1. Centre for Offshore Engineering and Safety Technology (COEST), China University of Petroleum (East China), Qingdao, People’s Republic of China
2. Jiangsu Shuguang Oil Tools Co., Ltd, Taizhou, People’s Republic of China
3. CNOOC Ener Tech-Drilling & Production Co. Deepwater Drilling & Production Technology Branch, Zhanjiang, People’s Republic of China