Patents by Inventor Lyle Burnell Scott

Lyle Burnell Scott 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).

  • Multiple stage cementing of well casing in subsea wells
    Patent number: 4042014
    Abstract: A method and apparatus for multiple stage cementing of well casing in subsea wells. Also, a subsea stage cementer, plug stack assembly. The combination with a subsea stage cementer, plug stack assembly of a packing and shipping crate therefor. A trip-plug for operating a stage cementing collar to open the ports thereof. A dart adapted to enter the bore of a hollow plug to block the flow of liquid through the bore.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: August 16, 1977
    Assignee: BJ-Hughes Inc.
    Inventor: Lyle Burnell Scott