1. Senior Engineer, Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan 610213, China (corresponding author).
2. Postgraduate Student, National Engineering Laboratory for Pipeline Safety, China Univ. of Petroleum, Beijing 102200 China.
3. Professor Engineer, PetroChina Southwest Oil & Gasfield Company, No. 34, Section 1, Fuqing Rd., Chenghua District, Chengdu, Sichuan 610051, China.
4. Professor Engineer, Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan 610213, China.
5. Senior Engineer, PetroChina Southwest Oil & Gasfield Company, No. 34, Section 1, Fuqing Rd., Chenghua District, Chengdu, Sichuan 610051, China.
6. Engineer, Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan 610213, China.
7. Engineer, Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan 610213, China; National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu, Sichuan, China.
8. Professor, Petroleum Engineering School, Southwest Petroleum Univ., Chengdu, Sichuan 610500, China.