1. Research Institute of Natural Gas Technology, Petro China Southwest Oil and Gas Field Company, Chengdu, 6102132, China; Key Laboratory of Natural Gas Quality Control and Energy Measurement of China National Petroleum Corporation (CNPC), Chengdu,
6102132, China
2. Research Institute of Natural Gas Technology, Petro China Southwest Oil and Gas Field Company, Chengdu, 6102132, China; Key Laboratory of Natural Gas Quality Control and Energy Measurement of China National Petroleum Corporation (CNPC), Chengdu, 6102132,
China