Patents by Inventor Tengda WANG

Tengda 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).

  • Ionic liquid shale inhibitor for drilling fluid and preparation method and application thereof
    Patent number: 11192964
    Abstract: A preparation method of an ionic liquid shale inhibitor for drilling fluid comprises the following step: subjecting the imidazole-based ionic liquid to a polymerization reaction in water environment under an inert atmosphere, and the produced polymer is used as an ionic liquid shale inhibitor for drilling fluid. The ionic liquid shale inhibitor for drilling fluid has the advantages of desirable inhibition effect, good compatibility, strong high-temperature resistance, simple preparation method and low cost.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: December 7, 2021
    Assignee: CHINA UNIVERSITY OF PETROLEUM (BEIJING)
    Inventors: Lili Yang, Guancheng Jiang, Xiao Yang, Tengda Wang, Yawei Shi
  • IONIC LIQUID SHALE INHIBITOR FOR DRILLING FLUID AND PREPARATION METHOD AND APPLICATION THEREOF
    Publication number: 20210122851
    Abstract: The present disclosure relates to the field of drilling fluid, and particularly relates to an ionic liquid shale inhibitor for drilling fluid, and a preparation method and an application thereof. The method comprises the following steps: subjecting the imidazole-based ionic liquid to a polymerization reaction in water environment under an inert atmosphere, the produced polymer is used as an ionic liquid shale inhibitor for drilling fluid. The ionic liquid shale inhibitor for drilling fluid has the advantages of desirable inhibition effect, good compatibility, strong high-temperature resistance, simple preparation method and low cost.
    Type: Application
    Filed: October 29, 2020
    Publication date: April 29, 2021
    Inventors: Lili YANG, Guancheng JIANG, Xiao YANG, Tengda WANG, Yawei SHI