| 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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| 02/13/2001 | CA2222182C Spoolable coiled tubing completion system |
| 02/13/2001 | CA2222102C Spoolable coiled tubing completion system |
| 02/08/2001 | WO2001009479A1 An apparatus and method for facilitating the connection of pipes |
| 02/08/2001 | WO2000039412A3 A casing for noise attenuation in a rock drilling rig and an arrangement in conjunction with a rock drilling rig |
| 02/07/2001 | CN2418250Y Optical-rod clamp |
| 02/06/2001 | US6184493 Vertical diffusion bonding apparatus |
| 02/06/2001 | US6182945 Redundant drawworks |
| 02/06/2001 | CA2225892C Improved method and apparatus for injection of tubing into wells |
| 01/30/2001 | US6179068 Directional drilling apparatus |
| 01/30/2001 | US6179065 System and method for automatically controlling a pipe handling system for a horizontal boring machine |
| 01/24/2001 | EP1070828A2 Heave compensator |
| 01/24/2001 | EP0956424B1 Method and device for driving bore holes, specially exploring and extraction drillings in the sea bottom |
| 01/24/2001 | CN1281089A Up and down compensated cable type well logging hoister system and application method |
| 01/23/2001 | US6176646 Riser guide and support mechanism |
| 01/23/2001 | CA2123298C Trenchless pipeline replacement |
| 01/18/2001 | WO2001003889A1 Closed-head power tongs |
| 01/16/2001 | US6173782 Cable connector |
| 01/16/2001 | US6173781 Slip joint intervention riser with pressure seals and method of using the same |
| 01/16/2001 | US6173769 Universal carrier for grippers in a coiled tubing injector |
| 01/16/2001 | CA2185836C Wellhead casing hanger assembly |
| 01/11/2001 | WO2001002691A1 Rock drill and mounting frame |
| 01/04/2001 | WO2000043632A3 System with a compliant guide and method for inserting a coiled tubing into an oil well |
| 01/03/2001 | EP1064450A1 Riser tensioning construction |
| 01/03/2001 | EP1064192A1 Mooring construction |
| 01/03/2001 | CN2413017Y Power wrench torquer sensor capable of automatic making up oil |
| 01/03/2001 | CN2413016Y Integral hydraulic return device for hydraulic threading machine |
| 01/02/2001 | CA2179816C Power tong wrench |
| 12/28/2000 | WO2000079092A2 Drilling system |
| 12/26/2000 | US6164391 Fixture for the production of bores with single or double rods |
| 12/26/2000 | CA2232447C Improved back-up power tongs |
| 12/26/2000 | CA2144014C Coiled well screen |
| 12/21/2000 | WO2000052297A3 Pipe running tool |
| 12/21/2000 | DE19926055A1 Vorrichtung zur Gestängeübergabe Apparatus for linkage transfer |
| 12/20/2000 | EP1060322A1 Elevator |
| 12/20/2000 | CN2411336Y Power pliers clamp mechanism |
| 12/19/2000 | US6161620 Deepwater riser system |
| 12/19/2000 | US6161619 Riser system for sub-sea wells and method of operation |
| 12/19/2000 | US6161617 Device for connecting casings |
| 12/19/2000 | CA2015844C Method and device for joining well tubulars |
| 12/14/2000 | WO2000075479A1 Device for transferring boring rods |
| 12/14/2000 | WO2000075478A1 Coiled tubing hanger assembly |
| 12/14/2000 | WO2000074899A1 Tong device, particularly a heavy duty torque tong |
| 12/13/2000 | EP1059417A2 Excavation equipment |
| 12/12/2000 | US6158516 Combined drilling apparatus and method |
| 12/07/2000 | WO2000073176A2 Pipe loading device and method for a directional drilling apparatus |
| 12/06/2000 | EP0918916A4 Rod changing system |
| 12/06/2000 | EP0904480A4 Automatic self energizing stop collar |
| 12/05/2000 | US6155359 Vehicle mounted post hole digger |
| 11/29/2000 | EP1055049A1 Apparatus and method for handling of tubulars |
| 11/29/2000 | EP1055048A1 Apparatus for delivering a tubular to a wellbore |
| 11/29/2000 | CN1275110A Swivel device |
| 11/28/2000 | US6151774 System of conveying and assembling logging tools |
