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