Patents by Inventor Ronald T. ROBINSON

Ronald T. ROBINSON 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).

  • Method and apparatus for removing unexpanded shoe
    Patent number: 9080402
    Abstract: A method of removing an unexpanded shoe comprises disposing a tool in a wellbore. The tool includes a latch assembly and a mill body. The latch assembly is engaged with a shoe assembly that is coupled to the wellbore by a tubular having an expanded portion and an unexpanded portion. The mill body is rotated relative to the latch assembly so as to mill the unexpanded portion of the tubular until the shoe assembly is uncoupled from the wellbore. The tool and the shoe assembly are then pulled through the expanded portion and out of the wellbore.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: July 14, 2015
    Assignee: ENVENTURE GLOBAL TECHNOLOGY, INC.
    Inventors: Eric James Connor, Harsh V. Chowdhary, Frederick C. Bennett, Nanda K. Boddeda, Ronald T. Robinson
  • METHOD AND APPARATUS FOR REMOVING UNEXPANDED SHOE
    Publication number: 20140251617
    Abstract: A method of removing an unexpanded shoe comprises disposing a tool in a wellbore. The tool includes a latch assembly and a mill body. The latch assembly is engaged with a shoe assembly that is coupled to the wellbore by a tubular having an expanded portion and an unexpanded portion. The mill body is rotated relative to the latch assembly so as to mill the unexpanded portion of the tubular until the shoe assembly is uncoupled from the wellbore. The tool and the shoe assembly are then pulled through the expanded portion and out of the wellbore.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 11, 2014
    Applicant: ENVENTURE GLOBAL TECHNOLOGY, LLC
    Inventors: Eric James CONNOR, Harsh V. CHOWDHARY, Frederick C. BENNETT, Nanda K. Boddeda, Ronald T. ROBINSON