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US 6,886,482 B2Granted
Manifold device for pressure vessels
AssigneeKnutsen OAS Shipping AS
InventorsPer Lothe, Harald Årseth
Life of this patent
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Abstract
A device by pressure vessels (2) for sea transport of petroleum fluids, where at least two pressure vessels (2) are connected to and communicate with a manifold (1).
Claims7
A method for removing a fraction that settles out of a rich gas petroleum product during marine transport, said method comprising the steps of:
- providing a plurality of adjacent, vertically extending pressure vessels with an elongated piggable manifold connected to bottom portions of the pressure vessels;
- filling the pressure vessels with a rich gas petroleum product;
- allowing a rich gas fraction to settle into the bottom portions of the pressure vessels and to be received in the manifold;
- and
- moving a pig along the manifold for removing the rich gas fraction from the manifold.
2 more elements
Dependencies are inferred from the claim text.