..............page:8-12+17
Variable-Diameter Drill Pipe Mud Saver
Wang Jianbin;Zhang Yan;Xiong Qingshan;Xiong Xiao;Wang Zhenyu;Zhou Qicheng;Petroleum Engineering College of Yangtze University;College of Earth Sciences;Yangtze University;The First Drilling Company;SINOPEC Jianghan Oilfield Service Corporation;No.1 Bohai Drilling Company;Shengli Oilfield;Zhongyuan Petroleum Engineering Company;
..............page:37-40
Study on Sealing Structure of Subsea Pipeline Repair Clamp
Zhao Bingjie;Zhu Hongwu;Zhang Jinya;Tang Deyu;Zhang Shuli;College of Mechanical and Transportation Engineering;China University of Petroleum;CNPC Research Institute of Engineering Technology;Key Laboratory of Ocean Engineering;CNPC;CNOOC Security & Technology Services Co.;Ltd.;
..............page:50-54
..............page:77-81+86
..............page:98-101
..............page:102-105
..............page:106-108