Patents by Inventor Pengpeng QI

Pengpeng QI 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).

  • Methods and compositions for enhanced oil recovery
    Patent number: 11840664
    Abstract: Methods and compositions comprising one or more degraded in situ gelable polymers are provided. Use of such compositions and methods comprising one or more degraded in situ gelable polymers during enhanced oil recovery may result in an increase in oil production relative to methods and/or compositions which do not comprise one or more degraded in situ gelable polymers.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: December 12, 2023
    Assignee: KEMIRA OYJ
    Inventors: Yuping Luo, Pengpeng Qi
  • METHODS AND COMPOSITIONS FOR ENHANCED OIL RECOVERY
    Publication number: 20210371728
    Abstract: The present embodiments generally relate to methods and compositions comprising one or more degraded in situ gelable polymers. Use of such compositions and methods comprising one or more degraded in situ gelable polymers during enhanced oil recovery may result in an increase in oil production relative to methods and/or compositions which do not comprise one or more degraded in situ gelable polymers.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 2, 2021
    Inventors: Yuping LUO, Pengpeng QI