Patents Assigned to SIGL-G, LLC
  • Geothermal power generation
    Patent number: 11421516
    Abstract: An enhanced oil recovery method in which carbon dioxide is injected into a well to pressure the well or add lift a production flow from the well recaptures the injected carbon dioxide for reinjection into the well for lift or into another well in a group of for pressuring the well or adding lift to the production flow from the well. Geothermal energy in the production stream can be converted to electrical power for use in the recapturing of the carbon dioxide or other operations at the well site.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: August 23, 2022
    Assignee: SIGL-G, LLC
    Inventors: Kenneth Bowdon, A. Judson Hill, David Rounds