Patents by Inventor Simon Mitchell

Simon Mitchell 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).

  • Integrated reaming and measurement system and related methods of use
    Patent number: 8973679
    Abstract: A downhole reaming system includes a tubular body having a drill bit disposed on a distal end thereof, and a central bore therethrough, wherein the tubular body is attached to a drillstring, an expandable reamer having cutter blocks coupled thereto and configured to selectively expand radially therefrom, a near-bit reamer disposed proximate the drill bit, the near-bit reamer having cutter blocks coupled thereto and configured to expand therefrom, and a measurement sub configured to measure at least one characteristic of an interior wall of an enlarged wellbore.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: March 10, 2015
    Assignee: Smith International, Inc.
    Inventors: Charles Dewey, Simon Mitchell
  • INTEGRATED REAMING AND MEASUREMENT SYSTEM AND RELATED METHODS OF USE
    Publication number: 20120211280
    Abstract: A downhole reaming system includes a tubular body having a drill bit disposed on a distal end thereof, and a central bore therethrough, wherein the tubular body is attached to a drillstring, an expandable reamer having cutter blocks coupled thereto and configured to selectively expand radially therefrom, a near-bit reamer disposed proximate the drill bit, the near-bit reamer having cutter blocks coupled thereto and configured to expand therefrom, and a measurement sub configured to measure at least one characteristic of an interior wall of an enlarged wellbore.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Charles Dewey, Simon Mitchell