Patents by Inventor Xiuzhen HAN

Xiuzhen HAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composition and use therof, oil-based drilling fluid and a method for raising shearing force of oil-based drilling fluid
    Patent number: 10150903
    Abstract: 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.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 11, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERING
    Inventors: Yongxue Lin, Xianguang Wang, Zhoujun Li, Xiuzhen Han, Sheng Li, Xiaohua Yang, Xiong Li, Jianwu Zhen, Suli Zhao
  • COMPOSITION AND USE THEREOF, OIL-BASED DRILLING FLUID AND A METHOD FOR RAISING SHEARING FORCE OF OIL-BASED DRILLING FLUID
    Publication number: 20170009121
    Abstract: 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.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 12, 2017
    Applicants: China Petroleum & Chemical Corporation, SINOPEC Research Institute of Petroleum Engineering
    Inventors: Yongxue LIN, Xianguang WANG, Zhoujun LI, Xiuzhen HAN, Sheng LI, Xiaohua YANG, Xiong LI, Jianwu ZHEN, Suli ZHAO