ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,275, issued on Oct. 14, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Wireline retrievable annular pressure bleeder" was invented by Keshabananda Baruah (Abqaiq, Saudi Arabia), Sanjiv Kumar (Dhanbad, India) and Mansour M. Almaghlouth (Dammam, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a pocket portion disposed on production tubing, the pocket portion defining a volume therewithin, wherein the volume is in fluid communication with an interior of the production tubing. The pocket portion includes a valve arrangement that permits unidirectional fluid flow between a tubing-casing annulus and t...