System for deploying and retrieving seismic source assembly from

Details System for deploying and retrieving seismic source assembly from System for deploying and retrieving seismic source assembly from

1979-08-20

1982-02-02

Basinger, Sherman D.

Ships

Towing or pushing

Submerged object

403169, B63B 2166

Patent

active

043133924

ABSTRACT:
A system for deploying and retrieving a seismic source assembly from a marine seismic vessel. The system comprises a guide track which is secured to the underside of an upper deck of the vessel. The chain which absorbs most of the strain due to towing passes through the track and is safely confined therein during the deployment and retrieval of the source assembly. A connector is attached to the chain at each point where a seismic source and a buoy line is to be attached. As the chain is unreeled and as each connector approaches the track, a source and a buoy line is attached to that respective connector. The track is constructed so a connector on the chain with both a source and a buoy line attached can pass therethrough. This procedure is continued until the seismic source assembly is deployed. The procedure is reversed to retrieve the source assembly.

REFERENCES:
patent: 994865 (1911-06-01), Morris et al.
patent: 2780196 (1957-02-01), Jareckie
patent: 3461830 (1969-08-01), Pearce et al.

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