Patents Assigned to Deep Casing Tools Ltd.
  • Running bore-lining tubulars
    Patent number: 7849927
    Abstract: A method of running a tubular string into a wellbore comprises running a bore-lining tubular string into a wellbore substantially without rotation, while rotating a cutting structure at a distal leading end of the tubular string. Other methods provide for rotation of the string and the provision of a non-rotating stabiliser towards the leading end of the string.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: December 14, 2010
    Assignee: Deep Casing Tools Ltd.
    Inventor: Derek F. Herrera