• I.S. EN ISO 6570:2004

    Current The latest, up-to-date edition.

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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2004

    Publisher:  National Standards Authority of Ireland

    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.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Specifies 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.

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    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
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