Patents by Inventor Steven E. Buchanan

Steven E. Buchanan 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).

  • Integrated pumping system for use in pumping a variety of fluids
    Patent number: 6811382
    Abstract: An integrated pumping system for use in environments, such as subterranean environments, to move a desired fluid from one location to another. The integrated pumping system comprises one or more stages that each have an integrated pump and motor. A controller may be utilized to individually control the one or more integrated pumps and motors.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: November 2, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Steven E. Buchanan, Grigory L. Arauz, Kenneth L. Havlinek, Ashley Kishino, Lawrence C. Lee, W. Keith Russell, Thomas H. Zimmerman, Anthony F. Veneruso
  • Sealed ESP motor system
    Publication number: 20030132003
    Abstract: The present invention provides a submersible motor and pump system for use in a wellbore. More specifically, the present invention provides a submersible system having a sealed motor and a magnetic coupling to transmit torque from the sealed motor to the pump.
    Type: Application
    Filed: December 17, 2002
    Publication date: July 17, 2003
    Inventors: Grigory L. Arauz, Steven E. Buchanan
  • Integrated pumping system for use in pumping a variety of fluids
    Publication number: 20020066568
    Abstract: An integrated pumping system for use in environments, such as subterranean environments, to move a desired fluid from one location to another. The integrated pumping system comprises one or more stages that each have an integrated pump and motor. A controller may be utilized to individually control the one or more integrated pumps and motors.
    Type: Application
    Filed: October 3, 2001
    Publication date: June 6, 2002
    Inventors: Steven E. Buchanan, Grigory L. Arauz, Kenneth L. Havlinek, Ashley Kishino, Lawrence C. Lee, W. Keith Russell, Thomas H. Zimmerman, Anthony F. Veneruso