Pipe-positioning apparatus for a drilling installation

摘要

A drilling rig 15 carries two guide rails 17 extending upwards. A support chassis 16 can be moved along the guide rails 17. A pipe-clamping device 26, 31 and pipe-positioning means are mounted on the support chassis 16. These latter means comprise an installing arm 23, a pipe-supporting bowl 33 having an inlet opening and locking means. <IMAGE>