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)
10/2010
10/14/2010WO2010068833A3 Electrical submersible pump system connection adapter
10/14/2010WO2010058226A3 Centralising tool and method of forming said tool
10/14/2010US20100260556 Ram Style Tensioner with Fixed Conductor and Floating Frame
10/14/2010US20100258352 System And Method For Drill String Vibration Control
10/14/2010US20100258318 Downhole scraper
10/14/2010US20100258311 Casing Patch and Seal
10/14/2010CA2758253A1 Control of concentric tubing direction
10/14/2010CA2757459A1 Interference-fit stop collar and method of positioning a device on a tubular
10/14/2010CA2757150A1 Wired drill pipe with improved configuration
10/13/2010EP2239411A2 Bit-run nominal seat protector and method of operating same
10/13/2010EP2238352A2 Progressive cavity apparatus with transducer and methods of forming and use
10/13/2010CN201606025U 抽油机光杆润滑抗磨止漏装置 Pumping rod lubrication wear stanch device
10/13/2010CN201606017U 一种螺杆钻具传动轴防掉装置 A screw drill shaft anti-out device
10/13/2010CN201606016U 光杆防刮碰装置 Bare scratch-collision device
10/13/2010CN201606015U 凸轮换位变径稳定器 Cam transposition adjustable stabilizer
10/13/2010CN201606014U 一种高强度双密封深海抗冰隔水管快速连接机构 A high-strength double sealed deep-sea anti-ice riser quick-connect mechanism
10/13/2010CN201606013U 适用于螺杆钻具的新型万向轴总成 Apply screw drill new universal shaft assembly
10/13/2010CN201606012U 一种带有阶梯导向套的钻井杆 A drilling rod guide sleeve with ladder
10/13/2010CN201606011U 旋挖钻机桅杆限位机构 Rotary drilling rig mast stopper mechanism
10/13/2010CN101858201A Sliding active drilling rod of pile work drilling machine
10/13/2010CN101858196A Low gravity center three-axle spiral drilling machine and drilling method thereof
10/13/2010CN101187295B Super high intensity anti-corrosion pumping rod production method
10/12/2010US7810586 Sectional drive and coupling system
10/12/2010US7810573 Method for retrofitting a downhole drill string with a flow through subassembly and method for making same
10/12/2010US7810560 Expansion joint with communication medium bypass
10/12/2010US7810559 Wellbore consolidating tool for rotary drilling applications
10/12/2010CA2506808C Communication system for down hole use
10/07/2010WO2010112893A2 A rig for wellbore operations
10/07/2010WO2010076281A3 Method for monitoring deformation of well equipment
10/07/2010WO2010070305A3 Cables for downhole use
10/07/2010WO2009095794A3 Spiral ribbed aluminum drillpipe
10/07/2010US20100252331 Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
10/07/2010US20100252330 Down-hole Hammer Drill
10/07/2010US20100252279 Reduced Drag Centralizer
10/07/2010US20100252274 Friction reducing wear band and method of coupling a wear band to a tubular
10/07/2010CA2757374A1 A rig for wellbore operations
10/06/2010EP2236896A2 Tubing with an inner coating protecting it against deposits and a method for applying said coating
10/06/2010EP2236737A2 Riser support system
10/06/2010EP2236736A1 Wired drill pipe
10/06/2010EP2235317A2 Communication connections for wired drill pipe joints for providing multiple communication paths
10/06/2010CN201599018U 多功能增油装置 Multifunction devices increasing oil
10/06/2010CN201598987U 正向定压堵塞套管引鞋 Forward primers constant pressure to plug casing shoe
10/06/2010CN201598986U 自动转位同曲率圆弧面滑动式抽油杆扶正器 Automatic indexing with the curvature of the circular surface sliding rod centralizer
10/06/2010CN201598985U 一种节能防腐耐磨抽油杆 An energy efficient corrosion resistant rod
10/06/2010CN1575374B Seismic monitoring of in situ conversion in a hydrocarbon containing formation
10/06/2010CN101270445B Method for manufacturing fire resistant insulated tubing
10/06/2010CN100999982B Connecting hoop presetting sucker rod
10/05/2010US7806205 Earth drilling device
10/05/2010US7806204 Sonic drill rod with external surface features
10/05/2010US7806190 Contraction joint system
10/05/2010US7806179 String mounted hydraulic pressure generating device for downhole tool actuation
10/05/2010CA2604002C Drilling with casing
