Apparatus for towing arrays of geophysical devices

Details Apparatus for towing arrays of geophysical devices Apparatus for towing arrays of geophysical devices

1987-04-16

1988-02-23

Moskowitz, Nelson

Ships

Towing or pushing

Submerged object

114254, 367 15, B63B 2166, B63G 842, G01V 138

Patent

active

047263156

ABSTRACT:
A ship is provided with booms that may be extended outwardly from the ship. Geophysical devices of different genera are towed from the booms, in the water behind the ship. A UHF antenna is located at the outboard tip of each boom. A line joining the two antennas defines a long reference base line for determining the absolute heading of the ship with respect to a meridian and to locate the absolute positions of selected towed geophysical devices with respect to two-dimensional space. The booms may be automatically oriented along a line perpendicular to the ship's track, independently of the ship's heading.

REFERENCES:
patent: 3491848 (1970-01-01), Giles
patent: 4038630 (1977-07-01), Chelminski
patent: 4130078 (1978-12-01), Cholet
patent: 4170002 (1979-10-01), Strange
patent: 4376301 (1983-03-01), Roberts
patent: 4480574 (1984-11-01), Bertrams
patent: 4525813 (1985-06-01), Burrage
patent: 4532617 (1985-06-01), Becker et al.
patent: 4568232 (1986-02-01), Juelich et al.
Advertisement, Geophysical Prospecting, Mar. 1987, Seismic Services Ltd.
CGG advertisement, The Leading Edge, Apr. 1987.

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