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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 7 | Geoscience Letters

Fig. 7

From: Preservation conditions and potential evaluation of the Longmaxi shale gas reservoir in the Changning area, southern Sichuan Basin

Fig. 7

Lithological characteristics and sealing ability of the strata in Well GX-1. Q is Quaternary; T1j, T1t, and T1f are the Jialingjiang, Tongjiezi, and Feixianguan formations of the Lower Triassic; P3l and P3β are the Leping formation and Emeishan Basalt of the Upper Permian; P2m, P2q, and P2l are the Maokou, Qixia, and Liangshan formations of the Middle Permian; S1s and S2h are the Shiniulan and Hanjiadian formations of Lower and Middle Silurian; S1l and O3w are the Longmaxi and Wufeng formations of the Lower Silurian and Upper Ordovician, and O2b is the Baotao formation of the Middle Ordovician. The data of porosity, permeability, and breakthrough pressure refer to Ou et al. (2021), Wang et al. (2021), Ning (2020), and He et al. (2019b)

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