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:
Feb. 15, 2022

Filed:

Feb. 14, 2020
Applicant:

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

Inventors:

Zakaria Maouche, The Woodlands, TX (US);

Mohammad Amro, Dallas, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/14 (2006.01); E21B 10/42 (2006.01); E21B 10/567 (2006.01);
U.S. Cl.
CPC ...
E21B 10/14 (2013.01); E21B 10/42 (2013.01); E21B 10/567 (2013.01);
Abstract

A hybrid drill bit includes a bit body having a plurality of fixed cutters disposed thereon and at least one rolling-cutter pocket. The hybrid drill bit further includes a rolling cutter rotatably positioned within the rolling-cutter pocket on the bit body. The rolling cutter includes a roller body with an axial bore and a plurality of teeth arranged around the roller body to engage a subterranean formation. Additionally, the hybrid drill bit includes a rolling cutter retention mechanism including a pin received within the axial bore of the rolling cutter, the pin engaging the bit body to rotatably couple the rolling cutter within the rolling-cutter pocket in the bit body.


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