Attach cables from a crane or derrick and direct crane operators with hand signals or radios * Position steel units, align holes and insert temporary bolts * Check the alignments and join steel parts ...
Rig derrick equipment and operate pumps to circulate mud or fluid through drill hole.
Projected employment change, 2020-30:
Education and training:
Get the education you need: Find schools near you!
*Some content used by permission of the Bureau of Labor Statistics, U.S. Department of Labor.