1220.0 - Australian Standard Classification of Occupations (ASCO) Second Edition, 1997  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 31/07/1997   
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      Driller's Assistant
      Driller's Offsider
      Roustabout (Oil and Gas)

Performs routine tasks in setting up and operating a drilling site for oil, gas, mineral ore or water, usually working under close supervision.

Skill Level:
The entry requirement for this occupation is completion of compulsory secondary education or higher qualification.

Tasks Include:
  • transports materials and equipment to drilling site in a heavy vehicle
  • assists in setting up, moving and dismantling drill rigs and equipment
  • digs and cleans mud pits and drains
  • assists in obtaining drilling core samples
  • mixes and tests drilling fluids, chemicals and grout
  • assists in slotting, welding, inserting casing screens
  • assists with well development and pumping tests
  • operates pumps and air compressors
  • carries out basic maintenance and repairs on equipment and machinery
  • cleans and maintains equipment, drill and camp sites


Derrick Hand


Well Treatment Offsider

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