Oil tanker and method for recovering oil from submerged oil tank

Details Oil tanker and method for recovering oil from submerged oil tank Oil tanker and method for recovering oil from submerged oil tank

1996-02-26

1998-08-18

Graysay, Tamara L.

Hydraulic and earth engineering

Diving

Underwater docking or mooring

114 50, 405 60, 405192, 405210, B63B 3500

Patent

active

057951039

ABSTRACT:
A system for recovering petroleum products such as oil from a sunken oil transportation vessel. The system includes first and second flexible conduits communicating with the oil-containing compartments. The conduits are released upon the vessel becoming submerged. The free ends of the conduits are connected respectively to a pump for pumping sea water into the compartment to displace the oil. The second conduit is connected to a recovery container on the surface. The displaced oil is forced through the second conduit to the recovery container. The recovery container is, in the preferred embodiment, provided on a fleet or network of recovery vessels which then transport the recovered oil to port for off-loading. In the preferred embodiment, the flexible conduits are associated with a float which releases or carries the conduits to the surface so that underwater recovery operations are minimized.

REFERENCES:
patent: 1103239 (1914-07-01), Zolling
patent: 3890796 (1975-06-01), Kruger et al.
patent: 4178868 (1979-12-01), Iizuka et al.

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