Unit of competency Outline

Date retreived
22/07/2026 3:30 PM AWST

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Conduct well servicing milling operations

Conduct well servicing milling operations

Unit of competency
National Code
RIIWSV402D
State Code
WH781
TGA Status
Current
DTWD Status
Approved
Current Release Number
3.00
Current Release Date
07/12/2014
View on TGA
State Implementation and Classification
Approved Date
30/05/2014
Field of Education
030717 - Plant And Machine Operations
Original Release Date
30/05/2014
Nominal Hours
30
Description
This unit describes a participant’s skills and knowledge required to conduct well servicing milling operations in Drilling.This unit is appropriate for those working in supervisory or technical specialists roles.Licensing, legislative, regulatory and certification requirements that may apply to this unit can vary between states, territories, and industry sectors. Relevant information must be sourced prior to application of the unit.
Notes
Elements and Performance Criteria
1 Plan and prepare for milling operations
  • 1.1 Access, interpret and apply compliance documentation and legislation and ensure the work activity is compliant
  • 1.2 Obtain, confirm and apply work instructions for the allocated task
  • 1.3 Identify, manage and report all potential hazards
  • 1.4 Communicate emergency response and occupational health and safety requirements, including the possibility of wellbore influx and well control, to crew members
  • 1.5 Resolve and maintain coordination requirements with others at the site prior to commencing and during work activities
  • 1.6 Check, clean and lubricate equipment, including -top drive and swivel connections and rectify and report faults
  • 1.7 Check Bottom Hole Assembly (BHA) requirements and assembly
2 Commence milling operations
  • 2.1 Check drilling program requirements to ensure safe operations
  • 2.2 Undertake milling operations in accordance with the well program
  • 2.3 Monitor, maintain and record milling parameters in line with program
  • 2.4 Calculate and maintain hole volume and conditions requirements and carry out and record integrity tests in line with milling program
  • 2.5 Maintain accurate tubular tallies
  • 2.6 Inspect and prepare tubing running tools and tubulars for operation
3 Maintain milling operations
  • 3.1 Undertake preparations, and give assistance in drill stem tests and logging operations
  • 3.2 Put arrangements in place for nippling-up and milling out
4 Prepare hole for next stage of program
  • 4.1 Confirm program for next stage with operator representative
  • 4.2 Check tools/equipment for integrity and record and report faults
  • 4.3 Complete appropriate communication and written recording requirements
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