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:
Nov. 21, 2023

Filed:

Oct. 16, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Jianhui Xu, Dhahran, SA;

Guodong (David) Zhan, Dhahran, SA;

Timothy Eric Moellendick, Dhahran, SA;

Amjad O. Shaarawi, Al Khobar, SA;

Abdulwahab S. Al-Johar, Dhahran, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/28 (2006.01); E21B 10/43 (2006.01); E21B 4/02 (2006.01); E21B 4/04 (2006.01); E21B 4/16 (2006.01); E21B 10/00 (2006.01); E21B 10/567 (2006.01); E21B 34/16 (2006.01);
U.S. Cl.
CPC ...
E21B 10/003 (2013.01); E21B 4/02 (2013.01); E21B 4/04 (2013.01); E21B 4/16 (2013.01); E21B 10/43 (2013.01); E21B 10/567 (2013.01); E21B 34/16 (2013.01); E21B 2200/06 (2020.05);
Abstract

A reversible polycrystalline diamond compact (PDC) bit. The reversible PDC bit includes at least one blade, at least one front cutter disposed on a first side of the at least one blade, and at least one rear cutter disposed on a second side of the at least one blade, wherein the first side is opposite to the second side along a circumferential direction of the reversible PDC bit, wherein rotating the reversible PDC bit in a clockwise direction engages the at least one front cutter to cut into a subterranean formation, and wherein rotating the reversible PDC bit in a counter-clockwise direction engages the at least one rear cutter to cut into the subterranean formation.


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