Patents by Inventor Jim R. Longbottom

Jim R. Longbottom 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).

  • Expandable wellbore junction
    Patent number: 6189616
    Abstract: Multiple wellbores are interconnected utilizing a deflection device having a guide layer of lower hardness than the body of the deflection device, and a cutting tool having a guide portion and being operative to cut through the deflection device guide layer and a tubular structure lining a wellbore.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: February 20, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: John C. Gano, Tommie A. Freeman, Jim R. Longbottom, John S. Bowling
  • Expandable wellbore junction
    Patent number: 6135208
    Abstract: Methods and apparatus are provided for use in conjunction with subterranean well operations. In a described embodiment, an expandable wellbore connector is utilized in interconnecting multiple wellbores in the well. The wellbore connector is expanded into a cavity formed in one wellbore, and then another wellbore is drilled through the wellbore connector. The wellbore connector is sealingly engaged with tubular members in each wellbore.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: October 24, 2000
    Assignee: Halliburton Energy Services, Inc.
    Inventors: John C. Gano, Tommie A. Freeman, Jim R. Longbottom, John S. Bowling