Two key contributions are made through this work. Through the model, the pipe line network topology structure which reflects the allocations among the subsea wells, manifolds and processing terminals, the routes of pipes, as well as the size of the facilities could all be figured out. A mixed integer nonlinear programming (MINLP) model is proposed, constrained by a series of operation and production requirements, aiming to minimize the total layout cost. In such a system, subsea manifolds are applied to gather and transport the produced fluids from subsea wells to floating processing terminals. This paper focuses on the layout design of subsea oil gathering-transportation system in deep water oil field.
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