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Practices and understandings on safe drilling technologies for 9000-m-level super deep and ultra high temperature and pressure strata, Sichuan-Chongqing area
WANG Minghua, HE Liqin, ZHUO Yun, ZHANG Jie, TIAN Qingjiang, HU Rende
Natural Gas Exploration and Development . 2023, (2): 44 -50 .  DOI: 10.12055/gaskk.issn.1673-3177.2023.02.006