Patents Assigned to ENERGY RECOVERY, LLC
  • System for using pressure exchanger in dual gradient drilling application
    Patent number: 10072675
    Abstract: A system includes a mud return system. The mud return system includes a pressure exchanger (PX) configured to be installed in a body of water, to receive used drilling mud, to receive a second fluid, to utilize the second fluid to pressurize the drilling mud for transport, via a mud return line, from a first location at or near the sea floor to a second location at or near a surface of the body of water.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 11, 2018
    Assignee: ENERGY RECOVERY, LLC
    Inventors: James Elliott McLean, Jr., Farshad Ghasripoor, David Deloyd Anderson, Jeremy Grant Martin