I.S. EN ISO 6570:2004
Current
The latest, up-to-date edition.
NATURAL GAS - DETERMINATION OF POTENTIAL HYDROCARBON LIQUID CONTENT - GRAVIMETRIC METHODS
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus requirements
4.1 Measurement installation
4.2 Check for correct installation operation
5 Sampling
5.1 General
5.2 Sampling conditions
5.3 Sample line
5.4 Direct sampling
5.5 Indirect sampling
6 Procedure
6.1 Determination of potential hydrocarbon liquid
content
6.2 Determination of water formation
7 Expression of results
7.1 Method A - Manual weighing method
7.2 Method B - Indirect automatic method
8 Uncertainty of measurement
8.1 Achievable uncertainty
8.2 Gas leakage
8.3 Bath liquid
8.4 Wet gas
8.5 Condensate leakage
8.6 Variations in bath temperature and pressure in
the gas/liquid cyclone separator
8.7 Premature condensation
9 Test report
Annex A (informative) Selection of measurement temperature
and pressure
Annex B (informative) Examples of the line-up of the
apparatus
Annex C (informative) Example of calibration of the
differential pressure gauge for the indirect
automatic method - Method B
Annex D (informative) Example of an indirect automatic
measurement - Method B
Annex ZA (normative) Normative references to international
publications with their relevant European
publications
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