Catwalk for a drilling rig

Details Catwalk for a drilling rig Catwalk for a drilling rig

2008-09-23

2011-11-08

Adams, Gregory (Department: 3652)

Material or article handling

Well pipe or rod racking mechanism

With slope change

C414S022570, C414S022580

Reexamination Certificate

active

08052368

ABSTRACT:
A pipe handling catwalk comprising: a deck including an upper surface, a first end, an opposite end and a tubular support surface on the upper surface, the tubular support surface being elongate and extending between the first end and the opposite end; a deck guide including a wall extending up from the deck upper surface and drivable along tubular support surface of the deck; a ramp mounted on the deck adjacent its first end and positionable extending at an angle from the deck; a carrier connected to the ramp to remain on the ramp and being moveable such that an end thereof can be lifted away from the ramp to reduce the inclination of the carrier relative to the angle of the ramp, the carrier including an upper surface and a tubular retaining surface thereon extending along the carrier substantially in line with the tubular support surface of the deck; and a carrier guide including an upstanding tubular engaging surface extending up from the carrier upper surface and drivable along tubular retaining surface of the carrier.

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