作者单位:FAN Yong-tao(MOE Key Lab of Petroleum engineering(China University of Petroleum),Beijing 102249,China)范永涛(中国石油大学石油工程教育部重点实验室,北京昌平102249)LI Ping(CNOOC Energy Technology & Service-Oilfield Technology Service Co.,Tianjin 300452,China)李萍(中海油能源发展股份有限公司采油技术服务分公司,天津塘沽300452)LIU Shi-ying(Cheng Du Equipment Manufacturing Company of Baoji Petroleum Machinery,Cheng Du 618300,China)刘时英(宝鸡石油机械有限责任公司广汉钻采设备厂,四川广汉618300)