ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,483, issued on May 20, was assigned to Vertice Oil Tools Inc. (Missouri City, Texas).

"Methods and systems for FRAC plugs and downhole tools" was invented by Mohamed Saraya (Sugar Land, Texas), Mike Lo (Houston) and Stephen Parks (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool with a flapper positioned within a mandrel. More specifically, embodiments are directed toward flappers with different mechanisms to open and close the flapper."

The patent was filed on Dec. 18, 2023, under Application No. 18/543,890.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser...