Job Description:

• 1) Rigs derrick equipment and operates pumps to circulate mud through drill hole: Sets and bolts crown block to posts at top of derrick.

• 2) Strings cables through pulleys and blocks.

• 3) Clamps holding fixture on end of hoisting cable.

• 4) Weighs clay, and mixes drilling mud, using portable power mixer.

• 5) Starts pumps that circulate mud through drill pipe and borehole to cool drill bit and flush out drill-cuttings.

• 6) Cleans and oils pulleys, blocks, and cables.

• 7) May repair pumps.