Patents by Inventor Steve Shirk

Steve Shirk 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).

  • Computer controlled downhole safety valve system
    Patent number: 6199629
    Abstract: A subsurface safety device positioning and monitoring system includes a controller and at least one downhole sensor that senses and records conditions of the well near the valve and of the valve itself. Conditions include temperature, pressure, flow rate, degree of closure of valve, structural condition of valve, water cut of produced fluids, etc.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: March 13, 2001
    Assignee: Baker Hughes Incorporated
    Inventors: Steve Shirk, Mike Rawson, Brian Shaw