Patents by Inventor Stephen Wayland Smith

Stephen Wayland Smith 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).

  • Partially retrievable safety valve
    Patent number: 8800668
    Abstract: A method, system and apparatus is provided for a partially retrievable safety valve to control a well. The method includes securing a normally closed valve in the well. The valve may be a self-equalizing flapper valve. Following this, an actuator system operable to open the valve is run into the well. The actuator system is removable from the well while the valve remains closed and secured in the well. A submersible pump and motor may be secured to the actuator system before the actuator system is run into the well. The submersible pump and motor are also removable from the well while the valve remains closed and secured in the well. Therefore the actuator system, submersible pump and motor can be replaced or redressed, while the valve remains closed, keeping the well under control at all times.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: August 12, 2014
    Assignee: Saudi Arabian Oil Company
    Inventors: Brett Wayne Bouldin, Stephen Wayland Smith
  • Partially Retrievable Safety Valve
    Publication number: 20120199367
    Abstract: A method, system and apparatus is provided for a partially retrievable safety valve to control a well. The method includes securing a normally closed valve in the well. The valve may be a self-equalizing flapper valve. Following this, an actuator system operable to open the valve is run into the well. The actuator system is removable from the well while the valve remains closed and secured in the well. A submersible pump and motor may be secured to the actuator system before the actuator system is run into the well. The submersible pump and motor are also removable from the well while the valve remains closed and secured in the well. Therefore the actuator system, submersible pump and motor can be replaced or redressed, while the valve remains closed, keeping the well under control at all times.
    Type: Application
    Filed: February 7, 2011
    Publication date: August 9, 2012
    Applicant: Saudi Arabian Oil Company
    Inventors: Brett Wayne Bouldin, Stephen Wayland Smith