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Reflection and Transmission of Pressure Pulses Through a Gas Hydrate-Saturated Layer in a Porous Medium

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Abstract

The process of transmission and reflection of elastic waves in a porous medium at the boundaries of a section containing gas hydrate is numerically investigated. A two-velocity model of a porous medium is used for calculations, while the skeleton is considered to consist of grains cemented with gas hydrate and is modeled by a homogeneous solid phase with effective parameters. The elastic moduli of the composite skeleton of a porous medium is calculated from the known moduli of the grain material and hydrate. The influence of hydrate saturation, the duration of the initial pulse and the length of the hydrate-containing layer on the characteristics of the transmission and reflection of pulse waves has been studied.

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Funding

The research was funded by RFBR and Tyumen Region, project number 20-41-720003.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics, Tyumen Branch, Siberian Branch, Russian Academy of Sciences, 625026, Tyumen, Russia

    A. A. Gubaidullin, O. Yu. Boldyreva & D. N. Dudko

  2. University of Tyumen, 625003, Tyumen, Russia

    A. A. Gubaidullin

Authors
  1. A. A. Gubaidullin
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  2. O. Yu. Boldyreva
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  3. D. N. Dudko
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Corresponding authors

Correspondence to A. A. Gubaidullin, O. Yu. Boldyreva or D. N. Dudko.

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(Submitted by A. M. Elizarov)

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Gubaidullin, A.A., Boldyreva, O.Y. & Dudko, D.N. Reflection and Transmission of Pressure Pulses Through a Gas Hydrate-Saturated Layer in a Porous Medium. Lobachevskii J Math 43, 1064–1068 (2022). https://doi.org/10.1134/S1995080222080108

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  • DOI: https://doi.org/10.1134/S1995080222080108

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