Patents by Inventor Daryl N. Wise

Daryl N. Wise 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).

  • Drill bit assembly for directional drilling
    Patent number: 7506701
    Abstract: In one aspect of the invention a drill bit assembly has a body portion intermediate a shank portion and a working portion, the working portion having at least one cutting element. A shaft is supported by the body portion and extends beyond the working portion. The shaft also has a distal end that is rotationally isolated from the body portion. In another aspect of the invention, a method for steering a downhole tool string has the following steps: providing a drill bit assembly attached to an end of the tool string disposed within a bore hole; providing a shaft extending beyond a working portion of the assembly; engaging a subterranean formation with a distal end of the shaft; and angling the drill bit assembly with the shaft along a desired drilling trajectory.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: March 24, 2009
    Inventors: David R. Hall, Francis E. Leany, Scott Dahlgren, David Lundgreen, Daryl N. Wise
  • Drill Bit Assembly for Directional Drilling
    Publication number: 20080179098
    Abstract: In one aspect of the invention a drill bit assembly has a body portion intermediate a shank portion and a working portion, the working portion having at least one cutting element. A shaft is supported by the body portion and extends beyond the working portion. The shaft also has a distal end that is rotationally isolated from the body portion. In another aspect of the invention, a method for steering a downhole tool string has the following steps: providing a drill bit assembly attached to an end of the tool string disposed within a bore hole; providing a shaft extending beyond a working portion of the assembly; engaging a subterranean formation with a distal end of the shaft; and angling the drill bit assembly with the shaft along a desired drilling trajectory.
    Type: Application
    Filed: March 21, 2008
    Publication date: July 31, 2008
    Inventors: David R. Hall, Francis E. Leany, Scott Dahlgren, David Lundgreen, Daryl N. Wise
  • Drill bit assembly for directional drilling
    Patent number: 7360610
    Abstract: In one aspect of the invention a drill bit assembly has a body portion intermediate a shank portion and a working portion, the working portion having at least one cutting element. A shaft is supported by the body portion and extends beyond the working portion. The shaft also has a distal end that is rotationally isolated from the body portion. In another aspect of the invention, a method for steering a downhole tool string has the following steps: providing a drill bit assembly attached to an end of the tool string disposed within a bore hole; providing a shaft extending beyond a working portion of the assembly; engaging a subterranean formation with a distal end of the shaft; and angling the drill bit assembly with the shaft along a desired drilling trajectory.
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: April 22, 2008
    Inventors: David R. Hall, Francis E. Leany, Scott Dahlgren, David Lundgreen, Daryl N. Wise