Patent ID: 7219682

Claim:
A fluid storage and liquid displacement shuttle system comprising a plurality of tank banks each comprising a plurality of storage vessels, a discharge manifold coupled to a first end of the plurality of storage vessels, a first fluid shuttle circuit coupled at a first end to a second end of the plurality of storage vessels in a first set of the plurality of tank banks and at a second end to a second end of the plurality of vessels in a second set of the plurality of tank banks, and a second fluid shuttle circuit coupled at a first end to the second end of the plurality of storage vessels in the second set of the plurality of tank banks and at a second end to the second end of the plurality of vessels in the first set of the plurality of tank banks, wherein one of the plurality of tank banks includes a displacement liquid stored in its plurality of storage vessels and the other of the plurality of tank banks includes a fluid stored in the plurality of vessels intended to be evacuated from the plurality of vessels when displaced by the displacement liquid.