ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,976, issued on July 29, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Method and downhole device for perforating and isolating tightly spaced zones in highly-deviated wellbores" was invented by Ghulam Murtaza Kalwar (Udhailiyah, Saudi Arabia) and Mohammed A. Asiri (Udhailiyah, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore stimulation operation method includes conveying a downhole assembly into a wellbore a first time, the downhole assembly including a perforating gun and one or more friction-reducing subs operatively coupled to the perforating gun, axially aligning the perforating gun with a production ...