Patents by Inventor Marvin Bryce Traweek, IV

Marvin Bryce Traweek, IV 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).

  • Washpipeless isolation strings and methods for isolation
    Patent number: 7124824
    Abstract: An isolation string having: an upper packer; and an isolation pipe in mechanical communication with the upper packer, wherein the isolation pipe comprises a pressure activated valve and an object activated valve. A method having: running-in an isolation string on a service tool, wherein the isolation string comprises a pressure activated valve and a object activated valve; setting the isolation string in the casing adjacent perforations in the casing; releasing an object from the service tool, whereby the object travels to the object activated valve; closing the object activated valve with the released object; and withdrawing the service tool from the well.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: October 24, 2006
    Assignee: BJ Services Company, U.S.A.
    Inventors: Dewayne Turner, Donald H. Michel, Marvin Bryce Traweek, IV, Richard J. Ross, Floyd Romaine Bishop