US Patent Issued to Schlumberger Technology on March 24 for "Injection pressure operated gas lift valve and methods of use" (Singaporean, American Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,389, issued on March 24, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Injection pressure operated gas lift valve and methods of use" was invented by Ganesh Balasubramanian (Houston), Ananthakumar P. Ramachandran (Singapore), Junhong Song (Singapore), Jingyi Xie (Singapore), Yoon Kion John Lee (Singapore) and Benoit Deville (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An IPO gas lift valve. The IPO gas lift valve may include a dome assembly, a bellows system coupled to the dome assembly, a valve assembly, and a check valve assembly coupled to the valve assembly. The bellows system may include a liquid-filled scaled ...