ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,521, issued on Feb. 3, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Electrical drilling and production systems and methods" was invented by Vikas Rakhunde (Cypress, Texas), Nathan Cooper (Cypress, Texas), Justin Blair (Houston) and Matthew Givens (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blowout preventer stack includes an energy storage device and a remote operating vehicle (ROV) charging port coupled to the energy storage device. The ROV charging port is configured to receive port from an ROV to charge the energy storage device for the blowout preventer stack."

The patent was filed on Feb. 7, 2024, under Appl...