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 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198)
12/2012
12/20/2012WO2011143571A3 Pushing or pulling device
12/20/2012WO2011120696A3 Method for operating a horizontal drilling device and horizontal drilling device
12/20/2012US20120318530 Device for a Tower for Well Operations and Use of Same
12/20/2012CA2743811A1 Apparatuses for monitoring power tong operation
12/19/2012EP2535503A2 Riser system comprising pressure control means.
12/19/2012CN202611681U Lifting device for coal mine downhole detecting instrument
12/19/2012CN202611630U Long-distance drill stem positioning device for arc-shaped drilling machine
12/19/2012CN202611629U Pneumatic control protection device for drill rod power tongs
12/19/2012CN202611628U Oil field pipe-used opening power tong three-tong-tooth main tong clamping mechanism
12/19/2012CN202611627U Automatic discharging and lifting device for well repair
12/19/2012CN202611626U Special pipe rod lifting device for oil well operation
12/19/2012CN202611625U Ball hinge chuck for raise boring machine
12/19/2012CN202611624U Buckling type elevator
12/19/2012CN202611623U Oil tube lifting device
12/19/2012CN202611622U Split-type remote control pressured operation well service hoist
12/19/2012CN202611621U Enhanced hydraulic pipe column type oil pipe lifting device
12/19/2012CN202611620U Rope coiling drive device applied to steel-wire-rope-type marine riser tensioner
12/19/2012CN202611619U Top tension device for waterproof casing pipe
12/19/2012CN202611581U Top-drive drilling machine
12/19/2012CN1894484B Method and apparatus for off-line carriage combination
12/19/2012CN102834584A Alignment assembly, drilling systems, and methods
12/19/2012CN102834583A Subsea orientation and control system
12/19/2012CN102828705A Mechanism for automatically changing drill rod
12/19/2012CN102828704A Clamping device for mechanical loading and unloading drill rod on drilling device
12/19/2012CN102828703A Traveling slip capable of pressurizing and lifting underground tubular column on any position
12/19/2012CN101253305B System for coupling pipe segment to pipe string
12/18/2012US8333253 Sector divided two-way outlet flow deflector unit for a pneumatic power tool
12/18/2012US8333252 Hand-held power tool with grounding
12/18/2012US8333238 Compact snubbing unit
12/18/2012CA2715145C Internally retained jaw roller pin
12/18/2012CA2524121C Drill gripping device and method
12/13/2012WO2012171042A2 Expandable seal with conforming ribs
12/13/2012WO2012170894A1 System for continuous electrical well cable feed-through for a wellhead and method of installation
12/13/2012WO2012170326A2 Controllably releasable shifting tool
12/13/2012WO2012170299A2 Method and system for abandoning a borehole
12/13/2012WO2012167356A1 Tubing reconditioning method
12/13/2012WO2005086614A3 Expandable tubular
12/13/2012US20120312553 Apparatus and methods for limiting movement of gripping members
12/13/2012US20120312551 Method and Apparatus for Running Casing in a Wellbore with a Fluid Driven Rotatable Shoe
12/13/2012US20120312550 Set for obtaining a threaded connection, method for making up and breaking out said connection, and use of said connection in a riser
12/13/2012US20120312128 Tong assemblies
12/12/2012EP2532829A2 Continuous flow drilling systems and methods
12/12/2012EP2532828A2 Continuous flow drilling systems and methods
12/12/2012CN202596610U Hydraulic system for driving injection head used for radial well operation
12/12/2012CN202596609U Cathead pressure regulation device for petroleum drilling machine
12/12/2012CN202596608U Quickly-disassembling device for circular-arc bead drill pipe
12/12/2012CN202596607U Operating device of drilling wellhead fork and vehicular drilling machine
12/12/2012CN202596606U Drilling tool transfer system
12/12/2012CN202596605U Alloy assembly type slip device
12/12/2012CN202596604U Marine riser elevator
12/12/2012CN202596603U Cat head supporting mechanism for rotary drilling rig
12/12/2012CN202596569U Impact air lift reverse circulation drilling machine
12/12/2012CN102822442A Drilling machine and method
12/12/2012CN102822441A Test device for oil well pipe threaded joint
12/12/2012CN101988374B System for storing and fetching multiple drill rods
12/12/2012CN101813105B Bidirectional sequence control valve special for tubing tong
12/11/2012US8327928 External grip tubular running tool
12/11/2012US8327927 Apparatus and method for performing earth borehole operations
12/11/2012CA2607466C Ac powered service rig
12/11/2012CA2605256C Method and apparatus for connecting tubulars using a top drive
12/07/2012CA2742881A1 Tong assemblies
12/06/2012WO2012167045A2 Anti-back off device for down hole tools and drive systems
12/06/2012WO2012166930A2 Method of reducing deflection through a rod piston in a subsurface safety valve
12/06/2012WO2012166400A2 Wellbore junction completion with fluid loss control
12/06/2012WO2012166396A1 Variably configurable wellbore junction assembly
12/06/2012WO2012166324A2 High pressure multibore junction assembly
12/06/2012WO2012166137A1 Optimized pressure drilling with continuous tubing drill string
12/06/2012WO2012074976A3 Latching rod box
12/06/2012WO2012074928A3 Bottom preventer for use in a drilling system
12/06/2012US20120305319 Safety joint with indicating feature
12/06/2012US20120305316 Earth drilling apparatus and method
12/06/2012US20120305267 Wellbore junction completion with fluid loss control
12/06/2012US20120305266 Variably configurable wellbore junction assembly
12/06/2012US20120305261 drilling installation
12/06/2012US20120305233 Rod-mounting apparatus for drilling apparatus
12/06/2012CA2837951A1 High pressure multibore junction assembly
12/06/2012CA2837859A1 Optimized pressure drilling with continuous tubing drill string
12/06/2012CA2837510A1 Method of reducing deflection through a rod piston in a subsurface safety valve
12/06/2012CA2836924A1 Wellbore junction completion with fluid loss control
12/06/2012CA2836918A1 Variably configurable wellbore junction assembly
12/05/2012EP2530009A1 A method and apparatus for tensioning a buoy to an anchoring location
12/05/2012EP2529074A1 Device and method for drilling with continous tool rotation and continous drilling fluid supply
12/05/2012EP2529073A1 Rotary table device for a pipe string
12/05/2012CN202580393U Novel water guidance faucet device
12/05/2012CN202578587U Lower chuck device of vertical shaft of vertical-shaft type drilling machine
12/05/2012CN202578586U Racker
12/05/2012CN202578585U Coiled tubing clamping mechanism and injector head using same
12/05/2012CN202578584U Quick rod replacing frame for drilling jumbo
12/05/2012CN202578583U Auxiliary bit remover of raise boring machine
12/05/2012CN202578582U Novel sucker rod back-up tong
12/05/2012CN202578581U Control device for gear engagement of hydraulic clamp
12/05/2012CN202578580U Vehicle-mounted hydraulic clamp bracket
12/05/2012CN202578579U Counter weight device for tongs of drilling rig
12/05/2012CN202578578U Horizontal top-open hydraulic assembling machine
12/05/2012CN202578577U Separating device for oil pipe
12/05/2012CN202578576U Hydraulic pipe-setting device
12/05/2012CN202578575U Ball type hand chuck device for spindle type drill
12/05/2012CN202578574U Hydraulic ferrule clamping chuck of raise boring machine
12/05/2012CN202578573U Spring type safety elevator pin
12/05/2012CN202578572U Adjusting device for connection of traveling block hook and pulley of petroleum workover rig
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