ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,571, issued on April 22.
"Flowline nipple / agitator tandem extraction system" was invented by Daniel Baker (Pinehurst, Texas) and Seth Johnson (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas extraction assembly includes an agitator gas trap and a nipple apparatus. The nipple apparatus is coupled to a flowline containing a mud mixture. The agitator gas trap is also in communication with the mud mixture. An inline detector is in the nipple apparatus and configured to help separate the mud mixture from a gas. A tube passes between the nipple apparatus and the agitator gas trap to transport the gas from the inline detector to a gas detecti...