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I.S. EN ISO 15112:2014

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

NATURAL GAS - ENERGY DETERMINATION (ISO 15112:2011)
Available format(s)

Hardcopy , PDF

Superseded date

26-02-2019

Language(s)

English

Published date

01-01-2014

Preview

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 Terms and definitions
4 Symbols and units
5 General principles
6 Gas measurement
7 Energy determination
8 Strategy and procedures
9 Assignment methods
10 Calculation of energy quantities
11 Accuracy on calculated energy
12 Quality control and quality assurance
Annex A (informative) - Main instruments and
        energy-determination techniques
Annex B (informative) - Different possible patterns in the
        change of the calorific value
Annex C (informative) - Volume conversion and volume-to-mass
        conversion
Annex D (informative) - Incremental energy determination
Annex E (informative) - Practical examples for volume conversion
        and energy quantity calculation
Annex F (informative) - Practical examples for averaging the
        calorific value due to different delivery situations
Annex G (informative) - Ways of determining substitute values
Annex H (informative) - Plausibility check graphical example
Annex I (informative) - Uncorrected data, bias correction and
        final result graphical example
Annex J (informative) - Single-reservoir calorific value
        determination
Bibliography

Gives the means for energy determination of natural gas by measurement or by calculation, and describes the related techniques and measures that are necessary to take.

DocumentType
Standard
Pages
78
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
ISO 15112:2011 Identical
EN ISO 15112:2014 Identical

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 10715:1997 Natural gas — Sampling guidelines
EN 12405-1:2005+A2:2010 Gas meters - Conversion devices - Part 1: Volume conversion
ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
ISO 15971:2008 Natural gas Measurement of properties Calorific value and Wobbe index
ISO 5168:2005 Measurement of fluid flow — Procedures for the evaluation of uncertainties
ISO 10723:2012 Natural gas Performance evaluation for analytical systems
ISO 9300:2005 Measurement of gas flow by means of critical flow Venturi nozzles
ISO 16664:2017 Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
ISO 5725-4:1994 Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
ISO 13686:2013 Natural gas Quality designation
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 15970:2008 Natural gas Measurement of properties Volumetric properties: density, pressure, temperature and compression factor
ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
ISO 14532:2014 Natural gas — Vocabulary
API MPM CH14.2 : 2ED 1994(R2012) MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 14.2: COMPRESSIBILITY FACTORS OF NATURAL GAS AND OTHER RELATED HYDROCARBON GASES
ISO 13443:1996 Natural gas Standard reference conditions
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
ISO 6142:2001 Gas analysis Preparation of calibration gas mixtures Gravimetric method
ISO/TR 12765:1998 Measurement of fluid flow in closed conduits Methods using transit-time ultrasonic flowmeters
ISO 10790:2015 Measurement of fluid flow in closed conduits Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3534-3:2013 Statistics — Vocabulary and symbols — Part 3: Design of experiments
EN 1359:2017 Gas meters - Diaphragm gas meters
ISO 14111:1997 Natural gas — Guidelines to traceability in analysis
ISO 7504:2015 Gas analysis Vocabulary
AGA XQ9212 : 0 COMPRESSIBILITY FACTORS OF NATURAL GAS AND OTHER RELATED HYDROCARBON GASES
ISO/TR 7871:1997 Cumulative sum charts Guidance on quality control and data analysis using CUSUM techniques
GPA 2172 : 2014 CALCULATION OF GROSS HEATING VALUE, RELATIVE DENSITY, COMPRESSIBILITY AND THEORETICAL HYDROCARBON LIQUID CONTENT FOR NATURAL GAS MIXTURES FOR CUSTODY TRANSFER
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
EN 1776:2015 Gas infrastructure - Gas measuring systems - Functional requirements
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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