US Patent Issued on July 1 for "Multiple stage cementing tool and method of use" (Oklahoma, Texas Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,124, issued on July 1.

"Multiple stage cementing tool and method of use" was invented by Henry E. Rogers (Owasso, Okla.) and Julio Alberto Cornejo (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cementing tool for use in well drilling operations includes a body forming an inner bore, the body having circulation ports allowing flow from the inner bore to an exterior of the body; an opening sleeve mounted within the body to release from a first opening sleeve position to open the circulation ports when in a second position; an opening seat attached to the opening sleeve; an opening seat collet retainer engaged with the opening seat;...