ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,926, issued on Sept. 30, was assigned to Shale Oil Tools LLC (Rosenberg, Texas).
"Dissolvable convertible plug" was invented by Brian Kennedy (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "In wellbore completions it is sometimes desirable to block fluid flow from lower in the well towards an upper portion of the well. In a current embodiment of the invention a plug may be placed within a wellbore and, once set, the plug prevents fluid flow past the plug. The plug includes a throughbore into which an object may be placed. The object may be solid and incorporate a shear device such as a shear pin so that in the presence of pressure...