作者单位:GONG Xiu-kun,SONG Xue-feng,DU Wei-xu,LI Xiao-xian(Downhole Operation Engineering Company of Daqing Oilfield Driller Company,Songyuan 138000,China)宫秀坤,宋雪峰,杜维旭,李小先(大庆钻探井下作业工程公司,松原138000)PAN She-wei,TAI Guang-feng(Beijing General Research Institute of Mining & Metallurgy,Beijing 100044,China)潘社卫,台广锋(北京矿冶研究总院,北京100044)