workover

work +‎ over

workover (plural workovers)

1. Any kind of oil well intervention involving invasive techniques, such as wireline or snubbing.
   • 2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 44:

     Shell launched a massive "work over" campaign during my second year in Brunei. A work over is basically an existing production well that needs a service.

• overwork