期刊
SPE RESERVOIR EVALUATION & ENGINEERING
卷 9, 期 1, 页码 32-38出版社
SOC PETROLEUM ENG
DOI: 10.2118/84181-PA
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Approaches are presented for reducing the computation time spent on flash calculations in compositional, transient simulations. In a conventional flash calculation, the majority of the simulation time is spent on stability analysis, even for systems far into the single-phase region. A criterion has been implemented for deciding when it is justified to bypass the stability analysis. With the implementation of the developed time-saving initiatives, it has been shown for a number of compositional, transient pipeline simulations that a reduction of the computation time spent on flash calculations by approximately 85 to 90% can be achieved.
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