ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,607, issued on Aug. 26, was assigned to Halliburton Energy Services Inc. (Houston).

"Swivel sub with intermediate lug for extended rotation" was invented by Nick Strohla (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus may include a connector sub rigidly securable to a conveyance for running the connector sub along a wellbore. The connector sub has a connector lug. Further, the apparatus may include a spool mandrel having a mandrel lug that is rotatable with respect to the connector sub. Additionally, the apparatus may include an intermediate sub disposed between the connector sub and the spool mandrel. The intermediate...