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)
09/1986
09/23/1986US4613849 Interference warning device
09/23/1986US4613001 Weather protected offshore drilling rig
09/23/1986US4612993 Riser position indication apparatus
09/23/1986CA1211750A1 Drill rod opening device for sectional rod drilling equipment
09/17/1986EP0194956A2 Stand jumping and stabbing guide device and method
09/09/1986US4610315 Pipe handling apparatus for oil drilling operations
09/09/1986US4610314 Truck mounted drilling machine
09/09/1986US4610139 Hydraulic speed control and braking apparatus for draw works
09/09/1986CA1211102A1 Pneumatic power tongs control system
08/1986
08/27/1986EP0192253A1 Boom assembly
08/19/1986US4606673 Spar buoy construction having production and oil storage facilities and method of operation
08/13/1986EP0190669A2 Drilling apparatus
08/12/1986US4605078 In an earth and rock drilling machine
08/12/1986US4605077 Well apparatus
08/12/1986US4604922 Drill pipe turning device
08/06/1986EP0189764A2 Apparatus for percussion drilling long holes
08/06/1986EP0189600A1 Apparatus for producing thread connections between pipes
08/05/1986US4604724 Automated apparatus for handling elongated well elements such as pipes
08/05/1986US4603464 Stand jumping and stabbing guide device and method
07/1986
07/30/1986CN85103021A Big vice with pressure-increased power
07/23/1986EP0188190A2 A drilling and/or lifting machine
07/22/1986US4601348 Reversible auger drive kit for post hole digger
07/15/1986US4601000 Electrohydraulic control system for a rockdrill assembly
07/15/1986US4599778 Installing or centering mechanism for pipes to be screwed into one another
07/15/1986CA1207657A1 Device for rapidly connecting rods, tubes and casings, particularly for offshore drilling
07/09/1986CN85200440U Clamping device for rat-hole scabbard bit
07/08/1986CA1207122A1 Delayed deployment platform
07/02/1986CA1206998A1 Journal bearing
07/01/1986US4597595 Swivel-less coupling apparatus
06/1986
06/25/1986EP0185605A1 Top drive drilling systems
06/24/1986US4596494 Device for positioning and applying tension to a set of rods for holding a partially submerged platform
06/19/1986WO1986003534A1 Clamping arrangement to device for driving into the ground rod elements of low rigidity
06/18/1986EP0184973A2 Supporting system for a riser
06/17/1986US4595066 Apparatus for handling drill pipes
06/17/1986US4595065 Shaft drilling rig
06/17/1986US4595062 Well casing jack mechanism
06/10/1986US4593773 Well drilling assembly
06/10/1986US4593584 Power tongs with improved hydraulic drive
06/10/1986CA1205740A1 Marine riser tensioner
06/03/1986US4592426 In a fluid connection system
06/03/1986US4592125 Method and apparatus for analysis of torque applied to a joint
05/1986
05/28/1986EP0182500A1 Carousel rod loader
05/27/1986US4591131 Draw works traveling block motion control apparatus
05/27/1986US4591009 Drill soundproofing device
05/27/1986US4591007 Well tubing handling apparatus
05/27/1986US4591006 Well servicing rig
05/27/1986US4591005 Drill rod opening device for sectional-rod drilling equipment
05/27/1986US4590823 Dual-string tubing tong and method
05/20/1986US4589802 Slip assembly for subsea template
05/20/1986US4589796 Glass fiber sucker rod system
05/20/1986US4589503 Top drive drilling apparatus with improved wrench assembly
05/20/1986US4589499 Horizontal drilling apparatus
05/13/1986US4588037 Turret for roof bolting apparatus
05/13/1986CA1204428A1 Earth drilling apparatus
05/07/1986EP0180169A1 Transportable working tool for the underground driving of product pipes
05/06/1986US4586744 Apparatus for lifting and handling an object
05/06/1986US4586572 Well drilling apparatus
05/06/1986US4586571 Method of and arrangement for positioning of a drilling apparatus
05/06/1986CA1204104A1 Apparatus and method for assembly-disassembly of a spring loaded hook
04/1986
04/29/1986US4585213 Well derrick
04/29/1986US4585079 Method and a machine for handling drill pipes
04/29/1986US4585066 Well treating process for installing a cable bundle containing strands of changing diameter
04/29/1986US4585061 Apparatus for inserting and withdrawing coiled tubing with respect to a well
04/22/1986CA1203528A1 Pipe carousel for well-drilling rig
04/15/1986US4582146 Earth drilling apparatus
04/15/1986US4582133 Pipe handling assembly
04/10/1986CN85108188A Drilling and /or lifting machine
04/10/1986CN85108187A Pile driver, pile drawer and/or drilling machine
04/02/1986EP0176335A1 Pipe handling apparatus
04/01/1986US4579379 Elevator/spider with improved locking mechanism
04/01/1986US4579024 Power tongs and control system
04/01/1986US4578991 For maintaining stress cycle control to prevent down-hole failure
03/1986
03/25/1986US4578642 Method and apparatus for measuring velocity of ferromagnetic tubing
03/25/1986US4577703 Apparatus for making boreholes in the lateral walls of narrow underground mine workings
03/25/1986US4577700 Method and system for displacing drilling fluid from a drill string in a well drilling system
03/18/1986US4576517 Marine heave compensating device
03/18/1986US4576516 Riser angle control apparatus and method
03/18/1986US4576254 Hydraulically actuated slip assembly
03/18/1986US4576067 For gripping tubular members
03/13/1986WO1986001561A1 Drillstem motion apparatus, especially for the execution of continuously operational deepdrilling
03/12/1986EP0174055A1 An arrangement for storing pipes
03/11/1986US4575359 Rotary drive coupling
03/11/1986US4574664 Powered back-up tongs
03/05/1986EP0172960A1 Continuous feeding and torqueing device for a drill stem
03/04/1986US4573359 System and method for assuring integrity of tubular sections
02/1986
02/25/1986US4572589 Journal bearing
02/25/1986US4572304 Portable seabed penetration system
02/25/1986US4572036 Power tong and jaw apparatus
02/25/1986CA1201062A1 Pipe base well screen and system for joining a plurality of well screen segments
02/25/1986CA1201060A1 Riser support system
02/18/1986US4570715 Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature
02/18/1986US4570706 Device for handling rods for oil-well drilling
02/18/1986US4570705 Sheave drive assembly for flexible production tubing
02/12/1986EP0171368A1 Apparatus for transferring drill rods from a rod store to the rotation head of a drilling machine and vice versa
02/12/1986EP0171187A1 Control system for power tongs
02/12/1986EP0171144A1 Device for handling well casings
02/05/1986EP0170195A1 Powered back-up tongs
02/04/1986US4567952 Process and apparatus for locking and releasing of a drilling shaft with essentially vertical axis
02/04/1986US4567842 Weight type motion compensation system for a riser moored tanker
02/04/1986US4567779 Method and apparatus for torque monitoring