ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,368, issued on March 24, was assigned to Hydril USA Distribution LLC (Houston).
"Stacked iris next generation annular packing unit" was invented by Paulo Soares (Houston), Joseph Incavo (Houston), Greg Myers (Houston), Elliot Yendell (Houston), Connor Cook (Houston) and Justin Fenske (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Blowout preventer (BOP) systems and methods for operating a BOP. The BOP systems include an apparatus configured to isolate wellbore fluids and a BOP housing radially surrounding the apparatus. The apparatus includes a packing unit and a piston located downhole of the packing unit. The packing unit includes an ela...