Patents by Inventor Mark D. Robson

Mark D. Robson 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).

  • Wellhead hold-down apparatus and method
    Patent number: 7690435
    Abstract: An apparatus (100) and method for removably mounting a lubricator assembly (106) to a component of the wellhead stack. The component of the wellhead stack is an annular blowout preventer (BOP) (50). Tool and communication conduit lubrication and access to the wellbore without requiring activation of the packing element of the BOP (50).
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: April 6, 2010
    Assignee: Specialty Rental Tools & Supply, L.P.
    Inventors: Bill D. Jones, Mark D. Robson
  • Wellhead Hold-Down Apparatus and Method
    Publication number: 20080093087
    Abstract: An apparatus (100) and method for removably mounting a lubricator assembly (106) to a component of the wellhead stack. The component of the wellhead stack is an annular blowout preventer (BOP) (50). Tool and communication conduit lubrication and access to the wellbore without requiring activation of the packing element of the BOP (50).
    Type: Application
    Filed: July 7, 2005
    Publication date: April 24, 2008
    Applicant: SPECIALTY RENTAL TOOLS & SUPPLY, L.P.
    Inventors: Bill D. Jones, Mark D. Robson