Patents by Inventor Randall Louis Hebert

Randall Louis Hebert 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).

  • Methods of making multiple casing cuts
    Patent number: 7762330
    Abstract: Methods of removing casing from a wellbore, the method including disposing a drilling tool assembly in a wellbore, the drilling tool assembly including a cutting device, a spearing device, and a jarring device. The methods further including activating the cutting device, cutting a first casing segment, deactivating the cutting device and activating a spearing device. The method further including engaging the spearing device with the first casing segment, activating the jarring device to free the first casing segment, and removing the first casing segment from the wellbore.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: July 27, 2010
    Assignee: Smith International, Inc.
    Inventors: James E. Saylor, III, Thomas D. Helbert, Marc Henderson, Joeseph V. Hebert, Trygve Berthelsen, Randall Louis Hebert, Malcolm Perschke, A. J. Dach, III, Harshad Patil, Praful C. Desai
  • METHODS OF MAKING MULTIPLE CASING CUTS
    Publication number: 20100006290
    Abstract: Methods of removing casing from a wellbore, the method including disposing a drilling tool assembly in a wellbore, the drilling tool assembly including a cutting device, a spearing device, and a jarring device. The methods further including activating the cutting device, cutting a first casing segment, deactivating the cutting device and activating a spearing device. The method further including engaging the spearing device with the first casing segment, activating the jarring device to free the first casing segment, and removing the first casing segment from the wellbore.
    Type: Application
    Filed: July 9, 2008
    Publication date: January 14, 2010
    Applicant: SMITH INTERNATIONAL, INC.
    Inventors: James E. Saylor, III, Thomas D. Helbert, Marc Henderson, Joseph V. Hebert, Trygve Berthelsen, Randall Louis Hebert, Malcolm Perschke, A. J. Dach, Harshad Patil, Praful Desai