| Job Title |
Rotary Derrick Operator |
| Job Description |
Rigs Derrick Equipment And Operates Pumps To Circulate Mud
Through Drill Hole: Sets And Bolts Crown Block To Posts At Top
Of Derrick. Strings Cables Through Pulleys And Blocks. Clamps
Holding Fixture On End Of Hoisting Cable. Weighs Clay, And Mixes
Drilling Mud, Using Portable Power Mixer. Starts Pumps That
Circulate Mud Through Drill Pipe And Borehole To Cool Drill Bit
And Flush Out Drill-cuttings. Cleans And Oils Pulleys, Blocks,
And Cables. May Repair Pumps [pump Servicer (any Industry)].
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