Patents Assigned to Stacey Oil Services, Ltd.
  • Rotating diverter head
    Patent number: 7308954
    Abstract: A rotating diverter head for use on a blow out preventer stack of an oil, gas or geothermal well. While providing for sealing and rotation of a drill pipe through the head, the head additional includes a flange on which the head is rotatable. The flange connects the head to the stack whereupon it can be rotated to align a return flow line before being locked in position.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: December 18, 2007
    Assignee: Stacey Oil Services, Ltd.
    Inventor: Peter Stewart Martin-Marshall