ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,427, issued on July 28, was assigned to Cameron International Corp. (Houston).

"Systems and methods for scavenging sulfur-containing materials using a precursor scavenger material" was invented by Paul Barnes (Aberdeen, Great Britain), Alyn Jenkins (Aberdeen, Great Britain), Tore Nordvik (Stavanger, Norway), Rolando Perez Pineiro (Nisku, Canada) and Jody Hoshowski (Nisku, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for applying a scavenger material to a wellbore includes providing a precursor scavenger material to a location within a wellbore extending through an earth formation, the precursor scavenger material comprising an acet...