| 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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| 01/29/1986 | EP0061473B1 System for transferring pipe |
| 01/28/1986 | US4566318 Method for optimizing the tripping velocity of a drill string |
| 01/21/1986 | US4565394 Dual-wall drill pipe |
| 01/21/1986 | CA1199627A1 Pipe pickup and laydown machine |
| 01/15/1986 | EP0167979A1 Lateral hole boring method and apparatus |
| 01/08/1986 | EP0060295B1 Tube handling apparatus |
| 01/07/1986 | US4563391 Ribbon rod for use in oil well apparatus |
| 01/02/1986 | EP0166675A2 Wrench and wrench assembly |
| 01/02/1986 | EP0166082A1 Torque limiting hydraulic circuit |
| 12/31/1985 | US4561803 Conductor guide system for offshore drilling platform |
| 12/31/1985 | US4561802 Assembly of conductor guides for offshore drilling platform |
| 12/27/1985 | EP0165479A2 Drill pipe |
| 12/24/1985 | CA1198264A1 Apparatus for screwing pipes together |
| 12/17/1985 | US4558748 Method and equipment for boring and casing air vent holes and/or delivery holes in medium-steep and steep dip coal deposits and rocks of loose structure |
| 12/10/1985 | US4557332 For use in a floating vessel |
| 12/04/1985 | EP0163012A2 Apparatus for screwing tubes and sleeves |
| 11/27/1985 | EP0162797A1 Interference warning device |
| 11/26/1985 | US4555092 System for operation of a direct drive dual drum winch |
| 11/21/1985 | EP0162001A1 Top drive well drilling apparatus with improved wrench assembly |
| 11/21/1985 | EP0162000A1 Top drive well drilling apparatus with removable link adapter |
| 11/19/1985 | US4553612 Earth boring machine |
| 11/19/1985 | US4553590 Apparatus for pumping subterranean fluids |
| 11/19/1985 | US4553301 Threadedly fixing apparatus |
| 11/19/1985 | CA1196908A1 Spinning tool for pipe, rod and cylinder rotation |
| 11/12/1985 | US4552498 Pickup and lay-down apparatus |
| 11/12/1985 | US4552339 Hoisting device with compensated tackle |
| 11/12/1985 | US4552041 Power tongs control system |
| 11/05/1985 | US4550942 Elevator/spider with counterbalance |
| 11/05/1985 | CA1196232A1 Offshore process vessel and a method of operating same to receive oil and/or gas production from a subsea well |
| 10/30/1985 | EP0159974A2 A feed beam for a rock drill |
| 10/30/1985 | EP0159827A2 Process and apparatus for drill stem breakout during drilling operation |
| 10/30/1985 | EP0159374A1 Reducer coupling and positioner tool for the coupling |
| 10/22/1985 | CA1195585A1 Moonpool plug for connecting a flexible flowline to a process vessel |
| 10/16/1985 | EP0157864A1 Heave compensation for a pipeline hoisting system. |
| 10/15/1985 | US4547110 Oil well drilling rig assembly and apparatus therefor |
| 10/15/1985 | US4547109 Drill pipe handling and placement apparatus |
| 10/15/1985 | CA1195241A1 Positioning of well pipe jack in a rig |
| 10/08/1985 | US4545437 Drilling riser locking apparatus and method |
| 10/08/1985 | US4545269 Machine to apply a screwing or unscrewing torque |
| 10/08/1985 | CA1194855A1 Drilling of wells with top drive unit |
| 10/02/1985 | EP0156575A2 Clamps |
| 09/24/1985 | US4542944 Multiple disk brake control |
| 09/10/1985 | US4539893 Power feed system for a rotary drill |
| 09/10/1985 | CA1193188A1 Soft retainer with inflatable element |
| 09/10/1985 | CA1193187A1 Multiterminators for riser pipes |
| 09/03/1985 | US4538858 Apparatus for drilling and inserting a horizontal pipe |
| 09/03/1985 | CA1192752A1 Well support system |
| 08/28/1985 | EP0153224A1 Procedure and device for determining the fastening torque of a tubular joint provided with a conical screwthread and a fastening limit stop, usable in the petrol industry |
| 08/20/1985 | US4535972 System to control the vertical movement of a drillstring |
