Patents by Inventor Christopher J. Parrish

Christopher J. Parrish 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 test tool and method
    Patent number: 8727011
    Abstract: A method of pressure testing a lower marine riser package includes forming an inflatable packer having exposed slats and an inflatable packer element. The packer is positioned within the lower marine riser package above the cap seal with the exposed slats above the packer element. The packer is inflated and fluid pressure is then applied to test the integrity of the cap seal. The packer may be inverted, then positioned below the BOP/riser connection, the packer inflated, and pressure increased above the inflated packer element to test the fluid integrity of the BOP/riser connection.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: May 20, 2014
    Assignee: TAM International, Inc.
    Inventor: Christopher J. Parrish
  • Wellhead Test Tool and Method
    Publication number: 20110120720
    Abstract: A method of pressure testing a lower marine riser package includes forming an inflatable packer having exposed slats and an inflatable packer element. The packer is positioned within the lower marine riser package above the cap seal with the exposed slats above the packer element. The packer is inflated and fluid pressure is then applied to test the integrity of the cap seal. The packer may be inverted, then positioned below the BOP/riser connection, the packer inflated, and pressure increased above the inflated packer element to test the fluid integrity of the BOP/riser connection.
    Type: Application
    Filed: November 24, 2009
    Publication date: May 26, 2011
    Inventor: Christopher J. Parrish