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An Efficient Computational Scheme for Two-Phase Steam Condensation in the Presence of CO2 for Wellbore and Long-Distance Flow

1
386 Devonshire Dr., Rochester Hills, MI 48307, USA
2
Bureau of Economic Geology, Jackson School of Geosciences, University of Texas at Austin, TX 78758, USA
3
Hilderbrand Department of Petroleum & Geosystems Engineering, University of Texas at Austin, TX 78712, USA
*
Author to whom correspondence should be addressed.
ChemEngineering 2019, 3(1), 4; https://doi.org/10.3390/chemengineering3010004
Received: 13 November 2018 / Revised: 8 December 2018 / Accepted: 6 January 2019 / Published: 9 January 2019
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Abstract

Here we present an efficient and robust calculation scheme for two-phase, one-dimensional (1D) steady state steam condensation in the presence of CO2, based on conservation rules and thermodynamic phase relations. The mixing of fluids and phases is assumed to be homogeneous. Heat transfer is considered between the fluids and the ambient formations. For convenience, state equations are presented in terms of the entropy changes of individual phases, and the simple additive rule for the mixture. To monitor phase changes, the phase rule is checked. This investigation has practical significance for steam injection operation and long-distance pipe flow applications in the geothermal and mid- and up-stream oil and gas industries. View Full-Text
Keywords: two-phase flow; condensation; phase rule; steam injection; CO2 injection; 1D flow; wellbore flow two-phase flow; condensation; phase rule; steam injection; CO2 injection; 1D flow; wellbore flow
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Islam, A.; Sun, A.; Sepehrnoori, K. An Efficient Computational Scheme for Two-Phase Steam Condensation in the Presence of CO2 for Wellbore and Long-Distance Flow. ChemEngineering 2019, 3, 4.

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