Patents by Inventor Mike L. Braby

Mike L. Braby 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).

  • Downhole pulling tool
    Patent number: 6152219
    Abstract: A downhole pulling tool (100) for retrieving downhole devices (102, 104) from a wellbore is disclosed. The downhole pulling tool (100) includes a mandrel (106) and a sleeve (108) that is slidably disposed about the mandrel (106). The sleeve (108) is moveable in a first direction from a first position to a second position relative to the mandrel (106) and is moveable in a second direction from the second position to a third position relative to the mandrel (106). An engagement member (114) radially extends between the mandrel (106) and the sleeve (108) and is operated from a retracted position to an engagement position when the sleeve (108) is moved to the second position relative to the mandrel (106) after equalization.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: November 28, 2000
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James D. Vick, Jr., Mike L. Braby