Patents by Inventor Fabin Xu

Fabin Xu 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).

  • Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling method
    Patent number: 10442973
    Abstract: The invention relates to the field of petroleum drilling fluids, and discloses a super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid comprising polymeric super-amphiphobic agent and a drilling method. The polymeric super-amphiphobic agent comprises structural units A derived from acrylamide, structural units B derived from methyl methacrylate, structural units C derived from butyl acrylate, structural units D derived from a compound represented by the following formula (1), structural units E derived from a silane coupler, and nano-titania; wherein the nano-titania is bonded to the polymeric super-amphiphobic agent via the structural unit E, and the silane coupler is a silane coupler having double bonds; R is a C3-C8 perfluoroalkyl group. A water-based drilling fluid additive prepared from the polymeric super-amphiphobic agent in the present invention has excellent wettability, inhibition, lubrication, reservoir protection, and rheology and fluid loss properties.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: October 15, 2019
    Assignee: CHINA UNIVERSITY OF PETROLEUM (BEIJING)
    Inventors: Guancheng Jiang, Xiaoxiao Ni, Lili Yang, Yinbo He, Xiaohu Quan, Zhong Li, Xiaoyong Wang, Yongbin Guo, Fabin Xu, Zhengqiang Deng, Xi Wang, Deli Gao, Kai Wang, Xuwu Luo, Chunyao Peng