Patents
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)
05/2009
05/20/2009CN201241622Y Drill rod clamper of non-digging pipe laying drill
05/20/2009CN101438026A Tubular running tool
05/20/2009CN101435313A Top butt-joint type oil rig headframe
05/19/2009US7533732 Dual entry apparatus for a subterranean borehole
05/19/2009US7533720 Seal configuration for top drive swivel apparatus and method
05/19/2009CA2537698C Drillpipe spinner
05/19/2009CA2533725C Apparatus and method for performing earth borehole operations
05/19/2009CA2477186C Tong jaw and a method for constructing the tong jaw
05/19/2009CA2455685C Rock drill silencing apparatus
05/19/2009CA2400991C Foundation for suction in installation of conductor casing
05/14/2009WO2009061978A2 Apparatus for gripping a down hole tubular for use in a drilling machine
05/14/2009WO2009061826A1 Apparatus and method to grip and/or handle tubulars
05/14/2009WO2009061708A2 Power slips
05/14/2009WO2009061211A2 Riser system comprising pressure control means
05/14/2009WO2009059375A1 Drill string support
05/14/2009US20090120649 Power Slips
05/14/2009CA2704629A1 Riser system comprising pressure control means
05/13/2009CN201236647Y Hydraulic pliers
05/13/2009CN201236646Y Pipe swinging apparatus of oil tube and pumping rod
05/13/2009CN201236645Y Valve block type friction slips
05/13/2009CN201236644Y Doubly-linked support arm cam type well pipe chuck
05/13/2009CN201236643Y Drilling dual-purpose power clamp
05/13/2009CN201236642Y Shaft mouth elevator apparatus
05/13/2009CN201236641Y Built-in lower oil tube multi-stage hydraulic expansion cylinder
05/13/2009CN201236640Y Novel travelling hoist compensating system
05/13/2009CN201236627Y Oil field well workover operation machine
05/13/2009CN101432498A Top drive apparatus
05/13/2009CN101429856A Hydraulic pliers
05/13/2009CN101429855A Pipe swinging apparatus of oil tube and pumping rod
05/13/2009CN101429854A Hook block assembly for well workover
05/13/2009CN101429847A Oil field well workover operation machine
05/13/2009CN101429846A Hydraulic bearing walking device
05/12/2009US7530766 Device and method for laying rigid tubular pipes
05/12/2009US7530399 Delivery system for downhole use
05/12/2009CA2512940C Apparatus for positioning a tong and drilling rig provided with such an apparatus
05/07/2009WO2009059301A1 End stop apparatus and methods
05/07/2009WO2009058508A2 Drilling assemblies and methods of drilling
05/07/2009WO2009058023A1 A device for a power tong
05/07/2009WO2009056839A2 Tool storage assembly
05/07/2009WO2009055861A1 Handling apparatus
05/07/2009WO2009026205A3 Portable drill pipe handling apparatus for use with oil and gas well drilling rigs
05/07/2009WO2008155664A3 Arm assembly and methods of passing a pipe from a first vessel to a second vessel
05/07/2009WO2007090034A3 Horizontal drilling system with oscillation control
05/07/2009US20090114446 Well drilling machine with new drill pipe loader
05/07/2009US20090114403 Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing
05/07/2009US20090114399 End stop apparatus and methods
05/07/2009CA2704424A1 End stop apparatus and methods
05/07/2009CA2704303A1 Tool storage assembly
05/06/2009EP1924756B1 Drilling rig and method for introducing one or more drilling pipes into an underbalanced well using same
05/06/2009EP1753935B1 Multiple activity rig
05/06/2009CN201232528Y Automatic chuck for petroleum well workover
05/06/2009CN101427001A Apparatus and method for running tubulars
05/06/2009CN101424168A Oil pipe lift-unloading system
05/06/2009CN101424162A Back tong for top-drive drilling unit
05/05/2009US7528736 Loaded transducer for downhole drilling components
05/05/2009US7527093 Self-tightening safety tubular clamp
04/2009
04/30/2009WO2009055590A2 Pipe handling apparatus and method
04/30/2009WO2009055213A2 Drill pipe elevators and methods of moving drill pipe
04/30/2009US20090107727 Method and Device at Rock Drilling
04/30/2009US20090107726 Drilling Assemblies and Methods of Drilling
04/30/2009US20090107675 Liner Drilling and Cementing System Utilizing a Concentric Inner String
04/30/2009CA2833845A1 Remotely operated single joint elevator
04/30/2009CA2703703A1 Pipe handling apparatus
04/30/2009CA2702809A1 Remotely operated single joint elevator
04/29/2009EP1825096A4 Wellbore tubular handling torque multiplier
04/29/2009EP1819896B1 Top drive unit, pipe gripping device and method of drilling a wellbore
04/29/2009CN101417613A Drop box for powertrain
04/23/2009WO2009052298A1 Method and apparatus for managing rod changes in horizontal directional drill
04/23/2009US20090101361 Tubular running system
04/23/2009US20090101359 High Pressure Wireline Top-Entry Packoff Apparatus and Method
04/23/2009US20090101345 Liner Drilling System with Retrievable Bottom Hole Assembly
04/23/2009US20090101333 Stripper rubber with integral retracting retention member connection apparatus
04/23/2009US20090101332 Method and apparatus for drilling with casing
04/23/2009US20090101331 Stabilizer for pipe handling equipment
04/22/2009EP2050921A2 Control line guide and method of using same
04/22/2009CN201225105Y Drill head mounting and dismounting apparatus
04/22/2009CN201225104Y Hydraulic buckle screwing machine capable of automatically reversing
04/22/2009CN201225103Y Power drill box
04/22/2009CN201225102Y Tool for taking out pumping rod
04/22/2009CN201225101Y Automatic loading and unloading device of drill rod projecting coal bed
04/21/2009US7520330 System and method for limiting vortex-induced vibrations on an offshore production riser
04/21/2009CA2345244C An apparatus for facilitating the connection of tubulars using a top drive
04/16/2009WO2009049006A2 Pipe connection system
04/16/2009WO2007002878A3 System and method for relocating extended length objects
04/16/2009US20090095526 Method and Apparatus for Managing Rod Changes in Horizontal Directional Drill
04/16/2009US20090095491 Coiled tubing/top drive rig and method
04/16/2009US20090095489 Apparatus for gripping a downhole tubular
04/16/2009US20090095488 Apparatus and method for facilitating the connection of tubulars using a top drive
04/16/2009CA2701232A1 Pipe connection system
04/15/2009CN201221326Y Oil tubing tong
04/15/2009CN201221325Y Automatic bit feed system of well drilling winch capstan hydraulic motor
04/15/2009CN201221324Y Non-bolt vibration damping type oil pumping polished rod clamp
04/15/2009CN201221323Y Rope suspension machine for oil pumping machine
04/15/2009CN201221322Y Novel petroleum well drilling hoisting system and headframe
04/15/2009CN201221321Y Portable safe type well head equipment mounting and hanging tools
04/14/2009US7516798 Coiled tubing transport system and method
04/14/2009US7516783 Double pin connector and hydraulic connect with seal assembly
04/14/2009CA2387825C Apparatus for manipulating a load
04/14/2009CA2314856C Lateral entry guidance system
04/09/2009WO2009016353A3 Winch assembly
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