ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,138, issued on Jan. 13, was assigned to Halliburton Energy Services Inc. (Houston).
"Autonomous start of pump-down operation" was invented by Yuan Qi (Houston), Sudhir Gupta (Houston), Ritesh Dharmendra Panchal (Houston) and Neil Alan Ostermann (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods for automating a start of a pump-down operations that adjusts a pump rate and a winch speed. The methods include lowering a tool string into a wellbore via a wireline controlled by a winch unit and a pump unit, measuring at least one measurement parameter, calculating a range of wireline tension references for the...