UNI EN ISO 15112 : 2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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NATURAL GAS - ENERGY DETERMINATION
01-09-2022
01-01-2014
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.
| Committee |
E01.12
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN ISO 15112:2018 | Identical |
| 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 MPMS 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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