| 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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| 09/23/1986 | US4613849 Interference warning device |
| 09/23/1986 | US4613001 Weather protected offshore drilling rig |
| 09/23/1986 | US4612993 Riser position indication apparatus |
| 09/23/1986 | CA1211750A1 Drill rod opening device for sectional rod drilling equipment |
| 09/17/1986 | EP0194956A2 Stand jumping and stabbing guide device and method |
| 09/09/1986 | US4610315 Pipe handling apparatus for oil drilling operations |
| 09/09/1986 | US4610314 Truck mounted drilling machine |
| 09/09/1986 | US4610139 Hydraulic speed control and braking apparatus for draw works |
| 09/09/1986 | CA1211102A1 Pneumatic power tongs control system |
| 08/27/1986 | EP0192253A1 Boom assembly |
| 08/19/1986 | US4606673 Spar buoy construction having production and oil storage facilities and method of operation |
| 08/13/1986 | EP0190669A2 Drilling apparatus |
| 08/12/1986 | US4605078 In an earth and rock drilling machine |
| 08/12/1986 | US4605077 Well apparatus |
| 08/12/1986 | US4604922 Drill pipe turning device |
| 08/06/1986 | EP0189764A2 Apparatus for percussion drilling long holes |
| 08/06/1986 | EP0189600A1 Apparatus for producing thread connections between pipes |
| 08/05/1986 | US4604724 Automated apparatus for handling elongated well elements such as pipes |
| 08/05/1986 | US4603464 Stand jumping and stabbing guide device and method |
| 07/30/1986 | CN85103021A Big vice with pressure-increased power |
| 07/23/1986 | EP0188190A2 A drilling and/or lifting machine |
| 07/22/1986 | US4601348 Reversible auger drive kit for post hole digger |
| 07/15/1986 | US4601000 Electrohydraulic control system for a rockdrill assembly |
| 07/15/1986 | US4599778 Installing or centering mechanism for pipes to be screwed into one another |
| 07/15/1986 | CA1207657A1 Device for rapidly connecting rods, tubes and casings, particularly for offshore drilling |
| 07/09/1986 | CN85200440U Clamping device for rat-hole scabbard bit |
| 07/08/1986 | CA1207122A1 Delayed deployment platform |
| 07/02/1986 | CA1206998A1 Journal bearing |
| 07/01/1986 | US4597595 Swivel-less coupling apparatus |
| 06/25/1986 | EP0185605A1 Top drive drilling systems |
| 06/24/1986 | US4596494 Device for positioning and applying tension to a set of rods for holding a partially submerged platform |
| 06/19/1986 | WO1986003534A1 Clamping arrangement to device for driving into the ground rod elements of low rigidity |
| 06/18/1986 | EP0184973A2 Supporting system for a riser |
| 06/17/1986 | US4595066 Apparatus for handling drill pipes |
| 06/17/1986 | US4595065 Shaft drilling rig |
| 06/17/1986 | US4595062 Well casing jack mechanism |
| 06/10/1986 | US4593773 Well drilling assembly |
| 06/10/1986 | US4593584 Power tongs with improved hydraulic drive |
| 06/10/1986 | CA1205740A1 Marine riser tensioner |
| 06/03/1986 | US4592426 In a fluid connection system |
| 06/03/1986 | US4592125 Method and apparatus for analysis of torque applied to a joint |
| 05/28/1986 | EP0182500A1 Carousel rod loader |
| 05/27/1986 | US4591131 Draw works traveling block motion control apparatus |
| 05/27/1986 | US4591009 Drill soundproofing device |
| 05/27/1986 | US4591007 Well tubing handling apparatus |
| 05/27/1986 | US4591006 Well servicing rig |
| 05/27/1986 | US4591005 Drill rod opening device for sectional-rod drilling equipment |
| 05/27/1986 | US4590823 Dual-string tubing tong and method |
| 05/20/1986 | US4589802 Slip assembly for subsea template |
| 05/20/1986 | US4589796 Glass fiber sucker rod system |
| 05/20/1986 | US4589503 Top drive drilling apparatus with improved wrench assembly |
