US Patent Issued to Halliburton Energy Services on Sept. 2 for "Autonomous injection flow control valve" (Singaporean Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,745, issued on Sept. 2, was assigned to Halliburton Energy Services Inc. (Houston).

"Autonomous injection flow control valve" was invented by Michael Linley Fripp (Singapore), Fraser Murray (Singapore) and Mohan Gunasekaran (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a flow control valve, a well system, and a method. The flow control valve, in one aspect, includes a tubular configured to be positioned downhole in a wellbore, the tubular having a central longitudinal axis, and a piston located in the tubular, the piston configured to separate injection fluid located within the tubular from a working fluid located in a sealed...