National Association of Testing Authorities, Australia
Scope of Accreditation
Woodside Energy Ltd
Site
Gas Metering Station
Accreditation No.
2268
Site No.
2261
Date of Accreditation
02 Dec 1987
Address
Withnell Bay, Burrup Peninsula
Karratha, WA 6714
Australia
Contact
Availability
Type C Inspection Body
Scope of Accreditation
Withdrawn 15 Jul 2025
Voluntary
ISO/IEC 17020 (2012)
Infrastructure and Asset Integrity
| Service | Product | Determinant | Procedure | Limitations | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metering systems - Inspection | Metering systems | Audit; Spot audit; Verification | Determination of flow of mass and energy of natural gas including calibration of instrumentation for measurement of gas pressure, temperature, density and gas composition in accordance with ISO 6976, AGA Report 8 and Woodside Energy Ltd Gas Metering Station Manual as applied to gas delivered to the Dampier to Bunbury Natural Gas Pipeline and the Burrup Extension Pipeline | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Periodic assessment, verification and spot audit of metering systems including -- Metering records and log books; - Procedures; - Personnel; - Metering monitoring systems; - Meters, transmitters and associated computers; - Flow calculations; - Valve operation and integrity; - Gas chromatograph balancing and performance (repeatability, reproducibility and linearity); - Gas pressure, temperature, flow, density and composition measurement; - Sample probes; - Diagnostic and troubleshooting. Considering parameters of: Installation, pressure, temperature, flow, density, composition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ISO/IEC 17025 (2005)
Calibration
- The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
| Service | Product | Determinant | Technique | Procedure | Limitations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical metrology - Characterisation of gases | Gas blends | Concentration | Comparison measurement by instrumentation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Composition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ISO/IEC 17025 (2017)
Calibration
- The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
| Service | Product | Determinant | Technique | Procedure | Limitations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical metrology - Gas analysers | Gas analysers | Concentration | Comparison measurement against a certified reference material; Direct measurement by certified reference material | Gas composition in accordance with ISO 6974 – part 1, 2, 4 as applied to gas delivered to the Dampier to Bunbury Natural Gas Pipeline and the Burrup Extension Pipeline | Gas Chromatograph C1 0 to 100 mol-% C2 0 to 12 mol-% C3 0 to 5 mol-% nC4 0 to 1.5 mol-% iC4 0 to 1.5 mol-% nC5 0 to 0.2 mol-% iC5 0 to 0.2 mol-% C6 0 to 0.05 mol-% C7 0 to 0.05 mol-% C8 0 to 0.05 mol-% C9+ 0 to 0.05 mol-% CO2 0 to 5 mol-% N2 0 to 5 mol-% H2O / H2S analyser H2O 0 to 200 ppmv H2S 0 to 4 ppmv | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability with Calibration and Measurement Capability of - Gas composition of the Gas Chromatograph 0.031% H2O / H2S analyser Uncertainty values to be submitted | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Flow metrology - Flow measuring devices and systems | Oil and gas measurement systems | Flow rate; Mass and energy | Comparison with a reference meter; Gravimetric; Volumetric transfer | Determination of flow of mass and energy of natural gas including calibration of instrumentation for measurement of gas pressure, temperature, density and gas composition in accordance with ISO 6976, AGA Report 8 and Woodside Energy Ltd Gas Metering Station Manual as applied to gas delivered to the Dampier to Bunbury Natural Gas Pipeline and the Burrup Extension Pipeline | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.
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Accreditation No.
2268
Site No.
2261
Print date
16 Jul 2025