| 05/20/1986 | US4589499 Horizontal drilling apparatus |
| 05/13/1986 | US4588037 Turret for roof bolting apparatus |
| 05/13/1986 | CA1204428A1 Earth drilling apparatus |
| 05/07/1986 | EP0180169A1 Transportable working tool for the underground driving of product pipes |
| 05/06/1986 | US4586744 Apparatus for lifting and handling an object |
| 05/06/1986 | US4586572 Well drilling apparatus |
| 05/06/1986 | US4586571 Method of and arrangement for positioning of a drilling apparatus |
| 05/06/1986 | CA1204104A1 Apparatus and method for assembly-disassembly of a spring loaded hook |
| 04/29/1986 | US4585213 Well derrick |
| 04/29/1986 | US4585079 Method and a machine for handling drill pipes |
| 04/29/1986 | US4585066 Well treating process for installing a cable bundle containing strands of changing diameter |
| 04/29/1986 | US4585061 Apparatus for inserting and withdrawing coiled tubing with respect to a well |
| 04/22/1986 | CA1203528A1 Pipe carousel for well-drilling rig |
| 04/15/1986 | US4582146 Earth drilling apparatus |
| 04/15/1986 | US4582133 Pipe handling assembly |
| 04/10/1986 | CN85108188A Drilling and /or lifting machine |
| 04/10/1986 | CN85108187A Pile driver, pile drawer and/or drilling machine |
| 04/02/1986 | EP0176335A1 Pipe handling apparatus |
| 04/01/1986 | US4579379 Elevator/spider with improved locking mechanism |
| 04/01/1986 | US4579024 Power tongs and control system |
| 04/01/1986 | US4578991 For maintaining stress cycle control to prevent down-hole failure |
| 03/25/1986 | US4578642 Method and apparatus for measuring velocity of ferromagnetic tubing |
| 03/25/1986 | US4577703 Apparatus for making boreholes in the lateral walls of narrow underground mine workings |
| 03/25/1986 | US4577700 Method and system for displacing drilling fluid from a drill string in a well drilling system |
| 03/18/1986 | US4576517 Marine heave compensating device |
| 03/18/1986 | US4576516 Riser angle control apparatus and method |
| 03/18/1986 | US4576254 Hydraulically actuated slip assembly |
| 03/18/1986 | US4576067 For gripping tubular members |
| 03/13/1986 | WO1986001561A1 Drillstem motion apparatus, especially for the execution of continuously operational deepdrilling |
| 03/12/1986 | EP0174055A1 An arrangement for storing pipes |
| 03/11/1986 | US4575359 Rotary drive coupling |
| 03/11/1986 | US4574664 Powered back-up tongs |
| 03/05/1986 | EP0172960A1 Continuous feeding and torqueing device for a drill stem |
| 03/04/1986 | US4573359 System and method for assuring integrity of tubular sections |
| 02/25/1986 | US4572589 Journal bearing |
| 02/25/1986 | US4572304 Portable seabed penetration system |
| 02/25/1986 | US4572036 Power tong and jaw apparatus |
| 02/25/1986 | CA1201062A1 Pipe base well screen and system for joining a plurality of well screen segments |
| 02/25/1986 | CA1201060A1 Riser support system |
| 02/18/1986 | US4570715 Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature |
| 02/18/1986 | US4570706 Device for handling rods for oil-well drilling |
| 02/18/1986 | US4570705 Sheave drive assembly for flexible production tubing |
| 02/12/1986 | EP0171368A1 Apparatus for transferring drill rods from a rod store to the rotation head of a drilling machine and vice versa |
| 02/12/1986 | EP0171187A1 Control system for power tongs |
| 02/12/1986 | EP0171144A1 Device for handling well casings |
| 02/05/1986 | EP0170195A1 Powered back-up tongs |
| 02/04/1986 | US4567952 Process and apparatus for locking and releasing of a drilling shaft with essentially vertical axis |
| 02/04/1986 | US4567842 Weight type motion compensation system for a riser moored tanker |
| 02/04/1986 | US4567779 Method and apparatus for torque monitoring |