What is it about?
By considering actual reservoirs as double-porosity thermoelastic media where fractures are embedded into an isotropic porous host, we extend the Lord-Shulman thermo-poroelasticity theory to the case of double porosity. Comparisons with laboratory measurements and well-log data from ultra-deep fractured carbonates at high temperatures illustrate the temperature dependence of dispersion and attenuation of elastic waves.
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Why is it important?
The proposed LS-BR model considers the thermal effects on the fluids and frame and their mutual interaction. The study of wave propagation in a thermoporoelastic medium has many applications in geophysics, particularly, the exploration and development of ultra-deep hydrocarbon resources in western China are usually associated with high-temperature environments.
Perspectives
I hope that this paper, as an extension of previous work, can help people better understand the influence of temperature in complex formation. This is the beginning of my research on thermoelasticity, and I would be honored if I could contribute to ultra-deep geothermal development.
Nianqi Li
China University of Petroleum Huadong
Read the Original
This page is a summary of: Wave propagation in double-porosity thermoelastic media, Geophysics, September 2022, Society of Exploration Geophysicists,
DOI: 10.1190/geo2022-0008.1.
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