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Abstract

A method for production optimization in an oil and/or a gas production system. The system including at least two flow sources leading to at least one common downstream flow line, and at least one manipulated variable of the production system. The method includes use of a computational model of the production system including an interdependence between flow rates of the flow sources and a flow rate of the downstream flow line, and values of the manipulated variable; a feasible set defined by at least one constraint of the manipulated variable, and an objective function, to be optimized within said feasible set, defined by using the computational model. The method includes splitting by calculation the feasible set into at least two subsets, calculating, for each of the subsets, a best bound of the objective function by using the computational model, and manipulating the manipulated variable by using the best bound to optimize the oil and/or gas production.

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First Claim