Patents by Inventor James David Mathers Peter

James David Mathers Peter 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).

  • Method and apparatus for a drill cutting injection system
    Patent number: 6394194
    Abstract: A drill cuttings injection system for a well with a wellhead housing and a casing hanger supported in the wellhead housing. The wellhead has an axial flow port with an upper end in communication with an outer surface of the housing and a lower end in communication with an inner surface of the housing. An injection ring is positioned on the wellhead housing and has an external port. The injection ring defines an annular gallery in communication with the upper end of the axial flow port. A cuttings injector is adapted to land on the injection ring and has a hydraulic passageway sealable to the external port through which drill cuttings can be pumped into the well.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: May 28, 2002
    Assignee: ABB Vetco Gray Inc.
    Inventors: Michael Queen, James David Mathers Peter, Norman Brammer, Alan Clark