Method and apparatus for salvaging underwater objects

Details Method and apparatus for salvaging underwater objects Method and apparatus for salvaging underwater objects

2011-03-22

2011-03-22

Venne, Daniel V (Department: 3617)

Ships

Vessel raising and docking

Submerged

C405S003000, C414S137100, C414S137300, C414S137700, C414S137800

Reexamination Certificate

active

07908988

ABSTRACT:
A method and apparatus for removing debris from an ocean floor or seabed employs a subsea debris basket. The basket eliminates the absolute necessity of a cargo barge or any other supporting vessel that might be required to remain in a field until the objects on the ocean floor can be lifted. The present invention provides a non-weather sensitive solution. The present invention affords the safe operation in that all lifting and lowering is performed in a subsea environment next to the ocean floor or seabed. The present invention enables operation to be completed with the use of an ROV or remotely operated vehicle. The present invention provides improved offshore efficiency, less time being required to recover debris from the seabed to the underwater salvage basket or debris basket. The present invention enables the possibility of use of an A-frame or simple crane to lower debris into a subsea basket. The basket can be reused or redeployed in the field if desired. The basket may also be “reefed” in place to address the stability concerns of small debris and to minimize transit time of debris to a reef site.

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