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NEN EN ISO 6570 : 2004

Current

Current

The latest, up-to-date edition.

NATURAL GAS - DETERMINATION OF POTENTIAL HYDROCARBON LIQUID CONTENT - GRAVIMETRIC METHODS

Published date

12-01-2013

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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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