Cheng Zhai

Aug 22, 2024 | dx.doi.org | Yu Wang |Cheng Zhai |Ting Liu |Jizhao Xu

Dec 10, 2023 | dx.doi.org | Ting Huang |Cheng Zhai |Ting Liu |Jizhao Xu

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Oct 22, 2023 | dx.doi.org | Hexiang Xu |Jizhao Xu |Cheng Zhai |Xu Yu

Water injection has been widely used to prevent gas disasters and coal dust in coal mines. Coal would be wetted and softened by water through spontaneous imbibition (SI), which is mainly influenced by the pore structure and wettability. Studying the effects of pore structure and wettability on SI is of great significance for optimizing coal seam water injection parameters.

Jul 3, 2023 | dx.doi.org | Shuai Wang |Cheng Zhai |Jizhao Xu

The injection of CO2 into deep unrecoverable coal seams can serve the dual purpose of facilitating the efficient extraction of coal-bed methane (CBM) and geological storage of CO2. However, due to the nonhomogeneous and anisotropic nature of coal seams, which are influenced by depositional environment, geological structure, and hydrogeology, the anisotropy of the deep unrecoverable coal seams can affect the CO2–water–coal reaction.