"Well and Core Drill Operator" - Part 1
Job Description, Duties and Jobs

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Duties / Tasks	Activities	Skills	Abilities	Knowledge

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Basic Job Description:

Operate machine to drill wells and take samples or cores for analysis of strata.

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Job Duties and Tasks for: "Well and Core Drill Operator"

Starts and controls drilling action and lowering of well casing into well bore.

Withdraws drill rod from hole and extracts core sample.

Couples additional lengths of drill rod as bit advances.

Changes drill bits as needed.

Pours water into well or pumps water or slush into well to cool drill bit and remove drillings.

Retrieves lost equipment from bore holes, using retrieval tools and equipment.

Records drilling progress and geological data.

Fabricates well casings.

Lubricates machine, splices worn or broken cables, replaces parts, and builds up and repairs drill bits.

Drives or guides truck-mounted equipment into position, levels and stabilizes rig, and extends telescoping derrick.

Inspects core samples to determine nature of strata, or takes samples to laboratory for analysis.

Assembles non-truck-mounted drilling equipment, using hand tools and power tools.

Monitors operation of drilling equipment to determine changes in strata or variations in drilling.