Patents by Inventor Randy Elum

Randy Elum 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).

  • Tool protection guide
    Patent number: 5896925
    Abstract: According to the present invention, there is provided a device for guiding a tool on a string within a blow out prevention ("BOP") stack. In one embodiment, the device includes a top collar connected to a bottom collar by a shroud having a plurality of flexible members which bow outwardly from the collars, wherein the shroud covers a portion of the tool. An energy absorbing bumper is provided above the top collar to absorb structural impact caused by a blow out or other inadvertant pressure in a downhole application.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: April 27, 1999
    Assignee: FMC Corporation
    Inventors: Gerald Brian Swagerty, David Earl Cain, John Robert Herold, Don B. Wafer, Randy Elum, Bashir M. Koleilat, Henry Wong
  • Tool protection guide with energy absorbing bumper
    Patent number: 5730218
    Abstract: According to the present invention, there is provided a device for guiding a tool on a string within a blow out prevention ("BOP") stack. In one embodiment, the device includes a top collar connected to a bottom collar by a shroud having a plurality of flexible members which bow outwardly from the collars, wherein the shroud covers a portion of the tool. An energy absorbing bumper is provided above the top collar to absorb structural impact caused by a blow out or other inadvertant pressure in a downhole application.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: March 24, 1998
    Assignee: FMC Corporation
    Inventors: Gerald Brian Swagerty, David Earl Cain, John Robert Herold, Don B. Wafer, Randy Elum, Bashir M. Koleilat, Henry Wong