Patents by Inventor David Wade Bryant

David Wade Bryant 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 for removing a gravel pack screen
    Patent number: 5913365
    Abstract: A method for removing a gravel-pack screen from a wellbore. of a well which has been "gravel packed". When it is desired to remove the screen from the wellbore, a washstring is lowered down the wellbore and into the interior of said screen. A wash fluid is then flowed fluid down the washstring and out through said screen into said mass of gravel surrounding the screen to fluidize, loosen, and remove said gravel. Once the mass of gravel has been loosen, the screen can then lifted upward out of said wellbore by applying a normal upward force the workstring which suspends the screen within the well.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: June 22, 1999
    Assignee: Mobil Oil Corporation
    Inventor: David Wade Bryant
  • Alternate-path well screen having protected shunt connection
    Patent number: 5868200
    Abstract: An alternate-path, well screen made-up of joints and having a sleeve positioned between the ends of adjacent joints which acts as a manifold for fluidly-connecting the alternate-paths on one joint with the alternate-paths on an adjacent joint.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: February 9, 1999
    Assignee: Mobil Oil Corporation
    Inventors: David Wade Bryant, George A. Gillespie, Steven J. Tupy