Apparatus for offshore handling and running of a BOP stack

Details Apparatus for offshore handling and running of a BOP stack Apparatus for offshore handling and running of a BOP stack

1974-06-07

1978-08-22

Werner, Frank E.

Traversing hoists

Overhead

Cable

29464, 212 3R, E21B 300

Patent

active

041083180

ABSTRACT:
Methods and apparatus for handling a BOP stack on an offshore drilling vessel and for running the stack from the vessel to sea bottom, while maintaining substantially continuous constraint on the stack, are disclosed. Constraining and guide members are provided on the respective sections of the BOP stack and on the drilling vessel for maintaining constraint against substantial lateral movement due to motion of the vessel from the time the BOP stack is picked up from a stored position on the vessel until a substantial portion of the stack is below water during running.

REFERENCES:
patent: 3661204 (1972-05-01), Blanding
patent: 3817412 (1974-06-01), Mercier et al.

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