Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1978-03-17
1979-10-23
Shapiro, Jacob
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405188, 166341, E21B 712
Patent
active
041719220
ABSTRACT:
In the automatic positioning of one submerged unit relative to another submerged unit without the use of guide lines, guiding structures associated with the units are brought into contact and the units are relatively orientated before the units are brought into contact.
REFERENCES:
patent: 3688840 (1972-09-01), Curington et al.
patent: 3795114 (1974-03-01), Cremiers
patent: 3840071 (1974-10-01), Baugh et al.
patent: 4080025 (1978-03-01), Garnier et al.
Coulboy Rene H.
Gallet Jean-Guy
Gueguen Jean-Marie
Gueuret Francois C.
Marquaire Roger A.
Seal Participants (Holdings) Limited
Shapiro Jacob
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