Subsea pull-in tool

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

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Details

166341, 166347, F16L 104, E21B 4301

Patent

active

045912920

ABSTRACT:
The present invention provides a method and apparatus for connecting a flowline to a subsea structure. A flowline connection tool is deployed downwardly to the subsea structure and secured to the subsea structure. A flowline terminal head, which is at the end of a flowline, is then pulled toward the flowline connection tool by means of a pull-cable. The flowline terminal head is then secured to the subsea structure and the flowline connection tool is recovered to the surface.
The flowline connection tool contains a prime mover means in order to minimize the length of cable exposed to forces encountered in pulling the flowline to the subsea structure.

REFERENCES:
patent: 3710859 (1973-01-01), Hanes et al.
patent: 3973625 (1976-08-01), Baugh
patent: 4382717 (1983-05-01), Morrill
patent: 4457378 (1984-07-01), Watkins
patent: 4459065 (1984-07-01), Morton
patent: 4518042 (1985-05-01), Miller

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