Patents by Inventor Paul Roderick Hazel

Paul Roderick Hazel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole
    Patent number: 7017670
    Abstract: An apparatus for securing a tubular member within a liner or borehole has a seal means connected within the tubular member, and a pressure control device operable to increase the pressure within the tubular member, such that operation of the pressure control means causes the tubular member to move radially outwardly to bear against the inner surface of the liner or borehole wall. Also, a packer for use in a downhole annular space and an isolation plug for plugging a downhole tubular are disclosed.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: March 28, 2006
    Assignee: Read Well Services Limited
    Inventors: Paul Roderick Hazel, Espen Hiorth
  • Apparatus and method
    Publication number: 20040159445
    Abstract: An apparatus for securing a tubular member within a liner or borehole has a seal means connected within the tubular member, and a pressure control device operable to increase the pressure within the tubular member, such that operation of the pressure control means causes the tubular member to move radially outwardly to bear against the inner surface of the liner or borehole wall. Also, a packer for use in a downhole annular space and an isolation plug for plugging a downhole tubular are disclosed.
    Type: Application
    Filed: February 26, 2003
    Publication date: August 19, 2004
    Inventors: Paul Roderick Hazel, Espen Hiorth