US Patent Issued to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) on May 11 for "Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates" (Chinese Inventors)

Press/Media: Research

PeriodMay 12 2021

Media coverage

1

Media coverage

  • TitleUS Patent Issued to CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) on May 11 for "Active control method and control device for wellbore pressure in the open-cycle drilling of marine natural gas hydrates" (Chinese Inventors)
    Media name/outletUS Fed News
    Country/TerritoryUnited States
    Date5/12/21
    PersonsLiu Zheng