ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,045, issued on Feb. 24, was assigned to Halliburton Energy Services Inc. (Houston).

"Subsea well intervention systems and methods" was invented by Adan H. Herrera (Carrollton, Texas), Darrin N. Towers (Carrollton, Texas) and Kenneth L. Schwendemann (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments relate to systems for providing well intervention for a subsea wellhead. For example, the system can comprise a tool insertion system and a subsea work chamber, with the tool insertion system operatively coupled to the subsea work chamber and to the wellhead. In embodiments, both the work chamber and the tool insertion...