The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 29, 2008

Filed:

May. 02, 2005
Applicants:

Wesley J. Burris, Ii, Flower Mound, TX (US);

Kenneth L. Schwendemann, Flower Mound, TX (US);

Phillip M. Starr, Duncan, OK (US);

Michael L. Fripp, Carrollton, TX (US);

John J. Goiffon, Dallas, TX (US);

John H. Hales, Frisco, TX (US);

John Rodgers, Trophy Club, TX (US);

Darrin N. Towers, Carrollton, TX (US);

Inventors:

Wesley J. Burris, II, Flower Mound, TX (US);

Kenneth L. Schwendemann, Flower Mound, TX (US);

Phillip M. Starr, Duncan, OK (US);

Michael L. Fripp, Carrollton, TX (US);

John J. Goiffon, Dallas, TX (US);

John H. Hales, Frisco, TX (US);

John Rodgers, Trophy Club, TX (US);

Darrin N. Towers, Carrollton, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/09 (2006.01);
U.S. Cl.
CPC ...
Abstract

A downhole tool for use in a well bore comprises an onboard navigation system for determining the location of the tool within the well bore, wherein the tool is moved along at least a partial length of the well bore via an external force. A method of locating a downhole tool in a well bore comprises deploying the tool along at least a partial length of the well bore via an external force, and self-determining the location of the tool without receiving communications from the surface. In an embodiment, the tool is a well bore zonal isolation device.


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