What does a Rotary Drill Operator, Oil and Ga do?

Set up or operate a variety of drills to remove underground oil and gas, or remove core samples for testing during oil and gas exploration.

Jobs Roles

  • Train crews, and introduce procedures to make drill work more safe and effective.
  • Observe pressure gauge and move throttles and levers to control the speed of rotary tables, and to regulate pressure of tools at bottoms of boreholes.
  • Count sections of drill rod to determine depths of boreholes.
  • Push levers and brake pedals to control gasoline, diesel, electric, or steam draw works that lower and raise drill pipes and casings in and out of wells.
  • Connect sections of drill pipe, using hand tools and powered wrenches and tongs.
  • Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.
  • Maintain and adjust machinery to ensure proper performance.
  • Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.
  • Locate and recover lost or broken bits, casings, and drill pipes from wells, using special tools.
  • Weigh clay, and mix with water and chemicals to make drilling mud.
  • Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.
  • Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.
  • Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.
  • Clean and oil pulleys, blocks, and cables.
  • Bolt together pump and engine parts, and connect tanks and flow lines.
  • Remove core samples during drilling to determine the nature of the strata being drilled.
  • Cap wells with packers, or turn valves, to regulate outflow of oil from wells.
  • Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.
  • Position and prepare truck-mounted derricks at drilling areas specified on field maps.
  • Plug observation wells, and restore sites.
  • Lower and explode charges in boreholes to start flow of oil from wells.
  • Dig holes, set forms, and mix and pour concrete, for foundations of steel or wooden derricks.
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