ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,355, issued on Aug. 12, was assigned to Halliburton Energy Services Inc. (Houston).

"Deep set wireline retrievable safety valve" was invented by Merced Gonzalez (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments relate to hydraulic safety valves for a well, which may be configured to close in the event of a loss of pressure for example. In embodiments, the safety valve may comprise a wireline retrievable safety valve (WRSV) configured for use within a tubing retrievable safety valve (TRSV) in a wellbore, for example to provide safety valve functionality in the event that the TRSV no longer functions properly. The WRSV ma...