ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,007, issued on Feb. 18, was assigned to Mako Rentals Inc. (Schriever, La.).
"Rotating and reciprocating swivel apparatus and method" was invented by Kip M. Robichaux (Houma, La.), Kenneth G. Caillouet (Thibodaux, La.) and Terry P. Robichaux (Houma, La.).
According to the abstract* released by the U.S. Patent & Trademark Office: "What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string is being rotated and/or reciprocated. In one embodiment the sleeve or housing...