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136411 - Coupled hydro thermal mechanical analysis for cold CO2 injection.pdf (1.56 MB)

Coupled hydro-thermal-mechanical analysis for cold CO2 injection into a deep saline aquifer

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posted on 2023-05-20, 09:05 authored by Wang, H, Wang, J, Xiaolin WangXiaolin Wang, Dou, F, Hu, B
This study investigated the thermal effects of thermal stress and Joule-Thomson cooling on CO2 migration in a deep saline aquifer through a hydro-thermal-mechanical model. Firstly, the temperature variation of injected CO2 was analyzed through the coupling of two-phase flow, deformation of porous medium and heat transfer with Joule-Thomson effect. Then, the effect of capillary entry pressure on CO2 plume was numerically investigated and compared. It is found that injection temperature and Joule-Thomson effect can significantly affect the distributions of CO2 mass and temperature, particularly in the upper zone near the injection well. The reduction of capillary entry pressure accelerates the upward migration of CO2 plume and increases the CO2 lateral migration distance.

History

Publication title

Thermal Science

Volume

23

Issue

S3

Pagination

917-925

ISSN

0354-9836

Department/School

School of Engineering

Publisher

Yugoslav Society of Heat Transfer Engineers

Place of publication

Serbia

Rights statement

Copyright 2019 Society of Thermal Engineers of Serbia. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/

Repository Status

  • Open

Socio-economic Objectives

Oil and gas exploration

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