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

woodside.com/what-we-do/operations/north-west-shelf

Contact

Mr Josh Foleti P: +61 (08) 91588637

Availability

Type C Inspection Body

Scope of Accreditation

Withdrawn 15 Jul 2025

Voluntary

Gas Metering Station

ISO/IEC 17020 (2012)

Infrastructure and Asset Integrity

Withdrawn
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
Withdrawn
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
Withdrawn
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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