Bilge keel and method for FPSO petroleum production systems
AssigneePetroleo Brasileiro S.A.
InventorsAntonio Carlos Fernandes, Isaias Quaresma Masetti
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Abstract
This is a mechanical element intended to control the rolling of FPSO type petroleum production systems which use adapted decommissioned ships as the floating facility. The bilge keel is made up of two lines of plates, continuous or sectioned, in this case with a small separation between each two adjacent sections, mounted along the bilge of the ship, one on either side, at right angles to the hull, and characterized basically by being wider and having a greater total length than the conventional bilge keels used in ships.
Claims14
A method of adapting a decommissioned ship to control rolling for FPSO purposes, said method comprising providing said ship with an FPSO bilge keel having at least one of a greater average width than an average width of an original bilge keel of the ship and a greater total bilge keel length than a total original bilge keel length of the ship.
A ship comprising a bilge keel, said bilge keel being mounted along a bilge of said ship and having at least one of a greater total length than a total length of an original bilge keel of the ship and a greater average width than a total average width of the original bilge keel of the ship.
A decommissioned ship adapted to control rolling for FPSO purposes by providing said ship with an FPSO bilge keel having at least one of a greater average width than an average width of an original bilge keel of the ship and a greater total bilge keel length than a total original bilge keel length of the ship.
Dependencies are inferred from the claim text.