ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,619, issued on June 23, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Method of scavenging hydrogen sulfide from sour gas well using mineral oil nanoemulsions" was invented by Sagheer A. Onaizi (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of scavenging hydrogen sulfide from a sour gas well includes injecting a nanoemulsion through a borehole into a subterranean geological formation including a gaseous hydrocarbon composition including hydrogen sulfide. The nanoemulsion includes a mineral oil, water, a surfactant, and an additive. The water is a continuous phase of the nanoe...