Patents by Inventor Yihu WANG

Yihu WANG 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).

  • Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof
    Patent number: 11286411
    Abstract: A synergist for a water-base drilling fluid and a preparation method therefor, a water-base drilling fluid and an application thereof, and belongs to the field of drilling fluid technologies. The synergist is prepared from raw materials comprising the following parts by weight: 15˜25 parts of sodium styrene sulfonate, 8˜15 parts of allyl trimethyl ammonium chloride, 2˜8 parts of didodecyldimethylammonium bromide, 1˜5 parts of n-octyl triethoxysilane, 1˜5 parts of propyltriethoxysilane, 1˜5 parts of disodium lauryl sulfosuccinate, 10˜20 parts of nano silica, 8˜15 parts of paraffin, and the like.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: March 29, 2022
    Assignee: Beijing Shida Bocheng Technology Co., Ltd
    Inventors: Xiaohu Quan, Haiping Feng, Yihu Wang, Jianmin Chen, Yu Cao, Weizhi You, Junling Zhao, Jing Yang, Ang Li, Wei Quan
  • Synergist for water-based drilling fluid and preparation method therefor, water-based drilling fluid and application thereof
    Publication number: 20210009887
    Abstract: The present disclosure provides a synergist for a water-base drilling fluid and a preparation method therefor, a water-base drilling fluid and an application thereof, and belongs to the field of drilling fluid technologies. The synergist is prepared from raw materials comprising the following parts by weight: 15˜25 parts of sodium styrene sulfonate, 8˜15 parts of allyl trimethyl ammonium chloride, 2˜8 parts of didodecyldimethylammonium bromide, 1˜5 parts of n-octyl triethoxysilane, 1˜5 parts of propyltriethoxysilane, 1˜5 parts of disodium lauryl sulfosuccinate, 10˜20 parts of nano silica, 8˜15 parts of paraffin, and the like.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Inventors: Xiaohu QUAN, Haiping FENG, Yihu WANG, Jianmin CHEN, Yu CAO, Weizhi YOU, Junling ZHAO, Jing YANG, Ang LI, Wei QUAN