To disconnect the pull-rod line from a pumping jack or pumping unit being operated from a central power (q.v.). On a lease with a number of stripper wells, the pumper knows each well and how long it should be pumped. As a result he may "hang a well off " after six hours of pumping, others after 12 hours or so. Strippers which make 10 barrels or less of oil a day rarely are pumped 24 hours a day.
