NEN EN ISO 6570 : 2004
Current
The latest, up-to-date edition.
NATURAL GAS - DETERMINATION OF POTENTIAL HYDROCARBON LIQUID CONTENT - GRAVIMETRIC METHODS
12-01-2013
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
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.
DevelopmentNote |
Supersedes NEN ISO 6570. (08/2009)
|
DocumentType |
Standard
|
PublisherName |
Netherlands Standards
|
Status |
Current
|
Supersedes |
Standards | Relationship |
UNE-EN ISO 6570:2005 | Identical |
EN ISO 6570:2004 | Identical |
UNI EN ISO 6570 : 2006 | Identical |
BS EN ISO 6570:2004 | Identical |
DIN EN ISO 6570:2004-12 | Identical |
ISO 6570:2001 | Identical |
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