Patents by Inventor William S. Brashear

William S. Brashear 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 of a self-aligning sleeve for the correction of the direction of deviated boreholes
    Patent number: 4623026
    Abstract: A method and apparatus for correcting the direction of a deviated borehole having a self-aligning sleeve slideable over flexible members of the drill string assembly, which is non-rotating and substantially the same length as a flexible member of the drill string assembly, having two elliptical protrusions. There further is included a first protrusion means for centering and stabilizing the tool in the borehole. Also, a second pad-like protrusion means is included for guiding the drill bit and drill string assembly in the desired direction.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: November 18, 1986
    Inventors: Billy W. Kemp, William S. Brashear, Jr.
  • Method and apparatus of a self-aligning sleeve for the correction of the direction of deviated boreholes
    Patent number: 4501336
    Abstract: A method and apparatus for correcting the direction of a deviated borehole having a self-aligning sleeve slideable over flexible members of the drill string assembly, which is non-rotating and substantially the same length as a flexible member of the drill string assembly, having two elliptical protrusions. There further is included a first protrusion means for centering and stabilizing the tool in the borehole. Also, a second pad-like protrusion means is included for guiding the drill bit and drill string assembly in the desired direction.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: February 26, 1985
    Inventors: Billy W. Kemp, William S. Brashear