| 08/20/1985 | CA1192180A1 Feed storage for drill rods for a long-hole drilling apparatus |
| 08/13/1985 | US4534424 Retrievable telemetry system |
| 08/07/1985 | EP0150695A2 Well drilling assembly |
| 08/06/1985 | US4533162 Stabbing box and safety slip for making tubing connections |
| 08/06/1985 | US4533055 Storage rack for drilling tubulars |
| 08/06/1985 | CA1191506A1 Hoist pull down system for blast hole drill |
| 08/06/1985 | CA1191505A1 Power tong and jaw apparatus |
| 08/06/1985 | CA1191451A1 Means for sealing a gap around a conductor pipe |
| 07/30/1985 | US4531875 Automated pipe equipment system |
| 07/23/1985 | CA1190919A1 Power tong and back-up tong assembly |
| 07/23/1985 | CA1190851A1 Tube injector |
| 07/17/1985 | EP0148768A2 Clamp |
| 07/17/1985 | EP0148588A1 Underground longhole drilling machine |
| 07/16/1985 | US4529046 Device for producing boreholes in coal or the like |
| 07/16/1985 | US4529045 Top drive drilling unit with rotatable pipe support |
| 07/10/1985 | EP0147511A2 Apparatus for power transmission, in particular for receiving drill pipes |
| 07/03/1985 | EP0147144A2 Conductor guide arrangements for offshore well platforms |
| 06/26/1985 | EP0146365A2 Conductor guide arrangements for offshore well platforms |
| 06/19/1985 | EP0144641A2 Service derrick for a well pump |
| 06/19/1985 | EP0144425A1 Vertical hole-boring machine |
| 06/18/1985 | US4523645 Method of and apparatus for moving reeled material into and retrieving it from the upper end of a well bore in the earth's surface |
| 06/11/1985 | US4522439 Automatic pipe elevator |
| 06/11/1985 | US4522430 Quick connect coupler |
| 06/10/1985 | EP0129550A4 Earth-working machine. |
| 06/04/1985 | US4520879 Ratchet and hydraulic seal assembly for rotating hollow shafts |
| 06/04/1985 | CA1188364A1 Method of and apparatus for mining analysis |
| 05/28/1985 | US4519585 Drawworks brake control |
| 05/28/1985 | US4519584 Fence post driver |
| 05/28/1985 | CA1187867A1 Pipe handling apparatus with holding means for trough of pipe handling apparatus |
| 05/22/1985 | EP0142477A2 Pipe handling assembly |
| 05/21/1985 | US4518309 High speed pipe handling apparatus |
| 05/21/1985 | CA1187476A1 Fluid actuated jack mechanism |
| 05/15/1985 | EP0141728A2 Device for sound attenuation of drills |
| 05/15/1985 | EP0141570A1 Marine heave compensating method and device |
| 05/14/1985 | US4516881 Multiterminators for riser pipes |
| 05/14/1985 | US4516637 Hoisting apparatus and method for raising oil tubing |
| 05/14/1985 | CA1187180A1 Method and apparatus for tallying pipe |
| 05/07/1985 | US4515220 Apparatus and method for rotating coil tubing in a well |
| 05/07/1985 | US4515211 Tool cable feeding system |
| 05/07/1985 | US4515045 Automatic wrench for screwing a pipe string together and apart |
| 05/07/1985 | US4515020 Method and apparatus for ensuring correct thread make-up of a pipejoint |
| 05/02/1985 | EP0139237A1 Apparatus for transferring pipe |
| 05/02/1985 | EP0138820A1 Plant for making bore-holes in the side walls of underground exploitation chambers of small width. |
| 04/30/1985 | US4514103 Safety guides for use with a rotary hose and kelly spinner hoses and the combination thereof |
| 04/30/1985 | CA1186300A2 Pipe handling machine |
| 04/25/1985 | WO1985001775A1 Heave compensation for a pipeline hoisting system |
| 04/24/1985 | EP0138472A1 Method and apparatus for analysis of torque applied to a joint |
| 04/24/1985 | EP0058672B1 Well pipe connecting and disconnecting apparatus |
| 04/23/1985 | US4512409 Moonpool guidance system for floating structures |
| 04/23/1985 | US4512408 Moonpool guidance system for drill strings having attached umbilical lines |
| 04/23/1985 | US4512216 Pipe spinner |