Patents Assigned to Mud Enginneering
  • Patent number: 7879768
    Abstract: The present disclosure relates to drilling fluids for use in bitumen recovery from oil sands. In particular, the disclosure relates to a drilling fluid composition containing hydrophobically associating polymers which encapsulate the bitumen, and a method and use of the composition.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: February 1, 2011
    Assignee: Mud Enginneering
    Inventor: An Ming Wu