杆钻具 One kind of anti-out preventer screw hole-in-one
02/04/2015CN204139997U 防砂管柱砂体扶正器 Sand column sand centralizer
02/04/2015CN204139996U Mwd测斜仪器橡胶扶正器 Mwd inclinometer instrument rubber centralizer
02/04/2015CN204139995U 钻孔扶正器及钻具 Drill and drill centralizer
02/04/2015CN204139994U 一种微变径整体式灯笼扶正器 A micro adjustable integral lanterns centralizer
02/04/2015CN204139993U 带球面柱面密封结构的螺纹接头 Spherical cylinder seal structure nipple
02/04/2015CN204139992U 一种高温高压气井用气密封石油套管螺纹连接结构 A high-temperature high-pressure oil and gas well casing seal gas threaded connection
02/04/2015CN204139991U 地质勘探用钻杆的连接结构 Geological exploration drill pipe connecting structure
02/04/2015CN204139990U 用于钻具卡接的弹卡室结构 For drill snap elastic card room structure
02/04/2015CN204139989U 钻杆上的弹卡挡头 Playing cards on the stopper drill
02/04/2015CN204139988U 一种智能转换接头 An intelligent adapter
02/04/2015CN204139987U 地质勘探钻机的磨圈安装结构 Geological exploration drilling rig grinding ring mounting structure
02/04/2015CN204139986U 一种石油开采管道 One kind of oil pipeline
02/04/2015CN204139985U 镦锻式空心抽油杆 Upsetting type hollow rod
02/04/2015CN204139984U 扩孔钻具 Reaming drill
02/04/2015CN204139974U 新型锚杆钻头 The new anchor drill
02/04/2015CN204139970U 新型扩孔器 The new reamer
02/04/2015CN204139967U 造斜扩孔钻具 Whipstocking reaming drill
02/04/2015CN204139965U 可分组启动的多轴钻机 Start of multi-axis drilling rig can be grouped
02/04/2015CN204139964U 一种螺杆钻具传动轴总成 A screw drill shaft assembly
02/04/2015CN204139963U 一种螺杆钻具传动轴总成的防掉机构 A screw drill shaft assembly of anti-out mechanism
02/04/2015CN204138770U 一种非金属导电型油井防偏磨防腐器 A non-metallic conductive type oil filter anti-corrosion eccentric wear
02/04/2015CN204136449U 钻杆保护套用板折弯装置 Apply drill protection plate bending device
02/04/2015CN204136448U 外翻边型钻杆保护套的外翻边生产流水线 Outer flange type drill outer protective sleeve cuffs production lines
02/04/2015CN204136442U 外翻边型钻杆保护套生产流水线 Outer flange-type drill pipe protector production line
02/04/2015CN104334824A 致动闭锁系统 Actuated locking system
02/04/2015CN104329062A 允许流体在井筒中的筛管内部和管子外部流动的设备和方法 Screen allows fluid flow inside and outside the tube in the apparatus and method of the wellbore
02/04/2015CN104329034A 螺杆钻具用可闭合中空防掉帽 Can be closed with a screw hole in the cap off the air defense
02/04/2015CN104329033A 六方接头钻杆自动卡接装置 Hexagonal joint drill automatic card access device
02/04/2015CN104329032A 双层连续油管伸缩连接器 Double retractable coiled tubing connector
02/04/2015CN104329020A 一种加强型长螺旋嵌岩施工设备及其工艺 A way of strengthening the long spiral embedded in rock type of construction equipment and technology
02/04/2015CN104328441A 一种非金属导电型油井防偏磨防腐器及其制作方法 A non-metallic conductivity type well sucker corrosion and its manufacturing method
02/04/2015CN103321593B 一种主动抑制立管涡激振动的装置及方法 An active suppression apparatus and method riser VIV
02/04/2015CN102839923B 钻柱防松装置 Drillstring locking device
02/04/2015CN102741496B 用于柔性管路与水下设施的连接组件 Flexible tubing is used to connect the components of the underwater
02/03/2015US8944723 Tensioner latch with pivoting segmented base
02/03/2015US8944190 System and method for damping vibration in a drill string
02/03/2015US8944189 Rod coupling having a sacrificial element
02/03/2015US8944188 Retaining arrangement, sub adaptor and/or drill spindle
02/03/2015US8944185 Systems and methods to reduce oscillations in magnetic couplings
02/03/2015US8944160 Pulsating rotational flow for use in well operations
02/03/2015CA2756825C Improved composite tubing
01/2015
01/30/2015CA2857692A1 Downhole shock assembly and method of using same
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