Zhang Jincheng

Progress in the Ultra-deep Well Drilling Technology of SINOPEC

Zhang Jinshuang, Niu Xinming, Zhang Jincheng, 2017 .

EXPERIMENTAL APPLICATION OF TORKBUSTER TORSIONAL IMPACTOR IN YUANBA REGION

Zhang Jincheng, 2012 .

DRILLING TECHNOLOGY FOR DEEP & ULTRA-DEEP WELL IN WEST CHINA

Zhang Jincheng, Zhang Jincheng, 2010 .