10/05/2010CA2504721C Method and apparatus to facilitate wet or dry control line connection for the downhole environment
10/05/2010CA2486279C Vibration damper systems for drilling with casing
09/2010
09/30/2010WO2010111613A1 Helical drilling apparatus, systems, and methods
09/30/2010WO2010111368A2 Control line retention and method for retaining control line
09/30/2010WO2010110952A2 Dc powered subsea inverter
09/30/2010WO2010110720A1 Threaded thin-walled drill tube joint
09/30/2010WO2010110129A1 Fluororesin and riser pipe
09/30/2010WO2010109229A2 Casing centraliser
09/30/2010WO2010109124A1 Protective sleeve for a flexible pipe
09/30/2010WO2010108240A1 Device including an apparatus for measuring drilling or coring operation parameters, and equipment including such a device
09/30/2010WO2010069992A3 Riser valve
09/30/2010WO2010044027A3 Downhole application for a backpressure valve
09/30/2010WO2009101507A3 Durability of downhole tools
09/30/2010US20100243289 Umbilical
09/30/2010US20100243272 Control line retention and method for retaining control line
09/30/2010US20100243271 Bit-run nominal seat protector and method of operating same
09/30/2010US20100243201 Earth heat transfer loop apparatus
09/30/2010DE19803304C5 Bohrgestänge zum Drehschlagbohren, insbesondere zum Überlagerungsbohren Drill pipes for rotary percussion drilling, in particular for overburden drilling
09/30/2010DE102009013981A1 Spacer for axis-parallel arrangement and fixing of pipeline conduits during geothermal power production, has spacer elements shifted against each other perpendicularly to planes of elements during joining under application of force
09/30/2010CA2756220A1 Threaded thin-walled drill tube joint
09/30/2010CA2755872A1 Protective sleeve for a flexible pipe
09/30/2010CA2755628A1 Helical drilling apparatus, systems, and methods
09/30/2010CA2755199A1 Dc powered subsea inverter
09/29/2010EP2233683A2 Adapter of a self-drilling chemically anchored attachment element
09/29/2010EP2232124A1 Styrenic insulation for pipe
09/29/2010EP2231998A1 Caisson system
09/29/2010EP2231997A2 Wellbore pipe centralizer having increased restoring force and self-sealing capability
09/29/2010EP2231996A1 Sealed threaded tubular connection which is resistant to successive pressure loads
09/29/2010EP2231995A1 Apparatus and methods to optimize fluid flow and performance of downhole drilling equipment
09/29/2010EP2231361A1 Joining metal pipes
09/29/2010CN201593401U Multifunctional anti-scale and anti-blocking device
09/29/2010CN201593384U Lining tile direct-injection-type sucker rod stopping and centralizing device
09/29/2010CN201593383U Nonstandard threaded joint used for 139.7mm NC41 boring tool
09/29/2010CN1609410B Downhole telemetering system and method, and cable communication line
09/29/2010CN101849079A Threaded connection comprising at least one threaded element with an end lip for a metal tube
09/29/2010CN101845944A Method for sealing gas drainage boreholes at specified positions
09/29/2010CN101845942A Plug type circuit sealing device
09/29/2010CN101845941A Transverse damper for drill stem for gas drilling
09/29/2010CN101845940A Riser support system
09/29/2010CN101845939A Petroleum casing pipe and method for manufacturing same
09/29/2010CN101845586A Steel for petroleum casing pipe, resistance welding petroleum casing pipe and method for manufacturing same
09/29/2010CN101845583A Petroleum sleeve steel and manufacturing method thereof
09/28/2010USRE41759 Lockable swivel apparatus and method
09/28/2010US7802638 Drive system
09/28/2010US7802637 Steerable bit system assembly and methods
09/28/2010US7802622 Cable-protective pipe section, a method of protectively arranging at least one cable on the outside of the pipe section and use of a device for protecting the cable
09/28/2010CA2572240C Drilling systems and methods utilizing independently deployable multiple tubular strings
09/28/2010CA2565582C Threaded connection for oil field applications
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