Helium characteristics and resource potential analysis of Wufeng-Longmaxi Formation in Changning area, southern Sichuan
YU Zhenxiang, CHEN Lei, CHEN Xin, LIU Rui, TAN Xiucheng, WU Shuaicai, QIN Hexing, XU Qiang
Petroleum Reservoir Evaluation and Development . 2025, (5): 933 -946 .  DOI: 10.13809/j.cnki.cn32-1825/te.2025.05.022