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GPA STD 2166

Obtaining Natural Gas Samples for Analysis by Gas Chromatography

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Organization: GPA
Publication Date: 1 January 2017
Status: active
Page Count: 43
scope:

The purpose of this publication is to recommend procedures for obtaining samples from flowing natural gas streams that represent the composition of the vapor phase portion of the system being analyzed. These representative samples are subsequently transported to a laboratory and analyzed for composition and/or trace contaminants or analyzed onsite by portable or on-line chromatographs.

 The methods outlined in this publication are designed for sampling natural gas from systems that are at or above the Hydrocarbon Dew Point temperature. As the temperature of the flowing stream decreases or the pressure increases to impinge upon the Hydrocarbon Dew Point. It becomes increasingly difficult to obtain a respresentative sample of the flowing stream. This standard does not address accounting for the liquid hydrocarbon portion of two-phase systems.

The scope of this standard does not include composite gas sampling (samples taken in increments over relatively long time periods) systems. For information on composite sampling, the reader is referred to API 14.1 and ASTEM D5287.

Due to a lack of supporting research data, the scope of this standard does not include sampling from vacuum sources.

Document History

GPA STD 2166
January 1, 2017
Obtaining Natural Gas Samples for Analysis by Gas Chromatography
The purpose of this publication is to recommend procedures for obtaining samples from flowing natural gas streams that represent the composition of the vapor phase portion of the system being...
January 1, 2005
Obtaining Natural Gas Samples for Analysis by Gas Chromatography
The purpose of this publication is to recommend procedures for obtaining samples from flowing natural gas streams that represent the composition of the vapor phase portion of the system being...
January 1, 1986
Obtaining Natural Gas Samples for Analysis by Gas Chromatography
A description is not available for this item.
January 1, 1986
Obtaining Natural Gas Samples for Analysis by Gas Chromatography
A description is not available for this item.

References

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