US Patent Issued to Saudi Arabian Oil on July 1 for "Wellbore lift system with spring-assisted plunger" (Saudi Arabia Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,251, issued on July 1, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Wellbore lift system with spring-assisted plunger" was invented by Syed Muhammad Bin Syed Taha (Dhahran, Saudi Arabia) and Amr Mohamed Zahran (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore lift system with spring-assisted plunger includes an elongate body, multiple propellers and a spring-loaded flow control assembly. The body can traverse through a wellbore. The wellbore can produce the hydrocarbons to the surface. The body defines an interior volume within which the multiple propellers are disposed. The propellers can spin radial...