| 11/23/2000 | DE10022135A1 Drilling machine used in production of boreholes for gas pipelines has a turning mill that can move on a mounting and is connected to the drill rod via an adapter |
| 11/22/2000 | CN1058649C Method for mfg. cylinder tooth bit of cast steel and ductile iron |
| 11/21/2000 | US6148934 Coupling piece for use at simultaneous earth and/or rock drilling with an upper rotary percussion device and a lower percussion device |
| 11/21/2000 | US6148925 Method of making a conductive downhole wire line system |
| 11/21/2000 | US6148924 Method and apparatus for the disassembly of drill pipe |
| 11/21/2000 | US6148922 Slip joint |
| 11/21/2000 | CA2163460C A device for coil tubing operations |
| 11/19/2000 | CA2280558A1 Hollow tubing pumping system |
| 11/16/2000 | WO2000037766A3 Procedures and equipment for profiling and jointing of pipes |
| 11/14/2000 | US6145603 Extension drilling system |
| 11/14/2000 | US6145596 Method and apparatus for dual string well tree isolation |
| 11/10/2000 | CA2271374A1 Method and apparatus for diagnosis of a rod string breakage on a producing well |
| 11/09/2000 | WO2000066875A1 Iron roughneck |
| 11/09/2000 | WO2000066871A2 Floating vessel for deep water drilling and production |
| 11/09/2000 | WO2000066479A1 System for measuring torque applied to the drum shaft of a hoist |
| 11/08/2000 | EP0917615B1 Mechanism for connecting and disconnecting tubulars |
| 11/08/2000 | EP0796386B1 Arrangement for mounting swing cylinders in boom for rock drilling unit |
| 11/08/2000 | CN2405002Y Power tongs manual change-over over-flow combined valve |
| 11/07/2000 | US6143988 Coiled tubing supported electrical cable having indentations |
| 11/07/2000 | US6142545 Casing pushdown and rotating tool |
| 11/07/2000 | US6142406 Method and system for controlling a coiled tubing arch |
| 11/07/2000 | US6142041 Power tong support assembly |
| 11/07/2000 | US6142040 Direct coupled tong and spider |
| 11/02/2000 | WO2000065193A1 Drill rod handling device |
| 10/31/2000 | US6138776 Power tongs |
| 10/31/2000 | US6138529 Apparatus for gripping a tubular member |
| 10/30/2000 | CA2307267A1 Variable length/capacity elevator links |
| 10/30/2000 | CA2307075A1 Tool tie-down |
| 10/26/2000 | WO2000063598A1 Scr top connector |
| 10/26/2000 | WO2000037767A3 Profile formation |
| 10/25/2000 | EP1045958A1 A drill pipe and method of forming and reconditioning a drill pipe |
| 10/25/2000 | CN2402797Y Power clamp clamping mechanism |
| 10/25/2000 | CN2402796Y Pumping rod wrench |
| 10/24/2000 | US6135670 Polished rod clamp |
| 10/24/2000 | US6135202 Apparatus for running jointed tubulars utilizing a coiled tubing injector |
| 10/19/2000 | WO2000061909A1 Tubular running tool |
| 10/19/2000 | WO2000061907A1 Arrangement in rock drilling apparatus |
| 10/19/2000 | WO2000061906A1 Apparatus and method for aligning tubulars |
| 10/19/2000 | WO2000061310A1 Process for the manufacture of a cylindrical pipe |
| 10/19/2000 | DE19901001A1 Borehole drilling device has frame supporting rotary drive provided with drill rod magazine for interchangable drill rods handled via transport arm with drill rod release device |
| 10/19/2000 | CA2369266A1 Process for the manufacture of a cylindrical pipe |
| 10/17/2000 | US6131664 System, apparatus, and method for installing control lines in a well |
| 10/11/2000 | EP1043475A2 Method and apparatus for fixedly connecting threaded tubes, and control program for their use |
| 10/11/2000 | EP1042588A1 Method and arrangement for controlling feed in rock drilling |
| 10/11/2000 | EP1042582A1 Weight compensation device |
| 10/11/2000 | EP1042581A1 Making and breaking of couplings between pipe sections in a drilling rig |
| 10/10/2000 | US6129486 Pipe pulling and pushing apparatus and method |
| 10/10/2000 | US6129226 Vehicle mounted mini hoist |