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Elements and Performance Criteria

1. Plan and prepare derrick operations
   • Obtain, confirm and apply work instructions
   • Access, interpret and apply compliance documentation and confirm work activity is compliant
   • Clarify difficulties in carrying out instructions with the relevant personnel
   • Identify and minimise environmental issues and potential hazards, and assess and address risks within scope of own role and according to workplace procedures
   • Confirm personnel coordination requirements at the site are met prior to commencement of work activities
   • Confirm availability and status of necessary permits to work
   • Confirm availability of necessary third party utilities according to operational requirements
   • Confirm availability of required quantities and type of consumables against operational requirements
   • Select and use wear personal protective equipment and wear protective clothing required for work activities
   • Identify errors, omissions and shortages and take required remedial action within functional responsibility
   • Inform driller of status of derrick operating equipment
2. Handle tubulars and equipment
   • Position tubulars and equipment according to operational requirements
   • Assist in making and breaking connections where required
   • Identify faults and defects and take required remedial action within functional responsibility
   • Handle equipment using safe lifting and handling techniques
3. Prepare hole for circulation with air/fluid
   • Complete pre-raise and pre-circulation checks and establish required circulation
   • Perform pre-spud safety checks
   • Check all connections and valves to manifold and well head are in proper position as required
   • Maintain drilling fluid volume and properties according to work requirements
   • Inform driller of current operating conditions
   • Maintain written inventory of circulation system and parts as required
   • Check and record mud and fluid additives as required
   • Follow all operator instructions
4. Participate in head-up and pressure test
   • Prepare for necessary equipment changes
   • Prepare drilling fluid according to work requirements
   • Assist driller in blow out prevention testing
5. Clean out well bore/drill plugs
   • Consult driller and follow instructions
   • Maintain housekeeping and safe practices during drilling according to workplace procedures and safety requirements
   • Assist in completion or abandonment of well
6. Prepare to commence drilling/circulating operations
   • Align equipment on active systems for drilling/circulating
   • Turn on and check all required machinery
   • Watch for return sand report changes
   • Measure and log pit, tank and fluid levels regularly as required
7. Assist driller on drill floor
   • Assist in handling and nippling-up of blow out prevention stack
   • Carry out role of assistant to driller when on drill floor
8. Shutdown rig and rig out
   • Wash and drain circulation system
   • Repair equipment according to manufacturer specifications and work requirements
   • Store equipment according to safety requirements and workplace procedures

Performance Evidence

The candidate must demonstrate the ability to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including evidence of the ability to:

conduct and maintain well servicing derrick operations on at least two occasions, including:

loading rod racks, strap and number tubulars

cleaning out well bore/drill plugs

converting metric and imperial measurements

applying numeracy skills to calculate:

fractions, decimals, percentages

volume

quantities

weight

length

density/specific gravity

temperature

ph (power of hydrogen)

basic geometry

performing shutdown and rig out procedures.

During the above, the candidate must:

locate and apply required documentation, policies and procedures

work with others to conduct and maintain well servicing derrick operations that meet required outcomes, including:

complying with written and verbal reporting requirements and procedures

communicating with others to receive and clarify work instructions

communicating with others to meet coordination requirements throughout work activities

maintain housekeeping processes during drilling.

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Knowledge Evidence

The candidate must be able to demonstrate knowledge to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including knowledge of:

key legislation required for conducting and maintaining well servicing derrick operations

key policies, procedures and requirements for conducting and maintaining well servicing derrick operations, including those for:

equipment malfunction or failure

supervising and training others to provided standards

environmental and safety issues

routine maintenance of derrick

preparing for drilling operations

preparing for the tripping of tubulars

cleaning circulation system and operating well

equipment and rig maintenance

waste disposal

converting between metric and imperial

milling operations

housekeeping

assistance required by driller in handling and nippling-up of blow out prevention stack

types and functions of blow out prevention equipment

basic geometry relevant to conducting and maintaining well servicing derrick operations including interpreting depth, direction and azimuth and dip of hole

well servicing team roles, objectives and management structure.

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