Well, for the last three years, I've been working 7 on & 7 off, 13-hour shifts. Providing real-time mechanical, hydraulic, electrical & PLC & VFD (ABB, Seimens, Yaskawa, Converteam, etc.) support to drilling rigs in 30-40 different countries. Great work if you can get it. I truly love it. Gonna work here until they march me out the door.