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)
05/2003
05/01/2003US20030079881 Deepwater intervention system
04/2003
04/30/2003CN2547864Y Drop-proof polish rod slip
04/30/2003CN1414208A Pincer pliers device
04/29/2003US6554075 CT drilling rig
04/29/2003US6554072 Co-linear tensioner and methods for assembling production and drilling risers using same
04/24/2003WO2003033858A1 Apparatus and method for reducing required torque
04/24/2003WO2002087959A3 Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible
04/24/2003WO2002055841A3 Well screen having a line extending therethrough
04/24/2003US20030077124 Rock drilling rig
04/24/2003US20030075361 Well system
04/24/2003US20030075346 Rock drilling machine
04/24/2003US20030075023 Apparatus and method relating to tongs, continous circulation and to safety slips
04/23/2003EP1303680A1 Rock drilling machine
04/23/2003EP0960258B1 Apparatus for gripping a tubular member
04/23/2003EP0920567B1 Rock drilling rig
04/23/2003CN2546616Y Hydraulic disconnecting pipe coupling pliers
04/23/2003CN1413285A Three dimensional steerable system
04/22/2003US6550547 System and method for automatically controlling a pipe handling system for a horizontal boring machine
04/22/2003US6550544 Rock drilling device
04/22/2003US6550536 Downhole coiled tubing recovery apparatus
04/22/2003US6550128 Apparatus and method for handling of tubulars
04/17/2003WO2003031766A1 Arrangement at a pipe locating assembly
04/17/2003WO2003031760A2 Non-seize material attachment for a drill slip system
04/17/2003WO2003031243A2 Snubbing unit with improved slip assembly
04/17/2003US20030071160 Reel spool and stand assembly for coiled tubing injector system
04/17/2003US20030070841 Shallow depth, coiled tubing horizontal drilling system
04/16/2003EP1301682A1 Tubing injector
04/16/2003EP0874946B1 Arrangement for leading flexible elements to a rock drill, and a hose reel structure
04/10/2003WO2003029606A2 Dedicated riser tensioner apparatus, method and system
04/10/2003US20030066718 Snubbing unit with improved slip assembly
04/10/2003US20030066717 Low friction slip assembly
04/10/2003US20030066656 Concentric casing jack
04/10/2003US20030066654 Pipe running tool
04/10/2003US20030066470 Method for installing a number of risers or tendons and vessel for carrying out said method
04/10/2003DE10155105C1 Earth drill with pipe line installer has frame supporting hollow drill shaft with flushing pipes
04/09/2003EP1300544A1 Concentric casing jack
04/09/2003EP1299211A1 High torque power tong
04/09/2003EP0975512B1 Riser mounting arrangement for a mooring system
04/09/2003CN2544089Y Drop-proof elevator pin
04/08/2003US6543555 Automatic loader for drill rods
04/08/2003US6543552 Method and apparatus for drilling and lining a wellbore
04/08/2003US6543551 Pipe handling device
04/03/2003WO2003026953A1 Receptacle assembly and method for use on an offshore structure
04/03/2003US20030063953 Dedicated riser tensioner apparatus, method and system
04/02/2003EP0960256B1 Gripping arrangement for gripping casing
04/02/2003EP0927294B1 Coupling piece for use at simultaneous earth and/or rock drilling with an upper rotary percussion device and a lower percussion device
04/02/2003EP0722531B1 Pipe racker assembly
04/02/2003CN2542820Y Power slips
04/02/2003CN1406699A Electric tool with battery catapult
03/2003
03/27/2003WO2003025444A2 Load compensator for a pipe running tool
03/27/2003WO2003025336A1 Active controlled bottomhole pressure system & method
03/27/2003US20030056993 Drilling machine having a feed cable tensioner
03/27/2003US20030056989 Drilling machine having a non-impact breakout system
03/27/2003US20030056988 Drilling machine having a rotary head guide
03/27/2003US20030056986 Drill rig assembly
03/27/2003US20030056623 Vise apparatus
03/26/2003EP1295009A1 Tensioner/slip-joint assembly
03/26/2003EP1295006A1 Pipe handling apparatus and method of landing items at a well location
03/26/2003EP0948702B1 Apparatus and method for running tubulars
03/26/2003CN1406201A Coiled tubing handling system and methods
03/25/2003US6536539 Shallow depth, coiled tubing horizontal drilling system
03/25/2003US6536527 Connection system for catenary riser
03/25/2003US6536520 Top drive casing system
03/25/2003CA2059995C Method and system for deploying submersible pump using reeled tubing
03/20/2003WO2003023179A2 System for lining a wellbore casing
03/20/2003US20030053868 Adjustable rigid riser connector
03/20/2003US20030052529 Arrangement for determining position of unmanned mining vehicles
03/20/2003US20030051877 Stackable guide funnel system and method
03/19/2003EP1292430A1 Ring gear supporting idler gear
03/19/2003EP0993541B1 Apparatus for and a method of supporting a tubular member
03/18/2003US6533519 Pipe handling apparatus
03/18/2003US6533046 Pipe loading device for a directional drilling apparatus
03/18/2003US6532648 Apparatus for fixedly connecting threaded tubes, and recording medium storing control program
03/13/2003US20030047588 Method of joining metal oilfield tubulars and well provided therewith
03/13/2003US20030047334 Rock drilling rig
03/13/2003US20030047319 Mechanical torque table and method
03/12/2003EP1289716A1 Pivoting support for power tool
03/12/2003EP0939687A4 Interlocking jaw power tongs
03/12/2003EP0864030B1 Stretch compensation in a hoisting system for a derrick
03/12/2003CN2539836Y Hydraulic pincers torque adjusting reversing apparatus
03/12/2003CN2539835Y Elevator for gripping sucker rod
03/11/2003US6530432 Oil well tubing injection system and method
03/11/2003US6530430 Tensioner/slip-joint assembly
03/05/2003EP1289032A1 Power tool, battery pack and attachment/ejection mechanism therefor
03/05/2003EP1288433A1 Drill rig assembly
03/05/2003CN2538947Y Rope braid rotation preventing device for beam-pumping unit
03/05/2003CN2538946Y Square drilling rod displacing device
03/04/2003US6527493 Handling of tube sections in a rig for subsoil drilling
03/04/2003US6527215 Reel spool and stand assembly for coiled tubing injector system
03/04/2003US6527062 Well drilling method and system
03/04/2003US6527055 Thrust enhancement device for coiled tubing injectors
03/04/2003US6527049 Apparatus and method for isolating a section of tubing
03/04/2003US6527047 Method and apparatus for connecting tubulars using a top drive
03/04/2003US6526818 Seabed analysis
02/2003
02/27/2003WO2003016670A2 Swing mounted fill up and circulating tool
02/27/2003US20030039880 Power tool with battery pack ejector
02/27/2003US20030037940 Excavation apparatus
02/26/2003EP1285146A1 Automated riser recoil control system and method
02/26/2003EP0934483B1 Hose supporting arrangement for actuators of rock drill apparatus
02/26/2003EP0712499B1 Improved slick line system with real-time surface display