Patents by Inventor Dale Dusterhoft

Dale Dusterhoft 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).

  • Fracturing method and apparatus utilizing gelled isolation fluid
    Patent number: 8141638
    Abstract: A method and apparatus for fracturing a formation containing a wellbore comprising the steps of (a) injecting a gel into the wellbore; (b) permitting the gel to increase in viscosity and (c) fracturing the formation in the vicinity of the gel.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: March 27, 2012
    Assignee: Trican Well Services Ltd.
    Inventors: Michael G. Tulissi, Samuel Luk, Jason Vaughan, David J. Browne, Dale Dusterhoft
  • FRACTURING METHOD AND APPARATUS UTILIZING GELLED ISOLATION FLUID
    Publication number: 20100084134
    Abstract: A method and apparatus for fracturing a formation containing a wellbore comprising the steps of (a) injecting a gel into the wellbore; (b) permitting the gel to increase in viscosity and (c) fracturing the formation in the vicinity of the gel.
    Type: Application
    Filed: February 28, 2008
    Publication date: April 8, 2010
    Applicant: TRICAN WELL SERVICE LTD.
    Inventors: Michael G. Tulissi, Samuel Luk, Jason Vaughan, David J. Browne, Dale Dusterhoft
  • Apparatus and Method of Fracturing
    Publication number: 20080210424
    Abstract: A method and apparatus for fracturing a formation containing a wellbore comprising the steps of (a) injecting a gel into the wellbore; (b) permitting for the gel to increase viscosity and (c) fracturing the formation in the vicinity of the gel.
    Type: Application
    Filed: July 19, 2007
    Publication date: September 4, 2008
    Applicant: Trican Well Service Ltd.
    Inventors: Dale Dusterhoft, David Browne, Jason Vaughan, Sam Luk, Michael Tulissi