RIINHB326 — Conduct coil tube drilling

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What an assessment for RIINHB326 must cover

110 assessable components: 10 elements (71 performance criteria), 22 performance evidence and 15 knowledge evidence requirements, plus 2 foundation skills. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Plan and prepare for coiled tubing

1.1Obtain, confirm and apply work instructions
1.2Access, interpret and apply coil tube drilling documentation and confirm work activity is compliant
1.3Identify and minimise environmental issues and potential hazards, and assess and address risks within scope of own role and according to workplace procedures
1.4Select and wear personal protective equipment required for work activities
1.5Communicate with other personnel at site according to work requirements and confirm briefings and handover details are communicated and received
1.5Select equipment, tools and equipment required to carry out tasks, check for serviceability and rectify or report any faults within scope of own role
1.6Check restraining devices on all pressure hoses
1.7Fit and replace restraining devices on pressure hoses as required
1.8Raise alarm and report as required

2 Install storage reel

2.1Position the crane hook to the centre of the storage reel
2.2Hoist the storage reel over the centre of the carrier and lower into saddles
2.3Lock down the storage reel with retainer brackets and set tension screws
2.4Install circulating equipment

3 Remove storage reel

3.1Remove mud tank side hoses, swivel and cross over
3.2Line up saddles and cut excess coil tubing on rig floor with casing cutter
3.3Align saddles to remove storage reel
3.4Install dog nut and chain coil
3.5Cut coil tubing according to manufacturer and work requirements
3.6Open level wind box, shut off the motor and lockout rig and open storage reel saddles
3.7Remove the lockout and prepare to pick up the coil
3.8Measure amount of coil cut and record remaining length

4 Install tubing snake connector

4.1Prepare coil tubing ends
4.2Conduct NDT crack test on the tubing stake connector
4.3Check the o-rings for die retention are not stretched out
4.4Separate the two-piece tubing snake connector in the middle at the threads
4.5Size, install and tighten threaded half of tubing snake connector into the tail end of the coil tubing on the storage reel
4.6Size, install and tighten threaded half of tubing snake connector into tail end of coil tubing on the injector side
4.7Align tubing connector up and screw two tubing stake connector pieces together at centre treads
4.8Perform and pull test on the tubing snake and confirm that the connector is locked in prior to removing chains

5 Handle tubing snake connector

5.1Inspect derrick and rig floor for equipment
5.2Raise derrick until injector coil tubing end and storage reel coil tubing line up
5.3Check the integrity of the tubing stake connection by performing a pull test
5.4Lock out floor motor according to manufacturer requirements
5.5Remove storage reel retention chain and dog nut
5.6Remove lock from the floor motor
5.7Engage storage reel while maintaining the correct pressure
5.8Run coil with tubing stake connector through injector making cuts until the tubing snake connector is completely through the injector

6 Install set screw tubing dimple

6.1Prepare coil tubing ends with a grinder
6.2Install the dimple template
6.3Tighten all set screws on the dimple template
6.4Loosen screws and remove template
6.5Deepen the template indents with a drill to dimple screw depth
6.6Install the tubing dimple and dimple set screws according to manufacturer requirements

7 Conduct bottom hole assembly operations

7.1Prepare subs for use
7.2Place float on bit and install bit sub onto bit
7.3Run drill collar up v-door and pick up with top drive and elevators
7.4Stab drill collar in bit sub and make up drill collar into bit sub
7.5Pick up sub and position where needed for stabbing into stump
7.6Stab the tubing dimple into the bottom hole assembly on the stump
7.7Apply make up tong to dimple while rotating table to make up BHA
7.8Apply breakout tong to dimple and make up to BHA while torqueing up BHA

8 Tripping in with coil tubing

8.1Set bottom hole assembly depths at rotary Kelly bushing before lowering the lube tube
8.2Confirm lube tube is down and air bag inflated on flow T
8.3Confirm stripping head is deflated
8.4Confirm the reel drag is set to no higher than 1000 psi
8.5Set the traction pressure on the injector as low as possible without coil tubing slippage
8.6Verify the trip speed with the Rig Manager
8.7Verify level wind is continuously in line with coil tubing, depths are tracking correctly and conduct flow checks at the shaker box

9 Tripping out with coil tubing

9.1Grease and inspect injector as per industry standards
9.2Check the air bag on flow T is still inflated
9.3Verify stripper rubber on the injector is inflated to the correct pressure, level wind is continuously in line with coil tubing and all depths are tracking at all times
9.4Verify the trip speed with the Rig Manger
9.5Lift the lube tube when bottom hole assembly reaches 75 metres prior to pulling out of hole
9.6Conduct flow checks at specified intervals

10 Slip and cut coil tubing-grinder/rod cutter

10.1Place tubing dimple at the desired working height
10.2Place the hole cover in position
10.3Remove tubing dimple
10.4Run coil tubing through table to correct working height in cellar
10.5Cut coil tubing with grinder/rod cutter
10.6Remove with double wrapping sling and wire line
10.7Lay down through v door

Performance evidence

conduct coiled tube drilling on at least two occasions, including:
using the following equipment:
coil tubing (diameter 1,200 – 2,200 metres)
storage reel
mud motor
dop drive
injector
level wind
in-coder
storage reel
spool coil
tubing snake connector
tubing dimple
saddles
lube tube
interpreting information from the weight indicator
measuring line string components and calculates hole depth
disassembling, describing the function of and inspecting components, replacing unserviceable parts and reassembling a bottom hole assembly.
locate and apply required documentation, policies and procedures
work with others to conduct coil tube drilling that meets required outcomes, including:
using a range of communication techniques and strategies to communicate and coordinate information and activity to others
communicating the hazards of cuttings in the return air stream to all crew members.

Knowledge evidence

key policies, procedures and established requirements for conducting coil tube drilling, including those for:
emergencies
work health and safety
environmental requirements
safe equipment operation
identifying faults with, performing maintenance on and cleaning equipment
monitoring hole for returns, cutting and sample quality
limiting the contamination of samples, cuttings and returns
identifying problems related to inaccurate measurement of bits and other related components
housekeeping
the critical need to hoist storage reel over the centre of the carrier correctly
bit selection methods for different types of drilling and different ground conditions
the role that blockages play in affecting sample quality
the critical need for restraining devices to be fitted to all pressure delivery hoses and sample delivery hoses (if used), the devices available and their methods of attachment
the importance of checking gauges and monitoring pressures, flow rates and temperatures.

Foundation skills

Reading: Identifies and interprets information from workplace and documentation
Oral Communication: Uses verbal communication techniques to communicate with others

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing RIINHB326

What does an assessment tool for RIINHB326 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for RIINHB326 needs to address all 110 unit components: 10 elements with 71 performance criteria, 22 performance evidence requirements, 15 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for RIINHB326?

Auditori pulls the current release of RIINHB326 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for RIINHB326 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing RIINHB326 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of RIINHB326, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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