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Author

Zhongwen Sun

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3 papers indexed here

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Open access Sep 2026

Numerical Simulation Model of Deep Coalbed Methane and Quantitative Classification Method of Adsorbed and Free Gas

Aiming at the technical bottlenecks of deep coalbed methane (DCBM) reservoirs, including ultra-low permeability, prominent stress sensitivity, difficulty in characterizing complex hydraulic fractures, and the inability to quantitatively differentiate produced free gas and adsorbed gas, this paper constructs a numerical...

Ying-Jie Wang, Zhi-Hao Tang, Wen Zhang et al. · 0 citations
Open access Aug 2026

Integrated Geomechanical Coupled Model for Co-Production of Tight Gas and Deep CBM and Its Parameter Sensitivity Study

Coal-bearing tight gas and deep coalbed methane (CBM) widely co-occur in China, and integrated commingled production outperforms separate development. Conventional separated simulation fails to capture coupled reservoir–wellbore gas–water flow. This study develops an integrated geomechanical coupled numerical model wit...

Zhong-Wen Sun, Yong-Sheng An, Guang-Ning Yang et al. · 0 citations
Open access Jul 2026

Study on Multi-Dimensional Coupled Numerical Simulation Method for Deep Coalbed Methane

The exploitation of deep coalbed methane is of great significance for easing China’s energy supply pressure and realizing the “Dual Carbon” goals. However, local grid refinement simulation methods for coalbed methane cannot well capture the characteristics of deep coalbed methane reservoirs, including strong stress sen...

Zhong-Wen Sun, Yong-Sheng An, Yiran Kang et al. · 0 citations

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