Patents by Inventor Ehren Long

Ehren Long 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).

  • Feature to eliminate shale packing/shale evacuation channel
    Patent number: 9617794
    Abstract: A drill bit having a bit body with a longitudinal axis extending therethrough and a plurality of blades extending from the bit body is disclosed. Each blade has an outer face and at least one side wall. The drill bit has at least one junk slot, wherein each junk slot is defined by the bit body surface and the side walls of adjacent blades. At least one nozzle bore is formed in the bit body, wherein each nozzle bore has an intersecting surface between the bit body surface of a junk slot and an inner surface of the nozzle bore. At least one formation evacuation channel extends through the intersecting surface of at least one of the nozzle bores, wherein each formation evacuation channel has a base surface, and wherein the formation evacuation channel extends partially around the circumference of the nozzle bore.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: April 11, 2017
    Assignee: SMITH INTERNATIONAL, INC.
    Inventors: Bala Durairajan, Rahul Bijai, Sandeep Tammineni, William Moore, Ehren Long
  • FEATURE TO ELIMINATE SHALE PACKING/SHALE EVACUATION CHANNEL
    Publication number: 20130341101
    Abstract: A drill bit having a bit body with a longitudinal axis extending therethrough and a plurality of blades extending from the bit body is disclosed. Each blade has an outer face and at least one side wall. The drill bit has at least one junk slot, wherein each junk slot is defined by the bit body surface and the side walls of adjacent blades. At least one nozzle bore is formed in the bit body, wherein each nozzle bore has an intersecting surface between the bit body surface of a junk slot and an inner surface of the nozzle bore. At least one formation evacuation channel extends through the intersecting surface of at least one of the nozzle bores, wherein each formation evacuation channel has a base surface, and wherein the formation evacuation channel extends partially around the circumference of the nozzle bore.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 26, 2013
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: Bala Durairajan, Rahul Bijai, Sandeep Tammineni, William Moore, Ehren Long