| 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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| 06/21/2000 | EP1009911A1 Arrangement for supporting rock drilling apparatus |
| 06/21/2000 | CN1053725C Coiled well screen |
| 06/18/2000 | CA2686627A1 Electrically sequenced tractor |
| 06/15/2000 | WO2000034623A1 Method and rock drilling apparatus for controlling rock drilling |
| 06/15/2000 | WO2000034620A1 Trailer mounted coiled tubing rig |
| 06/15/2000 | WO2000034619A1 Deep ocean drilling method |
| 06/15/2000 | WO2000034618A1 Deep ocean drilling system |
| 06/15/2000 | WO2000034617A1 Method for correcting positioning errors in rock drilling, and a rock drilling equipment |
| 06/14/2000 | EP1007866A1 T-bar wireline clamp |
| 06/14/2000 | CN2382833Y Anti-theft bridge base |
| 06/14/2000 | CN2382832Y Lock leak coupler of oil well |
| 06/14/2000 | CN1256352A Coilable oil well screen pipe |
| 06/13/2000 | US6074153 Drill rods feeding device |
| 06/13/2000 | US6073699 Single joint elevator |
| 06/13/2000 | US6073659 Method and apparatus of removing liquid from underground cavity by directional drilling |
| 06/08/2000 | WO2000032903A1 Supply system and method for changing wires in a riser tensioner system |
| 06/07/2000 | EP0715679B1 Arrangement for mounting slides |
| 06/07/2000 | CN2381766Y Ground drilling cable device for drilling rig |
| 06/06/2000 | USRE36723 Spoolable coiled tubing completion system |
| 06/06/2000 | US6070500 Rotatable die holder |
| 05/31/2000 | CN1255183A Apparatus for and method of supporting tubular member |
| 05/30/2000 | US6068426 Method of connecting conduits |
| 05/30/2000 | US6068069 Multi-activity offshore exploration and/or development drilling method and apparatus |
| 05/30/2000 | US6068066 Hydraulic drilling rig |
| 05/25/2000 | WO2000011308A3 Drilling device and method for drilling a well |
| 05/24/2000 | EP1002183A1 A method and a device for use in coiled tubing operations |
| 05/23/2000 | US6065372 Power wrench for drill pipe |
| 05/18/2000 | WO2000027740A1 Load rotation device |
| 05/18/2000 | DE19852500A1 Stone drilling machine has centrally located drill carriage variable around horizontal axis with magazines in free space in transport position |
| 05/16/2000 | US6062650 Continuous control system for a mining or tunnelling machine |
| 05/16/2000 | CA2163720C Method and a device for use in coil pipe operations |
| 05/11/2000 | WO2000026500A1 Method for transporting and installing an expandable steel tubular |
| 05/10/2000 | CN2377343Y Thread protecting thread-off machine for pipe |
| 05/09/2000 | US6059620 Arrangement for minimizing the explosion potential in moored turrets for hydrocarbon storage vessels |
| 05/09/2000 | US6059029 Coiled tubing injector |
| 05/09/2000 | US6058811 Power tong with improved door mechanism |
| 05/04/2000 | WO2000024998A1 Pressurized slip joint for intervention riser |
| 05/04/2000 | WO2000009853A8 Elevating casing spider |
| 05/02/2000 | US6056324 Threaded connector |
| 05/02/2000 | US6056071 Multi-activity offshore exploration and/or development drilling method and apparatus |
| 05/02/2000 | US6056060 Compensator system for wellbore tubulars |
| 04/27/2000 | WO2000023686A1 Making up and breaking out of a tubing string in a well while maintaining continuous circulation |
| 04/27/2000 | CA2287679A1 Method and apparatus for heave compensated drilling with coiled tubing |
| 04/26/2000 | EP0815341B1 Dual bore riser |
| 04/26/2000 | EP0630440B1 Slip-type gripping assembly |
| 04/26/2000 | CN2375761Y Air spider for workover treatment |
| 04/26/2000 | CN2375760Y Left and right pipe clamp |
| 04/26/2000 | CN2375759Y Safety anti-releasing elevator pin |
| 04/26/2000 | CN2375758Y Hydraulic tongs torque self-controlling device |
| 04/26/2000 | CN2375757Y Releasing platform |
| 04/25/2000 | US6053255 Blowout preventer lift apparatus and method |
| 04/25/2000 | US6053252 Lightweight intervention system |
| 04/25/2000 | CA2091529C Directional drilling apparatus |
