New Bit with Rolling PDC Cutter
Shi Jiangang;Wu Xingyong;Dang Wenhui;Deng Ping;Liu Gang;Engineering Technology Research Institute;Xinjiang Oilfield Company;Beijing Sunshine GEO-Tech Co.;Ltd.;
..............page:6-10
..............page:77-79+83
..............page:97-101
Development and Application of Sandblast-anchor and Release Assembly
Xu Xinhua;Zhu Yuezhen;Zhang Bo;Yang Rui;Chen Minghua;Downhole Technology Development Center;Zhongyuan Petroleum Engineering Corporation;Downhole Northwest Project Department;Zhongyuan Petroleum Engineering Corporation;Downhole Tarim Branch;Zhongyuan Petroleum Engineering Corporation;Drilling Engineering Technology Research Institute;CNPC Xibu Drilling Engineering Company Limited;The Testing Team of NO.5 Production Plant;Zhongyuan Oilfield;
..............page:102-105
..............page:106-110
..............page:111-116