US Patent Issued to SAUDI ARABIAN OIL on March 25 for "Sub-surface safety valve with energy harvesting system and wireless activation" (Saudi Arabia, Indian Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,840, issued on March 25, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Sub-surface safety valve with energy harvesting system and wireless activation" was invented by Abdullah K. Al-Ghannam (Al-Ahsa, Saudi Arabia) and Sanjiv Kumar (Dhanbad, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A subsurface safety valve includes an outer housing, a flapper valve disposed within the outer housing, and a motor that pivotally displaces the flapper valve. The subsurface safety valve also includes a battery that powers the motor, a turbine that charges the battery and a wireless receiver that, responsive to a received signal, transmi...