Patents by Inventor Kenneth O. Robison

Kenneth O. Robison 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).

  • Patent number: 4501323
    Abstract: A method and an apparatus for monitoring corrosive effects of fluids downhole in an oil or gas well. A side pocket mandrel is installed in the well tubing string at a depth at which monitoring is desired. Coupons of a selected material are mounted in a carrier, which is placed in the side pocket of the mandrel. Ports and passages allow casing fluid or tubing fluid to communicate with various coupons. The carrier is then removed from the well and the coupons are inspected.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: February 26, 1985
    Assignee: Hughes Tool Company
    Inventors: F. Glenn Lively, Kenneth O. Robison