9532 version 4
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Prepare for workovers at a petrochemical wellhead
Level
5
Credits
12
Purpose
This unit standard applies to operational activities carried out on producing
wellheads.
People credited with this unit standard are able to: prepare a petrochemical
well site for wellhead maintenance; kill the well; and remove items and
components for rig access at a petrochemical wellhead.
Subfield
Petrochemical Industry
Domain
Petrochemical Well and Wellhead Operations
Status
Registered
Status date
20 February 2009
Date version published
20 February 2009
Planned review date
31 December 2013
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
NZ Motor Industry Training Organisation (Incorporated)
(MITO)
Accreditation and Moderation Action Plan (AMAP) reference
0114
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Performance of the elements of this unit standard must comply with relevant site
requirements, instructions of the assigned company engineer, and the following
legislation:
Health and Safety in Employment Act 1992;
Resource Management Act 1991.
 New Zealand Qualifications Authority 2016
9532 version 4
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2
This unit standard is intended for, but is not limited to, workplace assessment. While
all performance criteria must be met it is noted that all range statements within this
unit standard are indicative and dependent on enterprise and site specific equipment,
procedures, and practices. Any queries can be directed to the NZ Motor Industry
Training Organisation (Incorporated) (MITO).
3
Definition
Site requirements mean the site specific documented methods for performing work
activities and include health, safety, environmental, and quality management
requirements. They may refer to manuals, codes of practice, or policy statements.
Elements and performance criteria
Element 1
Prepare a petrochemical well site for wellhead maintenance.
Performance criteria
1.1
Authorisation procedures and instructions of the assigned company engineer
are identified.
Range
instructions, drawings, specifications, authorisations, safety,
excavation, permits, site handovers, isolation certificates.
1.2
Health and safety requirements for the removal of items are described in
accordance with site requirements.
1.3
Resources are selected prior to commencement of maintenance activity.
Range
1.4
tools, equipment, auxiliary services, materials, specialised tools
and equipment, personnel.
Ancillary services to facilitate the removal of items and components are agreed
upon with the assigned company engineer and consequent requirements are
coordinated with relevant service people in accordance with site requirements.
Range
lifting equipment, access equipment, support services, digging
equipment.
1.5
Tools and equipment for removal of items and components are used safely in
accordance with site requirements.
1.6
Checks carried out to ensure that tools, materials, and equipment fit the
specified purpose are described in accordance with site requirements.
 New Zealand Qualifications Authority 2016
9532 version 4
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Element 2
Kill the well.
Performance criteria
2.1
Isolations to complete the activity are carried out and checked to ensure
compliance with safety and site requirements.
Range
equipment, auxiliary services, process, safety.
2.2
Well kill procedures are followed in accordance with site requirements.
2.3
Rig mast anchors are installed in accordance with site requirements and
manufacturer’s recommendations.
Element 3
Remove items and components for rig access at a petrochemical wellhead.
Performance criteria
3.1
Items and components are disconnected while minimising downtime and
disruption to production schedules and complying with instructions of the
assigned company engineer.
3.2
Items are removed according to site standards whilst minimising downtime and
disruption to production schedules.
3.3
Removed items and components are identified, cleaned, transferred, and stored
in a safe, secure manner according to site requirements.
3.4
Procedures for the housekeeping of the work area are identified and explained
in accordance with site requirements.
3.5
Communication is maintained with appropriate personnel during dismantling
and/or removal operations in accordance with site requirements.
Range
3.6
The release of substances during maintenance activity is minimised in
accordance with site and legislative requirements.
Range
3.7
process personnel, maintenance personnel, services personnel,
maintenance supervision.
site perimeter drains, skimmer pits.
Health and safety requirements and site requirements are complied with during
the dismantling procedures.
 New Zealand Qualifications Authority 2016
9532 version 4
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3.8
Wellhead workover documentation is completed in accordance with site
requirements.
Range
work orders, permits, job cards, stores manifests, drawings.
Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016