US Patent Issued to Greenwell Engineering on March 25 for "Methods and systems for a tool to form a fluid seal for wireline directly below a packoff" (Texas Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,836, issued on March 25, was assigned to Greenwell Engineering LLC (Weatherford, Texas).

"Methods and systems for a tool to form a fluid seal for wireline directly below a packoff" was invented by Gary Shearer (Flint, Texas) and Chris Reed (Canton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tool that allows viscous fluid to be injected into a flow tube to form a fluid seal around the wireline, and allow the fluid to be removed from the tool below a packoff in order to isolate well pressure from packoff rubbers."

The patent was filed on Feb. 5, 2024, under Application No. 18/432,183.

*For further information, including images, charts a...