Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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)
10/1990
10/24/1990EP0393060A1 A gripping and rotating tong device.
10/24/1990EP0372089A4 Method and device for determining the quantity of milk extracted from one cow
10/24/1990CN2064408U Appliance for assempling and disassempling drill head with long jet nozzle
10/23/1990US4964475 Drilling device for producing drill holes with undercut
10/23/1990US4964474 Flexible tunneling apparatus and method
10/23/1990US4964462 Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit
10/16/1990US4962817 Active reference system
10/16/1990US4962579 Torque position make-up of tubular connections
10/14/1990CA2014121A1 Vibratory core drill apparatus
10/11/1990DE3911469A1 Drilling installation
10/11/1990DE3911379A1 Pipe-jacking station for pipe-jacking operations
10/10/1990EP0391669A2 Directional rod pusher
10/10/1990EP0382852A4 Device for determining the index of productivity and food ration of animals
10/10/1990CN1046016A Arrangement for handling drill rods in rock drilling unit
10/09/1990US4961471 Post hole digger
10/04/1990WO1990012194A1 Device for blocking off a well in open flow
10/04/1990WO1990008994A3 System to control a motor for the assembly or dis-assembly of two members
10/03/1990EP0390728A2 System for damping the heave of a floating structure
10/03/1990CN1045835A Arrangement in apparatus for breaking thread of drilling apparatus
09/1990
09/26/1990EP0389289A1 Apparatus for breaking a threaded connection
09/26/1990EP0389288A1 Arrangement for handling drill rods in a rock drilling unit or the like
09/20/1990WO1990010778A1 A device for operations under water
09/18/1990US4957313 Emergency suspension system for drill casings
09/18/1990US4957002 Method, system and device for determining quality of assembly of tool parts
09/12/1990EP0387017A2 A travelling centralizer arrangement in a rock drill
09/12/1990EP0386895A1 Method, system and device for determining quality of assembly of tool parts
09/11/1990US4955757 Hydraulic apparatus for installing piping below ground
09/11/1990US4955644 Drill pipe coupling
09/11/1990US4955439 Self-propelled subsoil penetrating tool system
09/08/1990CA2011261A1 Travelling centralizer arrangement in a rock drill
09/07/1990WO1990010140A1 Device for manipulation control of a movable object
09/05/1990EP0385932A2 Mechanical damper system for a floating structure
09/04/1990US4953640 Quick detach bit
09/04/1990US4953639 Closed loop hydraulic drill feed system
08/1990
08/29/1990EP0271566B1 Riser tensioner
08/29/1990CN2061203U Power transmission system of steel wire test well winch
08/28/1990US4951924 Deepwater subsea lowering/lifting system
08/28/1990US4951759 Oil well rig with pipe handling apparatus
08/22/1990EP0383225A1 Device for the detachable connection of a rotary table to a drill pipe
08/22/1990EP0382852A1 Device for determining the index of productivity and food ration of animals
08/21/1990CA1273046A1 Anti-corrosive stuffing box bearings
08/14/1990US4947936 Well unit dynamometer installation means and method
08/14/1990US4947534 Apparatus and method for salvaging concentric piping members
08/09/1990WO1990008994A2 System to control a motor for the assembly or dis-assembly of two members
08/07/1990US4945999 Directional rod pusher
08/01/1990EP0380148A1 Deployement/ retrieval method and apparatus for well tools used with coiled tubing
08/01/1990CN1044322A Electric-controlled pneumatic automatic drill feeding facility
07/1990
07/25/1990EP0379187A1 Method of pulling outer tubings
07/25/1990CN2059679U Air cooled electromagnetic eddy brake
07/24/1990US4943172 Shock absorbing guide bushing
07/11/1990EP0377234A1 Method and apparatus for monitoring the integrity of coiled tubing
07/10/1990US4940118 Slip assembly
07/10/1990US4940095 Deployment/retrieval method and apparatus for well tools used with coiled tubing
07/03/1990US4938109 Torque hold system and method
06/1990
06/28/1990WO1990007049A1 Handling device for a string of boring rods provided with bend restricting means
06/27/1990EP0374533A1 Active jaw for a power tong
06/27/1990CN1043288A Hose and cable reel arrangement for rock drilling equipment
06/19/1990US4934870 Production platform using a damper-tensioner
06/14/1990WO1990006418A1 Apparatus for connecting and disconnecting threaded members
06/14/1990WO1990006417A1 Assembly for use in a belttong
06/14/1990WO1990006416A1 A telescopically extensible drill
06/13/1990EP0372089A1 Method and device for determining the quantity of milk extracted from one cow
06/13/1990DE3939969A1 Schlauch- und kabelwindeanordnung einer gesteinsbohrvorrichtung Hose and cable winch arrangement of a rock
06/13/1990CN1008382B Pile driver, pile drawer and/or drilling machine
06/12/1990US4932537 Racking pallet for oil field drill pipe sections
06/12/1990US4932481 Roof bolt drill support
06/12/1990US4932248 Method and device for measuring vertical movements in the absence of a fixed reference point
06/08/1990CA2004876A1 Hose and cable reel arrangement for a rock drilling apparatus
06/06/1990EP0371668A1 A system for transferring fluids from a piping system in a ship's hull to a turning device, and vice versa
05/1990
05/30/1990EP0370183A2 Procedure for welding an underground pipeline conduit to a following pipe
05/30/1990CN1008194B Arrangement for supporting of shank of drilling machine
05/17/1990WO1990005236A1 A method and a device for movement-compensation in riser pipes
05/16/1990EP0367875A1 Pusher leg for rock drill apparatus
05/15/1990US4925320 Feed beam arrangement for a rockdrill
05/15/1990US4925159 For use in withdrawing well points
05/15/1990US4924954 Bit breakout system
05/10/1990DE3837407A1 Clamping-force amplifier
05/09/1990CN2056937U Automatic anticollision device of pulley on derrick drilling oil well
05/08/1990US4923005 System for handling reeled tubing
05/03/1990WO1990004698A1 Pipe-gripping device for rotor of drilling rig
05/01/1990US4921386 Device for positioning and stabbing casing from a remote selectively variable location
05/01/1990US4921057 Method and device for making a hole in the ground
04/1990
04/30/1990CA2001606A1 Slip assembly
04/24/1990US4919393 Deepwater subsea lowering/lifting system
04/11/1990CN1007532B Opening device for extension rod drilling equipment
04/11/1990CN1007531B Opening device for drilling rods for an extension rod drilling equipment
04/10/1990US4915177 Blast joint for snubbing installation
04/03/1990US4913592 Floating structure using mechanical braking
04/03/1990US4913238 Floating/tensioned production system with caisson
03/1990
03/28/1990EP0360364A2 Riser tensioner
03/27/1990US4911483 Resilient ball joint support
03/27/1990US4911244 Marine casing suspension apparatus
03/27/1990CA1266963A1 Device for inserting and centering associated screw- in pipes
03/22/1990WO1990002903A1 A method and an apparatus for pushing pipes along a pipe line
03/08/1990DE3928958A1 Gewindeverbindung von rohrendabschnitten und verfahren zu deren herstellung Threaded connection of pipe end and processes for their preparation
03/07/1990CN1040246A Feeding device for rock drilling machine
03/06/1990US4905777 Device for producing drilling holes from an angled position with respect to the drilling axis
03/06/1990US4905773 Self-propelled subsoil penetrating tool system
02/1990
02/28/1990EP0355588A2 Stepwise rotation device for an element especially a screw of a two piece connection part for the coupling of two conduits under water
02/27/1990US4903443 For use in performing drilling operations in the earth
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