Money · 1 of 5

What the wage survey shows

Median

$58,160

Bottom tenth

$38,940

Top tenth

$97,560

These figures are for service unit operators in oil and gas, one of several rig jobs the survey counts separately: the median is $58,160 a year and the bottom tenth earn $38,940 or less. Derrick operators have a median of $58,620 a year and rotary drill operators $67,890. A slow year can mean no work at all.