Patents by Inventor Allen D. White

Allen D. White 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).

  • Rolling cone drill bit having high density cutting elements
    Patent number: 9074431
    Abstract: A rolling cone drill bit for drilling in earthen formations having a plurality of rolling cone cutters. Each cone cutter includes a plurality of gage cutting elements, a first plurality of bottomhole cutting elements, and a second plurality of bottomhole cutter elements. Each of the first plurality of bottomhole cutting elements is staggered relative to the gage cutting elements on each cone cutter. Each of the second plurality of bottomhole cutting elements is staggered relative to the first plurality of bottomhole cutting elements on at least one cone cutter.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: July 7, 2015
    Assignee: Smith International, Inc.
    Inventors: Gary Portwood, Luca Tedeschi, Giampaolo Ferrari, Josh Gatell, John Clunan, Allen D. White
  • Drill bits having optimized cutting element counts for reduced tracking and/or increased drilling performance
    Patent number: 7798255
    Abstract: A roller cone drill bit for drilling earth formation includes rows arranged on each of the cones such that, when viewed in routed profile, cutting element profiles partially overlap other cutting element profiles. The roller cone drill bit having at least a first three interior rows adjacent a gage row, each have a cutting element count selected from the group of 16, 18, 21 and 26 cutting elements.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: September 21, 2010
    Assignee: Smith International, Inc.
    Inventors: Joshua Gatell, Amardeep Singh, Scott D McDonough, Mohammed Boudrare, Bryce A Baker, Allen D White, Brandon M Moss, Parveen K Chandila
  • Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions
    Patent number: 7686104
    Abstract: A drill bit for drilling through earthen formations and forming a borehole. In an embodiment, the bit comprises a bit body having a bit axis. In addition, the bit comprises a plurality of cone cutters, each of the cone cutters being mounted on the bit body and adapted for rotation about a different cone axis. Further, at least one cone cutter on the bit comprises an array of cutter elements mounted in a band. Still further, the cutter elements in the array are mounted in a plurality of differing radial positions relative to the bit axis.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 30, 2010
    Assignee: Smith International, Inc.
    Inventors: Amardeep Singh, Scott D. McDonough, Joshua Gatell, Mohammed Boudrare, Bryce A. Baker, Parveen K. Chandila, Brandon M. Moss, Allen D. White
  • Rolling Cone Drill Bit Having High Density Cutting Elements
    Publication number: 20090188724
    Abstract: A rolling cone drill bit for drilling in earthen formations. In an embodiment, the drill bit comprises a plurality of rolling cone cutters. Each cone cutter includes a plurality of gage cutting elements, a first plurality of bottomhole cutting elements, and a second plurality of bottomhole cutter elements. Each of the first plurality of bottomhole cutting elements is staggered relative to the gage cutting elements on each cone cutter, and the profiles of the gage cutting elements and the first plurality of bottomhole cutting elements on each cone cutter overlap in rotated profile view. Each of the second plurality of bottomhole cutting elements is staggered relative to the first plurality of bottomhole cutting elements on at least one cone cutter, and the profiles of the first plurality of bottomhole cutting elements and the second plurality of bottomhole cutting elements on at least one cone cutter overlap in rotated profile view.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 30, 2009
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Gary Portwood, Luca Tedeschi, Giampaolo Ferrari, Josh Gatell, John Clunan, Allen D. White
  • DRILL BITS HAVING OPTIMIZED CUTTING ELEMENT COUNTS FOR REDUCED TRACKING AND/OR INCREASED DRILLING PERFORMANCE
    Publication number: 20080179102
    Abstract: A roller cone drill bit for drilling earth formation may include rows arranged on each of the cones such that when viewed in routed profile, cutting element profiles partially overlap with other cutting element profiles and at least the first three interior rows adjacent a gage row each have a cutting element count selected from the group of 16, 18, 21 and 26 cutting elements.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 31, 2008
    Applicant: Smith International. Inc.
    Inventors: Joshua Gatell, Amardeep Singh, Scott D. McDonough, Mohammed Boudrare, Bryce A. Baker, Allen D. White, Brandon M. Moss, Parveen K. Chandila