Simulation and optimization study for a condensate recovery system

Z. K. Liew, University of Nottingham Malaysia
D. C. Y. Foo, University of Nottingham Malaysia
M. B. L. Ooi, NGLTech

This article discusses a simulation and optimization study for a low-pressure condensate recovery system used on an oil and gas platform for the extraction of valuable hydrocarbons from flare gas for sale. Due to the possibility of hydrates formation, methanol is used as a hydrate inhibitor in this case. A base case simulation model was constructed, using commercial softwarea to identify high-risk points where methanol injection is to be performed. The use of methanol entails increased operating cost; therefore, it is necessary to determine the relationship between the methanol flowrate and condensate recovery, as well as the operating temperature of the cold separator. The latter has a sig


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