E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/14
E21B 19/15 (2006.01)
Patent
CA 1302390
ABSTRACT OF THE DISCLOSURE This invention provides an oil well drilling or service rig having inclined capability with pipe handling means which will automatically retrieve pipe from a horizontal pipe rack, tilt it into a position parallel to the mast, and transpose it into the centre line of the mast in line with the drill string and stab the pipe into the drill string for make-up while the elevators are being moved into position to lower the string. The pipe handler can also be used to withdraw pipe from the string in the reverse operation.
569089
Nabors Drilling Limited
Ridout & Maybee Llp
LandOfFree
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