| 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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| 01/12/1988 | US4719316 Splice for pushing and pulling cable |
| 01/12/1988 | US4718805 Pipe handling apparatus |
| 01/12/1988 | US4718486 Portable jet pump system with pump lowered down hole and raised with coiled pipe and return line |
| 01/05/1988 | US4717183 Conical thread configuration for rapid make-up connection |
| 01/05/1988 | US4716794 Opening device for an extension rod drilling equipment |
| 01/05/1988 | CA1231088A1 Powered back-up tongs |
| 12/29/1987 | US4715761 Universal floor mounted pipe handling machine |
| 12/29/1987 | US4715625 For supporting a pipe |
| 12/29/1987 | US4715456 Slips for well pipe |
| 12/29/1987 | US4715253 Line wrap power tongs |
| 12/23/1987 | EP0249745A2 Apparatus with a spider for gripping the end of a pipe or the like |
| 12/17/1987 | WO1987007674A1 Device and method for handling pipe elements |
| 12/17/1987 | WO1987007673A1 Arrangement in a hoisting device, especially for a derrick |
| 12/16/1987 | CN87104315A Arrangement for supporting of shank of drilling machine |
| 12/15/1987 | US4712624 Rock drill with tunnel profile control system |
| 12/15/1987 | US4712620 Upper marine riser package |
| 12/15/1987 | US4712284 Power tongs with hydraulic friction grip for speciality tubing |
| 12/15/1987 | CA1230358A1 Threaded connection integrally provided with an anti-unthreading lock |
| 12/01/1987 | US4709766 Well pipe handling machine |
| 12/01/1987 | US4709599 Compensating jaw assembly for power tongs |
| 12/01/1987 | CA1229844A1 Offshore drilling rig with enclosed work area |
| 12/01/1987 | CA1229843A1 Automatic pipe elevator |
| 11/24/1987 | US4708581 Method for operating a drilling apparatus |
| 11/24/1987 | US4708563 Arrangement for storing pipes |
| 11/24/1987 | US4708532 Apparatus for storing a concrete feeding hose in a rock bolting device |
| 11/24/1987 | US4708525 Multiterminators for riser pipes |
| 11/24/1987 | US4708178 Fluid coupling system |
| 11/19/1987 | EP0245394A1 A method and a drilling rig for drilling a bore well. |
| 11/19/1987 | EP0245370A1 Powered pipe wrench. |
| 11/17/1987 | US4706997 For A.P.I. standard round or buttress thread tubing or casing |
| 11/17/1987 | CA1229333A1 Truck mounted drilling machine |
| 11/04/1987 | EP0244194A2 Anti-rotation tubular connection for flowlines or the like |
| 11/04/1987 | EP0243993A1 Gripping and lifting clamp for pipes and cylindrical objects of large dimensions |
| 11/04/1987 | EP0129550B1 Earth-working machine |
| 11/03/1987 | US4703811 Drilling and/or lifting machine |
| 11/03/1987 | CA1228848A1 Tong assembly |
| 10/27/1987 | US4702621 Bearing arrangement for a feeding device for a drilling machine |
| 10/27/1987 | US4702320 For installing subsea devices |
| 10/22/1987 | DE3711210A1 Bar-guide arrangement for equipping an elongated bore |
| 10/22/1987 | DE3612762A1 Telescopic drilling implement |
| 10/21/1987 | EP0242256A1 Process and device for measuring characteristics of geological formations in a horizontal borehole coming from an underground tunnel |
| 10/20/1987 | US4700787 Power tong torque control |
| 10/13/1987 | US4699191 Hose coupling mechanism |
| 10/13/1987 | CA1228018A1 Retrievable telemetry system |
| 10/06/1987 | US4698631 Surface acoustic wave pipe identification system |
| 10/06/1987 | US4698590 Method and apparatus for measuring velocity of ferromagnetic tubing |
| 10/06/1987 | US4698570 Boom positioning apparatus for rock drill |
| 10/06/1987 | US4697830 Stabbing guide |
