Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 82, Issue -, Pages 134-142Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2014.10.018
Keywords
Natural gas; Density; Phase envelope; Phase equilibrium; Equation of state
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Funding
- Qatar National Research Fund (a member of Qatar Foundation) [30-6-7-1]
- Mardi Gras Transportation Systems, LLC
- Premier Measurement Services
- Savant Measurement Corporation
- Texas Engineering Experiment Station
- Jack E. & Francis Brown Chair funds
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This paper includes high-accuracy density measurements and phase envelopes for deepwater natural gas mixtures. Mixtures primarily consist of (0.88 and 0.94) mole fraction methane and both mixtures includes heavy components (C6+) more than 0.002 mole fraction. Experimental density and phase envelope data for deep and ultra-deep reservoir mixtures are scarce in literature and high accuracy measurements for such parameters for such natural gas-like mixtures are essential to validate the benchmark equations for custody transfer such as AGA8-DC92 and GERG-2008 equation of states (EOS). Thus, in this paper we report density and phase envelope experimental data via compact single-sinker magnetic suspension densimeter and isochoric apparatuses. Such data help gas industry to avoid retrograde condensation in natural gas pipelines. (C) 2014 Elsevier Ltd. All rights reserved.
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