| 04/22/2000 | CA2251047A1 Method and apparatus for supporting power tongs |
| 04/20/2000 | WO2000022278A1 Drilling method |
| 04/20/2000 | WO2000022277A1 Method and device for riser tensioning |
| 04/20/2000 | WO2000004269A3 Subsea wellbore drilling system for reducing bottom hole pressure |
| 04/19/2000 | EP0993541A1 Apparatus for and a method of supporting a tubular member |
| 04/19/2000 | EP0706605B1 Drill pipe handling |
| 04/18/2000 | US6050351 Drilling hole system for horizontal boreholes |
| 04/18/2000 | US6050156 Braking mechanism for power tongs |
| 04/13/2000 | WO2000011306A3 Drilling device and method for drilling a well |
| 04/12/2000 | CN2373556Y Hydraulic well completion tubular column suspension device |
| 04/12/2000 | CN2373555Y Hydraulic power pliers with upper buckle torque regulating device |
| 04/11/2000 | US6047781 Multi-activity offshore exploration and/or development drilling method and apparatus |
| 04/11/2000 | US6047775 Blast hole drill pipe gripping mechanism |
| 04/11/2000 | US6047771 Method and a device for hauling a casing or the like up from a bore hole and for inserting the same down to a bore hole |
| 04/06/2000 | WO2000019061A1 System, apparatus, and method for installing control lines in a well |
| 04/06/2000 | WO2000019060A1 Tubular filling system |
| 04/06/2000 | WO2000019059A1 Recovery of submerged structures |
| 04/06/2000 | WO2000019058A1 An apparatus for facilitating the connection of tubulars using a top drive |
| 04/05/2000 | CN2372445Y Saucer brake caliper position regulating device |
| 04/04/2000 | US6045296 Tension ring for riser |
| 03/30/2000 | WO2000017481A1 Injector used for tubing or coiled tubing |
| 03/30/2000 | DE19843167A1 Storage rack for well-drilling rods comprizes post-confined stacking rack with swivel-transfer gripper to feed rod from rack to wellhead. |
| 03/29/2000 | EP0988439A1 Casing annulus remediation system |
| 03/29/2000 | EP0988438A1 Extension drilling system |
| 03/29/2000 | EP0988222A1 Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment |
| 03/29/2000 | CN2371331Y Multipurpose oil pipe clamp for repairing well |
| 03/28/2000 | US6041865 Method and apparatus for moving a diverter |
| 03/28/2000 | CA2085044C Well rig lift system and a hydraulic energy-storing well rig lift system |
| 03/25/2000 | CA2248484A1 Back spin swivelling device for a progressive cavity pump |
| 03/22/2000 | EP0772729B1 Arrangement in a hydraulically operated rock drilling equipment |
| 03/22/2000 | CN2370152Y Single side polish and clamp for oil pumping unit |
| 03/16/2000 | WO2000014376A1 Rock drilling device |
| 03/16/2000 | WO2000014375A1 Device for application of dope on male threads |
| 03/16/2000 | CA2342900A1 Rock drilling device |
| 03/14/2000 | CA2021781C Device for positioning of a drill bit |
| 03/09/2000 | DE19849611C1 Production of ground bores and-or destruction of old pipe conduits underground |
| 03/09/2000 | DE19839873A1 Arrangement for raising and lowering cleaning device in vertical, clad earth shaft, e.g. well shaft, has motor-driven winch above ground with pipe section on drum with central connector |
| 03/08/2000 | EP0984132A2 A system and a method for automatically controlling a pipe handling assembly for a horizontal boring machine |
| 03/08/2000 | EP0801703B1 Apparatus for deploying wireline |
| 03/07/2000 | US6032929 Arrangement in connection with a yoke in a hoisting system for a derrick |
| 03/07/2000 | US6032744 Universal pipe and tubing injection apparatus and method |
| 03/02/2000 | WO2000011311A1 Methods and apparatus for connecting tubulars using a top drive |
| 03/02/2000 | WO2000011310A1 An apparatus for connecting tubulars using a top drive |
| 03/02/2000 | WO2000011309A1 Method and apparatus for connecting tubulars using a top drive |
| 03/02/2000 | WO2000011308A2 Drilling device and method for drilling a well |
| 03/02/2000 | WO2000011307A1 Method of forming conductor casings |
| 03/02/2000 | WO2000011306A2 Drilling device and method for drilling a well |