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Insights into the Multiscale Conductivity Mechanism of Marine Shales from Wufeng–Longmaxi Formation in the Southern Sichuan Basin of China by Huaimin Dong; Xin Zeng; Dalin Zhou; Jinjiang Zhu; Naser Golsanami; Jianmeng Sun; Yihuai Zhang is a Engineering article available to read on EtoBox.

What is Insights into the Multiscale Conductivity Mechanism of Marine Shales from Wufeng–Longmaxi Formation in the Southern Sichuan Basin of China about?

Gas-bearing capacity is an important feature in the evaluation of the different properties of shale. The calculation of adsorbed gas and free gas content is the focus of the shale gas-bearing capacity evaluation, for which gas saturation is a key parameter. In the present study, the target area was the marine shales of the Wufeng-Longmaxi Formation in the Dingshan, Jiaoshiba, and Changning areas of the southern Sichuan Basin in China, while the purpose of the study was the more effective characterization of Langmuir's volume and Langmuir's pressure using well-logging data. The application of new well-logging technologies in the evaluation of shale gas-bearing capacity is seldom studied, and the conventional sand-mudstone saturation models calculate the shale gas-bearing capacity with low accuracy. Therefore, this study systematically analyzed the shale conductivity mechanism, which laid the foundation for a new calculation model for shale gas saturation. The analysis results of the influencing factors of shale conductivity in the study area showed that the resistivity of shale in the interlayer is mainly affected by the thin low-resistivity layers, and the resistivity of shale in l

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Author

Huaimin Dong; Xin Zeng; Dalin Zhou; Jinjiang Zhu; Naser Golsanami; Jianmeng Sun; Yihuai Zhang

Publisher

American Society of Civil Engineers (ASCE)

Published

2023

Language

EN

Field

Engineering (Physical Sciences)