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APPLIED GEOPHYSICS  2018, Vol. 15 Issue (2): 311-317    DOI: 10.1007/s11770-018-0686-5
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Two-phase pore-fluid distribution in fractured media: acoustic wave velocity vs saturation
Duan Xi1,2 and Liu Xiang-Jun1
1. Department of Geosciences, Southwest Petroleum University, Chengdu 610500, China.
2. Department of Science, Southwest Petroleum University, Chengdu 610500, China.
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Abstract The acoustic wave velocity varies with fluid saturation and pore-fluid distribution. We use a P-wave source and the staggered grid finite-difference method, with second-order accuracy in time and eighth-order accuracy in space, to simulate the acoustic wave field in a fractured medium that is saturated with a two-phase pore fluid (gas & water). Further, we analyze the variation of acoustic wave velocity with saturation for different pore-fluid distribution modes. The numerical simulation method is simple and yields accurate results.
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Key wordsAcoustic wave velocity   fractured reservoir   saturation   pore distribution     
Received: 2017-11-22;

This research was supported by the National Natural Science Foundation of China (No. 51134004).

Cite this article:   
. Two-phase pore-fluid distribution in fractured media: acoustic wave velocity vs saturation[J]. APPLIED GEOPHYSICS, 2018, 15(2): 311-317.
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