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:
Mar. 26, 2024

Filed:

Jul. 08, 2022
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Wesley P. Dietz, Carrollton, TX (US);

David Joe Steele, Carrollton, TX (US);

Christopher Grace, Carrollton, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01); E21B 7/06 (2006.01); E21B 10/26 (2006.01); E21B 10/567 (2006.01); E21B 29/06 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 10/43 (2013.01); E21B 7/061 (2013.01); E21B 10/567 (2013.01); E21B 29/06 (2013.01); E21B 10/26 (2013.01); E21B 41/0035 (2013.01);
Abstract

A mill bit and a well system are covered. The mill bit, in one aspect, includes a tubular having an uphole end and a downhole end. The mill bit, in accordance with this aspect, further includes a first cutting section having one or more first cutting surfaces disposed about the tubular, the first cutting section having a first material removal rate and configured to engage with wellbore casing disposed within a wellbore. The mill bit, in accordance with this disclosure, further includes a second cutting section having one or more second cutting surfaces disposed about the tubular, the second cutting section having a second material removal rate less than the first material removal rate and configured to engage with a whipstock disposed within the wellbore.


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