Characteristics of oil-water two‑phase flow pattern evolution and pressure drop change during restart of shutdown pipeline
1Safety,Environment and Technology Supervision Research Institute of PetroChina Southwest Oil and Gas Field Company,Chengdu 610041,China
2Shale Gas Evaluation and Exploitation Key Laboratory of Sichuan Province,Chengdu 610041,China
3PetroChina Southwest Oil and Gas Field Digital Intelligent Technology Branch,Chengdu 610051,China
4PetroChina Southwest Oil and Gas field Company,Chengdu 610051,China
5School of Oil & Natural Gas Engineering,Southwest Petroleum University,Chengdu 610500,China
6Oil & Gas Fire Protection Key Laboratory of Sichuan Province,Chengdu 611731,China
7Department of Transport and Storage of Oil and Gas,Ufa State Petroleum Technological University,Ufa 450062,Russia
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