| Job Title |
Well-drill Operator |
| Job Description |
Sets Up And Operates Portable Drilling Rig (machine And
Related Equipment) To Drill Wells: Extends Stabilizing
Jackscrews To Support And Level Drill Rig. Moves Levers To
Control Power-driven Winch That Raises And Extends Telescoping
Derrick. Bolts Trusses To Derrick And Machine Frame. Assembles
Drilling Tools, Using Handtools Or Power Tools. Moves Levers And
Pedals To Raise And Lower Drill Tools And Well Casing Into Well
Bore. Moves Levers And Pedals And Turns Handwheels To Control
Action Of Machine That Drills Or Punches Well Bore And Lowers
Casing Into Well. Pours Water Into Well Or Pumps Water Or Slush
Into Well To Cool Drill Bit And Remove Drillings. Listens To
Sounds Of Drilling Machine And Feels Cable Or Brake To Determine
Changes In Rock Formations Being Penetrated Or Variations In
Drilling Process. Moves Levers To Adjust Stroke And Impact Of
Cable Tool Drilling Machine Or Changes Drill Bits Of Rotary
Drilling Machine According To Nature Of Strata Encountered.
Replaces Drill Bit With Tool To Collect Samples Of Earth Or Rock
Being Penetrated. Inspects Core Samples To Determine Nature Of
Strata Encountered Or Takes Samples To Laboratory For Analysis.
Records Drilling Progress And Geological Data. Splices Worn Or
Broken Cable. Fabricates Well Casings And Builds Up Worn Drill
Bits, Using Oxyacetylene Cutting And Welding Equipment.
Retrieves Lost Equipment From Bore Holes, Using Fishing
(specialized Retrieval) Tools And Equipment. May Repair Drill
Bits, Using Forging Furnace, Hammer, And Anvil. May Be
Designated According To Type Drilling Rig Operated As Well-drill
Operator, Cable Tool (construction); Well-drill Operator, Rotary
Drill (construction). May Operate Well-drilling Rig To Restore
Irrigation, Industrial, And Domestic Water Wells To Active
Production And Be Designated Well-reactivator Operator
(construction).
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