1. The research and design on the system of preventive drilling tool anti top;LOU,2016
2. Technology of drilling bridge plug in high pressure gas well;REN;West-China Exploration Engineering,2012
3. Study on snubbing unit used for top drive rig;JIANG;Drilling & Production Technology,2015
4. Study on axial force calculation and strength check of drill string in vertical holes;HAN;Petroleum Drilling Techniques,1995
5. Analysis of buoyant force and calculation of axial force of drill string;CHEN;China Offshore Oil & Gas (Engineering),1997