Patent · US Active

Reversible polycrystalline diamond compact bit

US11821263B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Jianhui Xu · Dhahran, SA
Guodong Zhan · Spring, US
Timothy E. Moellendick · Dhahran, SA
Amjad Shaarawi · Al Khobar, SA
Abdulwahab S. Al-Johar · Dhahran, SA

Key dates

Filing date	Oct 16, 2020
Grant date	Nov 21, 2023
Priority date	—
Expiry date	Nov 3, 2041

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B2200/06
WIPO fieldCivil engineering
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.