US Patent Issued to Baker Hughes Oilfield Operations on May 27 for "Fluid energized metal-to-metal seal with retrieval capabilities" (Texas Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,895, issued on May 27, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Fluid energized metal-to-metal seal with retrieval capabilities" was invented by Ryan Parsley (Houston) and Keith Adams (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An annular hanger seal for sealing a tubing or casing hanger comprising a flow passage, at least one seal chamber, and a metal surface. Pressure can enter the hanger seal through the flow passage causing the at least one seal chamber to expand. Expansion of the at least one seal chamber can cause sealing contact between the metal surface around the at least one seal chamber and the hous...