| 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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| 05/26/1983 | WO1983001810A1 Handling apparatus for pipe and other tubulars |
| 05/25/1983 | EP0079846A1 Segmented elevator link |
| 05/10/1983 | US4382738 Pipe handling system |
| 05/10/1983 | US4382591 Clamping means for trough of pipe handling apparatus |
| 05/10/1983 | US4382361 Ocean floor dredge system having a pneumohydraulic means suitable for providing tripping and heave compensation modes |
| 05/03/1983 | US4381685 Pipe joint make-up and break-out tool |
| 05/03/1983 | US4381584 Dual string spider |
| 05/03/1983 | CA1145740A2 Well slip unit |
| 04/19/1983 | US4380297 Pipe storage system |
| 04/12/1983 | US4379676 Pipe handling system |
| 04/12/1983 | US4379657 Riser tensioner |
| 04/05/1983 | CA1144067A1 Carrier for blowout preventer |
| 03/22/1983 | US4377213 Dual bushing centralizer |
| 03/01/1983 | CA1142166A1 Pipe manipulator |
| 02/22/1983 | CA1141746A2 Well slip unit |
| 02/16/1983 | EP0072339A2 Slip-type elevator locking mechanism |
| 02/09/1983 | EP0061473A4 System for transferring pipe. |
| 02/09/1983 | EP0060295A4 Tube handling apparatus. |
| 02/08/1983 | US4372706 Emergency cable gripper |
| 02/08/1983 | US4372153 Pipe clamp and a probing device comprising a pipe clamp |
| 02/08/1983 | US4372026 Method and apparatus for connecting and disconnecting tubular members |
| 02/01/1983 | US4371302 Pipe handling apparatus |
| 02/01/1983 | US4371046 Apparatus for and method of drilling a hole into the ground |
| 02/01/1983 | US4371041 Multi-purpose mobile drill rig |
| 02/01/1983 | CA1140528A1 Rotary power slips |
| 01/18/1983 | US4368873 Vehicular mounted pipe presser |
| 01/18/1983 | US4368789 Drilling apparatus |
| 01/11/1983 | US4367796 Blowout preventer and guideline handling |
| 01/11/1983 | CA1139299A1 Pipe-conveying catwalk |
| 01/05/1983 | EP0068610A2 A power spinner for rotating a Kelly joint |
| 01/04/1983 | US4366606 Self-centering clamp for down-hole tubulars |
| 01/04/1983 | CA1138632A1 Process and device for positioning a supplementary tubular element to a tubular structure |
| 12/28/1982 | US4365787 Pipe string lift system |
| 12/28/1982 | CA1138420A1 Raise drill apparatus |
| 12/28/1982 | CA1138419A1 Retractable bit system |
| 12/28/1982 | CA1138418A1 Dual string elevators |
| 12/21/1982 | US4364545 Well servicing apparatus |
| 12/21/1982 | US4364540 Support-arm assembly for a drill or borer, particularly for subterranean applications |
| 12/21/1982 | US4364323 Vertical stressed mooring tether in a floating oil platform |
| 12/21/1982 | CA1137972A1 Back-up power tongs and method |
| 12/21/1982 | CA1137971A1 Well slip unit |
| 12/09/1982 | WO1982004234A1 Method and system for loading a tanker with crude or gas from a submarine terminal |
| 12/08/1982 | EP0066564A1 A device in rock or earth drilling apparatus for rotary drilling |
| 12/07/1982 | US4362438 Supporting device |
| 12/07/1982 | US4361940 Slip-type elevator locking mechanism |
| 11/25/1982 | EP0058672A4 Well pipe connecting and disconnecting apparatus. |
| 11/24/1982 | EP0065507A2 Device for reciprocating motion of a rotating drilling body of a drilling machine |
| 11/17/1982 | EP0064645A1 Guiding and positioning mechanism for the drill hammer of the taphole in a shaft furnace, and drilling device provided with this mechanism |
