1. PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China;2. State Key Laboratory of Enhanced Oil Recovery; CNPC Key Laboratory of Oil and Gas Reservoir, Beijing 100083, China;3. CNPC Key Laboratory of Petroleum Reservoir, Beijing 100083, China;4. PetroChina Changqing Oilfield Company, the Fourth Gas Production Plant, Ordos, Neimenggu 017399, China
MA Xueying, DENG Shenghui, LI Xu, WANG Xiaomei, FAN Ru, LU Yuanzheng, LUO Zhong, SU Nan, SUN Yanqi, LI Fengfeng.2023. The Middle-Upper Ordovician conodont biostratigraphic and carbon isotope stratigraphic study in southwestern China[J]. Acta Geologica Sinica,97(6):1741-1752
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