US Patent Issued to Halliburton Energy Services on Sept. 9 for "Tubing and control line hydrostatic-insensitive single control line safety valve" (Singaporean Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,681, issued on Sept. 9, was assigned to Halliburton Energy Services Inc. (Houston).

"Tubing and control line hydrostatic-insensitive single control line safety valve" was invented by Jalpan Piyush Dave (Singapore), Mohan Gunasekaran (Singapore), Michael Linley Fripp (Singapore) and Cheng Xiang Adrian Khor (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Safety valves and methods of using safety valves. The safety valve is provided to a wellbore having a hydrostatic pressure. The safety valve is configured to operate at tubing well pressure. Pressure is applied to the safety valve with a single control line. The safety valve uses an accumul...