Method and apparatus for conducting geophysical exploration from

Details Method and apparatus for conducting geophysical exploration from Method and apparatus for conducting geophysical exploration from

1987-04-15

1988-12-27

Basinger, Sherman D.

Ships

Towing or pushing

114254, B63B 2116

Patent

active

047932740

ABSTRACT:
Method and apparatus for conducting geophysical exploration from a marine vessel. A ship includes a pair of booms mounted on the stern thereof which are moveable between a stowed position adjacent the ship and an extended position athwartships. A plurality of winches are mounted on the ship. Each winch includes a cable wound thereon. Each cable is journaled over pulleys to a different airgun deployment station on the boom. Each airgun may be individually deployed in the water behind the boom under power of the winch associated therewith. Roller mechanisms mounted on the boom support a different firing line cable which is connected between equipment on the ship and each airgun.

REFERENCES:
patent: 3892386 (1975-07-01), Hogan
patent: 4270479 (1981-06-01), Baker et al.
patent: 4349180 (1982-09-01), Charles et al.
patent: 4406242 (1983-09-01), Weeks
patent: 4480574 (1984-11-01), Bertrams
patent: 4570245 (1986-02-01), Thigpen
patent: 4597352 (1986-07-01), Norminton

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