Patents by Inventor Steve McLeod

Steve McLeod 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).

  • Installation of downhole electrical power cable and safety valve assembly
    Patent number: 7195072
    Abstract: The present invention generally provides apparatus and methods for removing liquid from a well. In one embodiment, a cable and subsurface safety valve assembly is used with a downhole pumping system to remove water from the well. The cable and subsurface safety valve assembly allows the cable to run from surface to a pumping unit while maintaining safety valve integrity. In another aspect, the cable and subsurface safety valve assembly may be adapted for use with an existing production tubing.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: March 27, 2007
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Graham MacKay, Colin Rae, Steve McLeod, Martin Riddell
  • Installation of downhole electrical power cable and safety valve assembly
    Publication number: 20050077050
    Abstract: The present invention generally provides apparatus and methods for removing liquid from a well. In one embodiment, a cable and subsurface safety valve assembly is used with a downhole pumping system to remove water from the well. The cable and subsurface safety valve assembly allows the cable to run from surface to a pumping unit while maintaining safety valve integrity. In another aspect, the cable and subsurface safety valve assembly may be adapted for use with an existing production tubing.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 14, 2005
    Inventors: Graham MacKay, Colin Rae, Steve McLeod, Martin Riddell