In this chapter, the optimum assignment of tankers to berths is considered for a large marine terminal. The terminal is used by several local companies to export their oil and petrochemical products to international customers around the world. The terminal has eight berths, each of which supplies a set of products with varying pumping rates (loading speeds). Each visiting tanker has given demand quantities for a specific set of products, which can be loaded from either one or two berths. If a tanker arrives at the terminal and cannot be immediately allocated to a berth, because all berths are occupied, then a delay penalty (demurrage cost) is paid for each hour of delay. Obviously, the total delay times of all tankers must be minimized in order to minimize the total demurrage cost. To achieve this objective, a mixed-integer linear programming (MILP) model is formulated to optimize both tanker assignments to berths and tanker sequencing at each berth. The MILP model has two unique features. First, multiple product demands by tankers and multiple product supplies by berths are considered. Second, each tanker can be assigned not only to one berth, but possibly to two berths to load two sets of products.
Berth Allocation for Loading Tankers at an Oil Export Terminal
Applied Optimization in the Petroleum Industry ; Kapitel : 10 ; 237-259
2023-07-08
23 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Offshore tanker loading, export of crude via tankers
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