International Standard

ISO-5167

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -

Part1: General principles and requirements, Ref. number: ISO 5167-1:2003(E)

Part2: Orifice plates, Ref. number: ISO 5167-2:2003(E)

Part3: Nozzles and Venturi nozzles, Ref. number: ISO 5167-3:2003(E)

Part4: Venturi tubes, Ref. number: ISO 5167-4:2003(E)

International Standard

ISO-6976

Natural gas - calculation of calorific values, density, relative density and Wobbe index from composition, Ref. number: ISO 6976:1995(E)

International Standard

ISO-12213-1

Natural gas - Calculation of compression factor -

Part1: Introduction and guidelines, Ref. number: ISO 12213-1:1997(E)

International Standard

ISO-12213-2

Natural gas - Calculation of compression factor -

Part2: Calculation using molar-composition analysis, Ref. number: ISO 12213-2:1997(E)

International Standard

ISO-12213-3

Natural gas - Calculation of compression factor -

Part3: Calculation using physical properties, Ref. number: ISO 12213-3:1997(E)

International Standard

ISO-20765-1

Natural gas - Calculation of thermodynamic properties -

Part 1: Gas phase properties for transmission and distribution applications, Ref. number: ISO 20765-1:2005

A.G.A. Report No. 3

ORIFICE METERING OF NATURAL GAS AND OTHER RELATED HYDROCARBON FLUIDS

Part 1: General Equations and Uncertainty Guidelines, (Third Edition, October 1990, 2nd printing, June 2003), American Gas Association and American Petroleum Institute, 1990, 2003.

Part 4: Background, Development, Implementation Procedure, and Subroutine Documentation for Empirical Flange-Tapped Discharge Coefficient Equation, (Third Edition, October 1992, 2nd Printing, August 1995, 3rd Printing, June 2003), American Gas Association and American Petroleum Institute, 1992, 1995, 2003.

A.G.A. Transmission Measurement Committee Report No. 8

Compressibility and Supercompressibility for Natural Gas and Other Hydrocarbon Gases, 1992.

A.P.I. Manual of Petroleum Measurement Standards

Chapter 11 - Physical Properties Data

Section 1 - Temperature and Pressure Volume Corretion Factors for Generalized Crude Oils, Refined Products, and Lubricating Oils, 2004.

IAPWS-IF97

R. W. Miller

Flow Measurement Engineering Handbook, 2nd edition, McGraw-Hill, New York, 1996.