Patents by Inventor William R. Abrant

William R. Abrant 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 casing entry
    Patent number: 10018004
    Abstract: According to one aspect of the disclosure, an intercept well for penetrating an existing tubular is drilled. A casing entry tool is provided in the intercept well and operated to form at least one aperture in the wall of the existing casing. The casing entry tool may be oriented toward the target tubular. In some embodiments, a generally concave notch may be positioned on the casing entry tool and adapted to engage with the convex outer surface of the target tubular. In some embodiments, a locking mechanism may retain the orientation of the casing entry tool within the intercept well.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: July 10, 2018
    Assignee: SCIENTIFIC DRILLING INTERNATIONAL, INC.
    Inventors: William R. Abrant, Charles A. Butterfield, Jr., Gerald Heisig
  • Method and Apparatus for Casing Entry
    Publication number: 20150021029
    Abstract: According to one aspect of the disclosure, an intercept well for penetrating an existing tubular is drilled. A casing entry tool is provided in the intercept well and operated to form at least one aperture in the wall of the existing casing. The casing entry tool may be oriented toward the target tubular. In some embodiments, a generally concave notch may be positioned on the casing entry tool and adapted to engage with the convex outer surface of the target tubular. In some embodiments, a locking mechanism may retain the orientation of the casing entry tool within the intercept well.
    Type: Application
    Filed: July 18, 2014
    Publication date: January 22, 2015
    Inventors: William R. Abrant, Charles A. Butterfield, JR., Gerald Heisig