专利检索 ap:("China Petroleum & Chemical Corporation" OR "SINOPEC Research Inst. of Petroleum Engineering") AND inv:"Jianwu Zhen" 第 1 页

1.

发明授权
Composition and use therof, oil-based drilling fluid and a method for raising shearing force of oil-based drilling fluid 有权

公开(公告)号：US10150903B2

公开(公告)日：2018-12-11

申请号：US15203007

申请日：2016-07-06

申请人： China Petroleum & Chemical Corporation , SINOPEC Research Inst. of Petroleum Engineering

发明人： Yongxue Lin , Xianguang Wang , Zhoujun Li , Xiuzhen Han , Sheng Li , Xiaohua Yang , Xiong Li , Jianwu Zhen , Suli Zhao

IPC分类号： C09K8/035 , C09K8/36 , C09K8/32

摘要： A composition and use thereof are disclosed herein. The composition comprises at least two selected from the group of amphiphilic block copolymer, polyurethane and acidic ionic compound. Also an oil-based drilling fluid comprising the composition and a method improving shearing force of oil-based drilling fluid are disclosed. The composition disclosed herewith can raise the shearing force of oil-based drilling fluid.