US Patent Issued to SAUDI ARABIAN OIL on June 16 for "Refreshable polycrystalline diamond compact (PDC) drill bits" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,694, issued on June 16, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Refreshable polycrystalline diamond compact (PDC) drill bits" was invented by Guodong Zhan (Dhahran, Saudi Arabia), Jianhui Xu (Dhahran, Saudi Arabia) and Abdulwahab S. Al-Johar (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cutter system for a polycrystalline diamond compact (PDC) drill bit including a body, a static blade attached to the body, and a rotatable blade attached to the body. The cutter system further includes at least one PDC cutting structure attached to the rotatable blade. The rotatable blade is configured to be rotat...