1. College of Chemistry & Chemical Engineering, Yantai University, Yantai 264005, China
2. Liaodong Operation Company of CNOOC (China) Co. Ltd., Tianjin Branch LD6–2CEPA, Tianjin 330451, China
3. Shandong Special Equipment Inspection Institute Co. Ltd., Jinan 250101, China
4. College of Mechanical and Electronic Engineering, China University of Petroleum (East China), Qingdao 266580, China