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