| 11/17/1982 | EP0064644A1 Guiding and positioning mechanism for the drill hammer of the taphole in a shaft furnace, and drilling device provided with this mechanism |
| 11/16/1982 | US4359095 Well support system |
| 11/16/1982 | US4359089 Carrier for blowout preventer |
| 11/09/1982 | US4357994 Hydraulic well equipment hoist |
| 11/09/1982 | US4357843 Tong apparatus for threadedly connecting and disconnecting elongated members |
| 11/09/1982 | CA1135251A1 Method and apparatus for compensating well control instrumentation for the effect of vessel heave |
| 11/02/1982 | US4356871 Hydraulic control system for a rock drill |
| 11/02/1982 | CA1134717A1 Hydraulic circuitry for raise drill apparatus |
| 10/26/1982 | US4355826 Containment skirt for drilling fluid |
| 10/26/1982 | US4355477 Working machine with improved jib section |
| 10/26/1982 | US4355443 Bowl and slips assembly with improved slip inserts |
| 10/19/1982 | US4354706 Dual string elevators |
| 10/19/1982 | US4354397 Sucker rod shock absorber |
| 10/19/1982 | CA1133888A1 Rod break-out and make-up tool |
| 10/19/1982 | CA1133887A1 Pivoting foot clamp and mounting frame |
| 10/06/1982 | EP0061473A1 System for transferring pipe. |
| 10/05/1982 | US4352399 Bit breaker and handle |
| 09/29/1982 | EP0061239A1 System for pumping subterranean fluids |
| 09/28/1982 | US4351399 Drill |
| 09/28/1982 | US4351398 Well drilling apparatus |
| 09/28/1982 | US4351261 Riser recoil preventer system |
| 09/28/1982 | CA1132530A1 Articulate support arm for drilling jar |
| 09/22/1982 | EP0060295A1 Tube handling apparatus. |
| 09/21/1982 | US4350062 Power tong |
| 09/21/1982 | US4349952 Apparatus and method for field conversion of corroded pivotal couplings to non-corrodable couplings |
| 09/14/1982 | US4349048 Pipe thread protector |
| 09/14/1982 | US4348920 Well pipe connecting and disconnecting apparatus |
| 09/14/1982 | CA1131611A1 Hydraulic catworks system |
| 09/07/1982 | CA1131211A1 Apparatus for storing and moving a drill pipe to a position in alignment with the axis of a drill hole |
| 09/07/1982 | CA1131052A1 Chuck and wrench assembly for raise drill apparatus |
| 09/01/1982 | EP0058672A1 Well pipe connecting and disconnecting apparatus. |
| 08/31/1982 | US4347029 Pipe transfer system |
| 08/31/1982 | US4347028 Pipe handling apparatus |
| 08/31/1982 | US4346631 Well pipe spinning and torqueing apparatus |
| 08/31/1982 | US4346629 Tong assembly |
| 08/24/1982 | US4345864 Pipe manipulator |
| 08/24/1982 | US4345493 Drill rod holding and break-out device |
| 08/10/1982 | US4343367 Drilling machine positioning arrangement |
| 08/03/1982 | US4342487 Automatic roof bolting drill retention apparatus |
| 07/27/1982 | US4341373 Hydraulic well derrick with cable lifts |
| 07/27/1982 | US4341270 Drill string suspension tower |
| 07/20/1982 | US4340122 Mounted drilling apparatus |
| 07/20/1982 | US4339946 Hydraulic depth indicator for hydraulic drilling machines |
| 07/20/1982 | CA1128034A1 Kelly drive bushing adapter |
| 07/13/1982 | US4339006 Method and apparatus for mine roof drilling |
| 06/29/1982 | US4336901 Injection assembly |
| 06/29/1982 | US4336840 Double cylinder system |
| 06/29/1982 | US4336637 Safety clamp |
| 06/29/1982 | CA1126766A1 Arrangement for cooling the cutter teeth of the cutting tool of a rock-cutting machine and for cooling the breast |
| 06/29/1982 | CA1126720A1 Power tong |
| 06/22/1982 | US4335792 Working board for drilling rig |
| 06/22/1982 | CA1126301A1 Apparatus for drifting openings in hard rock |