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    Monte Carlo molecular simulation of phase-coexistence for oil production and processing

    Access Status
    Fulltext not available
    Authors
    Li, J.
    Sun, S.
    Calo, Victor
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Li, J. and Sun, S. and Calo, V. 2011. Monte Carlo molecular simulation of phase-coexistence for oil production and processing, in SPE Reservoir Characterisation and Simulation Conference and Exhibition (RCSC 2011), pp. 797-806. Society of Petroleum Engineers.
    Source Title
    SPE Reservoir Characterisation and Simulation Conference and Exhibition (RCSC 2011)
    ISBN
    9781618394224
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/51368
    Collection
    • Curtin Research Publications
    Abstract

    The Gibbs-NVT ensemble Monte Carlo method is used to simulate the liquid-vapor coexistence diagram and the simulation results of methane agree well with the experimental data in a wide range of temperatures. For systems with two components, the Gibbs-NPT ensemble Monte Carlo method is employed in the simulation while the mole fraction of each component in each phase is modeled as a Leonard-Jones fluid. As the results of Monte Carlo simulations usually contain huge statistical error, the blocking method is used to estimate the variance of the simulation results. Additionally, in order to improve the simulation efficiency, the step sizes of different trial moves is adjusted automatically so that their acceptance probabilities can approach to the preset values. Copyright 2011, Society of Petroleum Engineers.

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