8113-18 β Driller, bore hole/water
8113-15 β Driller, developmental
8113-16 β Driller, directional
8113-17 β Driller, oil or gas well
8113-21 β Driller, water well
8113-22 β Offsider, well treatment/ oil and gas wells
8113-23 β Operator, boring equipment: wells
8113-24 β Operator, derrick
8113-25 β Operator, drilling equipment: wells
8113-26 β Operator, drilling plant
8113-27 β Operator, drilling rig
8113-28 β Operator, earth-boring machinery: construction
8113-31 β Operator, power-tong/ oil and gas well
8113-32 β Operator, pulling equipment: oil and gas wells
8113-33 β Operator, service rig/oil and gas well
8113-34 β Rotary Driller (Oil and Gas Well)
8113-35 β Sampler, core
8113-36 β Sinker, bore hole