US Patent Issued to SAUDI ARABIAN OIL on July 1 for "Untethered logging devices and related methods of logging a wellbore" (Saudi Arabia Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,154, issued on July 1, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Untethered logging devices and related methods of logging a wellbore" was invented by Mohamed Larbi Zeghlache (Al Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An untethered device includes a housing, a chamber wall extending from the housing and defining a buoyancy chamber, and a discharge door. The discharge door is configured to be placed in a closed position that isolates a ballast weight within the buoyancy chamber and an open position that allows a release of the ballast weight from the untethered device to reduce a bulk density of t...