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)
10/2012
10/03/2012CN202467707U Bearing device for polish rod
10/03/2012CN202467706U Ball-clamped type anti-torque elevator
10/03/2012CN202467638U Large-torque drilling machine with driving force gear shifting gearbox
10/03/2012CN102713130A Rod-mounting apparatus for a drilling apparatus
10/03/2012CN102705547A Electronic pressure regulating device for monitoring torque of hydraulic tongs
10/03/2012CN102704870A Coiled tubing clamping device and injection head using same
10/03/2012CN102704869A Rod connecting and disconnecting device applicable to drill rod
10/03/2012CN102704868A Split-type remote control pressurized operation workover rig
10/03/2012CN101769131B Conveying mechanism used for oil drilling
10/03/2012CN101512098B Horizontal drilling system with oscillation control
10/02/2012US8280636 Method and system for controlling a well service rig based on load data
10/02/2012US8276676 Pressure-activated valve for hybrid coiled tubing jointed tubing tool string
10/02/2012US8276660 Dual anchoring tubular back-off tool
10/02/2012CA2672530C Top drive apparatus and method for gripping a tubular
09/2012
09/27/2012WO2012126170A1 Floating clamping device for injection head of continuous oil pipe
09/27/2012WO2012126169A1 Gripping device for coiled tubing and injector using the same
09/27/2012WO2012106486A3 Downhole tool actuation
09/27/2012WO2012016947A3 Method and system for performing well operations
09/27/2012WO2011135311A3 Videometric Systems And Methods For Offshore And Oil-Well Drilling
09/27/2012WO2011104516A8 Pressure-activated valve for hybrid coiled tubing jointed tubing tool string
09/27/2012US20120243965 Cartridge Tubular Handling System
09/27/2012US20120243964 Pipe Handling Boom Pretensioning Apparatus
09/27/2012US20120241174 Injection module, method for use for lateral insertion and bending of a coiled tubing via a side opening in a well
09/27/2012US20120241144 Whipstock Assembly
09/26/2012EP2503092A1 Locking device for tubular elements
09/26/2012CN202451087U Guide frame for drilling of anti-floating anchor rod on pile base
09/26/2012CN202451086U Force application device for clamp holder
09/26/2012CN202451085U Novel vise roller mechanism
09/26/2012CN202451084U Bidirectional pneumatic oil pipe back-up wrench
09/26/2012CN202451083U Retractable type rotary power tong
09/26/2012CN202451082U Special tool for replacement of hydraulic clamp jaw
09/26/2012CN202451081U Automatic discharge device of racking platform drill pipe
09/26/2012CN202451080U Double-clip unloading bearing device
09/26/2012CN202451079U Anti-slip device for polish rod
09/26/2012CN202451078U Ground oil tube running and pulling sliding device for borehole operation
09/26/2012CN102695845A Device for securing pipes having various diameters
09/26/2012CN102691485A Continuous pipe working device and rotation speed control method of same
09/26/2012CN102691484A Winch heave compensation device of marine floating drilling platform
09/26/2012CN102691483A Rotary drilling rig and pulley yoke thereof
09/26/2012CN101432498B Top drive apparatus
09/25/2012US8272448 Spring loaded anchor system for electro-coil tubing deployed ESP's
09/25/2012US8272434 Tubing string hanger and tensioner assembly
09/25/2012CA2677247C Casing running and drilling system
09/24/2012CA2772508A1 Method for handling a fiber reinforced plastic tube, and combination of such tube wound on a reel
09/20/2012WO2012125934A2 Piezoelectric transducer and downhole tool for measuring fluid properties
09/20/2012WO2012125933A2 Hydraulic fracture diverter apparatus and method thereof
09/20/2012WO2012125421A1 Restricted axial movement locking mechanism
09/20/2012WO2012125404A2 Remote subterranean tool activation system
09/20/2012WO2012082620A3 Improved alignment of downhole strings
09/20/2012US20120234780 Compact portable auger rack for single-operator function
09/20/2012US20120234531 Seal configuration for top drive swivel apparatus and method
09/20/2012CA2826943A1 Remote subterranean tool activation system
09/19/2012EP2500259A1 Method for removing a hydrocarbon production platform from sea
09/19/2012EP2499327A2 Connecting device for kill/choke lines between a riser and a floating drilling vessel
09/19/2012EP2499040A2 A method of installing a buoy and apparatus for tensioning a buoy to an anchoring location
09/19/2012CN202441287U Pipeline winding and unwinding device
09/19/2012CN202441286U Drill bit loading/unloading device
09/19/2012CN202441285U Mechanical hand special for borehole operation
09/19/2012CN202441284U Pressing-type steel ball self-locking elevator safety pin
09/19/2012CN202441283U Polish rod clamp of oil pumping unit
09/19/2012CN202441282U polished rod grip for pumping units
09/19/2012CN202441281U Energy-saving hydraulic mechanism for workover rigs
09/19/2012CN202441280U Ratchet type combined elevator
09/19/2012CN202441278U Clamping type polish rod unloading hand protector
09/19/2012CN202440815U Forming device for long-spiral filling pile extruded into rock
09/19/2012CN102686925A Tubular handling system and method for handling tubulars
09/19/2012CN102678074A Box opening type rotator
09/19/2012CN102678073A Multipurpose hydraulic power pincers
09/19/2012CN102678072A Torque-bearing slip assembly for continuous circulation systems
09/18/2012US8267450 Elevator for gripping and lifting a riser joint
09/18/2012US8267448 Cam arm actuated backup tong
09/18/2012US8267202 Feed chain automatic tensioner
09/18/2012US8267184 Method of radially expanding a tubular element
09/18/2012US8267183 Gripper for coiled tubing injectors
09/18/2012US8267182 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide
09/18/2012CA2734462A1 Bit breaker
09/18/2012CA2681535C A top drive apparatus
09/13/2012WO2012122483A2 Graph to analyze drilling parameters
09/13/2012WO2012012559A3 Inflatable restraint system
09/13/2012US20120227985 Method for coupling of a casing tube to a drill bit
09/13/2012US20120227984 Expandable liner tieback connection
09/13/2012US20120227977 Torque wrench system having a multiple torque stations
09/13/2012US20120227976 Offshore Well Intervention Lift Frame And Method
09/12/2012EP2497897A2 Groundwater profile monitoring system
09/12/2012EP2497896A1 Tool, facility and method for making horizontal boreholes
09/12/2012EP2496787A2 Pipe stabilizer for pipe section guide system
09/12/2012CN202431235U Lifting device for power head drill
09/12/2012CN202431234U Back-up tong for petroleum pipe make-and-break testing system
09/12/2012CN202431233U Pneumatic back-up tong for oil tubes
09/12/2012CN202431232U Integral hook slip
09/12/2012CN202431231U Injuring and bumping prevention correction device for rod-pumped well
09/12/2012CN202431230U Lift sub tool for automatically starting and stopping opening of hoisting ring
09/12/2012CN202431229U Automatic bias-adjustable beam hanger for polish rod
09/12/2012CN202431228U Deviation adjustable polished rod eye
09/12/2012CN1920241B Drilling hydraulic power cramp
09/12/2012CN102667048A Drilling a borehole and hybrid drill string
09/12/2012CN102661128A Automatic drill pipe placing and withdrawing device
09/12/2012CN102661127A Installing structure of cathead, and rotary drilling rig
09/12/2012CN102661126A Multifunctional maintenance service device for petrol drilling machine
09/12/2012CN102661125A Hydraulic integral-type tensioning ring of water separation tube
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