Integrated drifting-scraping-fishing-flushing strings and their application to ultra-deep wells in Sichuan Basin
TAN Xiwei, ZENG Xianju, WANG Xin, LI Houjie, YANG Jiaxu
Natural Gas Technology and Economy . 2026, (1): 30 -36 .  DOI: 10.3969/j.issn.2095-1132.2026.01.005

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