Patents by Inventor David Roger Jeanson

David Roger Jeanson 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).

  • Dehydration of drilling mud
    Patent number: 6216361
    Abstract: There is provided an improved method for removing water from oil based drilling fluids used in the drilling of boreholes through the ground wherein MgSO4 (magnesium sulfate) is added to the drilling fluid to scavenge the water therefrom.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: April 17, 2001
    Assignee: Newpark Canada Inc.
    Inventors: Richard J. Smith, David Roger Jeanson