ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,769, issued on Oct. 21, was assigned to NATIONAL OILWELL VARCO LP (Houston).
"Modular well cellar" was invented by Chad A. Fellabaum (Belle Vernon, Pa.), Justin M. Tyson (Spring, Texas), Darrius Jeurimo Dias (College Station, Texas), Kyle Sanborn (Dallas), Nicklas Baginski (Austin, Texas) and Matthew Fanaff (Cypress, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modular well cellar system can include a planar base member defining an aperture sized to receive a conductor pipe; a first end member secured to the base member and configured to support a first lateral wall of the well cellar excavation; a first side member secured to the base mem...