Patents by Inventor Lew Hayes

Lew Hayes 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).

  • Device, system and method for drilling and completing a lateral well
    Patent number: 5458209
    Abstract: A method and system for lateral drilling with respect to a main well which is cased by a casing string. At least a part of the casing string provides a lateral opening adapted to enable drilling of a lateral well. A guiding device is positioned at a part of the casing string in front of the lateral opening and the guiding device is controlled from the surface of the main well. A lateral casing string equips the lateral well and provided a sub for connecting the lateral casing string to the main string in the main well.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: October 17, 1995
    Assignee: Institut Francais du Petrole
    Inventors: Lew Hayes, Larry Comeau, Christian Wittrisch, Ray Smith