ISO 6570:2001
(Main)Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods
Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods
This International Standard describes the principles of, and general requirements for, two gravimetric methods for the determination of the potential hydrocarbon liquid content of natural gas, or similar gas, at a given pressure and temperature. Two methods are specified in this International Standard to determine the amount of condensate in a sample gas: _ Method A: a manual weighing method; _ Method B: an indirect automatic weighing method based on the indication of the pressure difference caused by the accumulation of condensate in a vertical tube. The manual weighing method is a reference method for the indirect automatic method (Method B). The indirect automatic method (Method B) is suitable for semi-continuous control. NOTE Unless otherwise specified, gas volumes are in cubic metres at 273,15 K and 101,325 kPa.
Gaz naturel — Détermination de la teneur en hydrocarbures liquides potentiels — Méthodes gravimétriques
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 6570
First edition
2001-06-15
Natural gas — Determination of potential
hydrocarbon liquid content — Gravimetric
methods
Gaz naturel — Détermination de la teneur en hydrocarbures liquides
potentiels — Méthodes gravimétriques
Reference number
ISO 6570:2001(E)
©
ISO 2001
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ISO 6570:2001(E)
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ISO 6570:2001(E)
Contents Page
Foreword.iv
Introduction.v
1 Scope .1
2 Normative references .1
3 Principle.2
4 Apparatus requirements .2
4.1 Measurement installation.2
4.2 Check for correct installation operation .5
5 Sampling.10
5.1 General.10
5.2 Sampling conditions .10
5.3 Sample line.10
5.4 Direct sampling.10
5.5 Indirect sampling .10
6 Procedure .11
6.1 Determination of potential hydrocarbon liquid content.11
6.2 Determination of water formation .12
7 Expression of results .12
7.1 Method A — Manual weighing method.12
7.2 Method B — Indirect automatic method.
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