| 10/06/1987 | US4697648 Spring-loaded suspension system for augers and screw anchors |
| 10/01/1987 | DE3609697A1 Rock drilling machine with a casing magazine and a casing feed |
| 09/29/1987 | US4696377 Brake system for drawworks |
| 09/29/1987 | US4696207 Well pipe handling machine |
| 09/29/1987 | US4696206 For gripping a section of pipe |
| 09/29/1987 | CA1227380A1 Motion compensation means for a floating production system |
| 09/22/1987 | US4695040 Erecting rig for a well pump |
| 09/22/1987 | US4694909 Riser support system |
| 09/22/1987 | US4694712 Well string section spinning tool |
| 09/22/1987 | CA1227189A1 Top drive well drilling apparatus with improved wrench assembly |
| 09/22/1987 | CA1227127A1 Erecting rig for a well pump |
| 09/17/1987 | DE3608511A1 Wagon drill with magazine-mounting device |
| 09/15/1987 | US4693498 Anti-rotation tubular connection for flowlines or the like |
| 09/08/1987 | US4692081 Riser pipe elevator |
| 09/08/1987 | US4691791 Knurled drill stem |
| 09/08/1987 | US4691788 Lateral hole boring method and apparatus |
| 09/08/1987 | US4691787 Earth auger |
| 09/02/1987 | EP0234880A2 Pipe handling apparatus and method |
| 08/26/1987 | EP0233794A1 Apparatus for connecting auxiliary lines to an underwater drilling equipment |
| 08/25/1987 | US4688764 For supporting and manipulating objects |
| 08/25/1987 | US4688632 Quick connect wellhead adapter |
| 08/25/1987 | US4688453 Apparatus for making and braking connections between screw threaded tubular members |
| 08/18/1987 | US4687401 Pipe positioner |
| 08/18/1987 | US4686873 Casing tong assembly |
| 08/13/1987 | WO1987004754A1 An apparatus in rock drilling machines or the like |
| 08/12/1987 | EP0232214A2 Lifting head |
| 08/12/1987 | EP0231414A1 Earth auger |
| 08/11/1987 | CA1225448A1 Interference warning device |
| 08/05/1987 | CN86106524A Opening device for drill rods for an extension rod drilling equipment |
| 08/04/1987 | US4684314 Pipe handling apparatus |
| 08/04/1987 | US4684306 Auxiliary workover rig |
| 08/04/1987 | US4683994 Shifting apparatus for a drawworks transmission |
| 08/04/1987 | US4683962 Spinner for use in connecting pipe joints |
| 07/29/1987 | CN86106887A Opening device for extension rod drilling equipment |
| 07/28/1987 | US4682899 Feed beam for a rock drill |
| 07/28/1987 | CA1224633A1 Turret for roof bolting apparatus |
| 07/21/1987 | US4681193 For use in the rotary table of an earth drilling rig |
| 07/21/1987 | US4681170 Rock drills for drilling continuously arrayed bores |
| 07/21/1987 | US4681169 Apparatus and method for supplying electric power to cable suspended submergible pumps |
| 07/21/1987 | US4681158 Casing alignment tool |
| 07/15/1987 | EP0228907A2 Apparatus for handling drilling equipment, especially for off-shore drilling |
| 07/14/1987 | US4679469 Power tongs controller with persisting torque |
| 07/14/1987 | CA1224205A1 Pressurized medium actuated gripping device |
| 07/01/1987 | EP0227534A1 Resilient swivel support |
| 06/30/1987 | US4676312 Well casing grip assurance system |
| 06/24/1987 | EP0225979A1 Earth drilling device |
| 06/24/1987 | CN85109007A Cable installation for heater |
| 06/23/1987 | CA1223247A1 Well drilling assembly |
| 06/17/1987 | CN85109010A Technology for installing bunched cables having strands with different diameter into a well |
| 06/16/1987 | US4673035 Method and apparatus for injection of tubing into wells |
| 06/16/1987 | CA1223003A1 Well drilling apparatus |
| 06/16/1987 | CA1223002A1 Clamp and insert for clamping drilling tubulars |