US Patent Issued to Shale Oil Tools on June 16 for "Gas lift barrier" (Texas Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,729, issued on June 16, was assigned to Shale Oil Tools LLC (Rosenberg, Texas).

"Gas lift barrier" was invented by Brian Kennedy (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A removable barrier is provided that prevents flow between an exterior of a mandrel and an interior of a mandrel. In one embodiment a dissolvable shroud surrounds the ports of the gas lift valve and temporarily prevents flow between the exterior of the gas lift valve and the interior of the mandrel. In an additional embodiment, a dissolvable plug may be placed within a portion of the gas lift valve or a portion of the lug in the mandrel to temporarily preven...