ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,274, issued on Oct. 14, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Well production management in sour environment at a surface equipment zone" was invented by Nestor Jesus Molero Garcia (Dammam, Saudi Arabia), Pierre Ramondenc (Puteaux, France), Iyad Hamed Naji (Ahmadi, Kuwait) and Scott Alexander Douglas Bulloch (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sour production fluid mitigation system may be at an entry point below an injection sub for a coiled tubing system, pumping an inhibited fluid through pressure control equipment for the coiled tubing system to an exit point. A sour production fluid mi...