Abstract
ABSTRACT A mathematical model has been developed for a gas-oil separator system, and a computer program has been written to simulate the behavior of the system. The separator is assumed to operate under slug flow conditions at the end of a two-phase flow pipeline. The liquid level and the pressure of the vessel are controlled by proportional integral controllers. An optimization program has been written based on a linear model of the separator system. The program applies linear control theory to optimize the gains and reset times of the controllers. The optimization and simulation programs can be used to design the smallest possible separator that will handle given gas and liquid flow rates in slug flow production. A sample design case is given.
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