Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1982-11-24
1984-08-28
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
166341, 340852, 405169, F16L 104
Patent
active
044681550
ABSTRACT:
Method for placing two submerged elements in a relative determined position, particularly in view of their mutual connection, comprising a first step of controlling the relative displacement of said elements on the basis of the measurement of electric values so as to ensure the alignment of a central point of one end of one element with the longitudinal axis of the other and a second step of progressively bringing the two elements in contact with each other by their relative displacement controlled on the basis of the measurement of their relative distance and mutual inclination angle, by means of acoustic emitters-receivers.
REFERENCES:
patent: 3336572 (1967-08-01), Paull et al.
patent: 3458853 (1969-07-01), Daniels et al.
patent: 3497869 (1970-02-01), Silverman
patent: 4120095 (1978-10-01), Lebourg
patent: 4140991 (1979-02-01), Sigleton et al.
patent: 4148013 (1979-04-01), Finn et al.
patent: 4214842 (1980-07-01), Franks
patent: 4317174 (1982-02-01), Dean
Clot Jean
Esteve Daniel
Levallois Emile
Szabo Rene
Institut Francais du Pe'trole
Taylor Dennis L.
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