ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,692, issued on June 24, was assigned to Halliburton Energy Services Inc. (Houston).
"Swivel sub with biasing member" 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 and a spool mandrel coupled to a downhole end of the connector sub. The spool mandrel is rotatable with respect to the connector sub. Further, the apparatus may include a control line extending between the connector sub and the spool mandrel. The control line is displaceable to permit rotation of the spool mandrel with re...