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EN ISO 4267-2:1995

Current
Current

The latest, up-to-date edition.

Petroleum and liquid petroleum products - Calculation of oil quantities - Part 2: Dynamic measurement (ISO 4267-2:1988)
Published date

04-10-1995

0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Hierarchy of accuracies
  4.1 Purpose and implications
  4.2 Hierarchy
5 Principal correction factors
  5.1 Purpose and implications
  5.2 C[ts]
  5.3 C[ps]
  5.4 C[pl]
  5.5 C[tl]
6 Calculation of prover volume
  6.1 Purpose and implications
  6.2 Volume Standard measures
  6.3 Rule for rounding - Provers
  6.6 Corrections applied to measured-volume water draw method
  6.7 Example of calculation - Calibration of pipe prover by
                               water draw method using field
                               Standards
  6.8 Example of calculation - Calibration of tank prover by
                               water draw method using field
                               Standards
  6.9 Example of calculation - Calibration of pipe prover by
                               master meter method
7 Calculation of meter factor
  7.1 Purpose and implications
  7.2 Temperature and pressure
  7.3 Rule for rounding - Meter factors
  7.4 Calculation of Standard meter factor for a displacement
      meter, using a prover tank
  7.5 Calculation of Standard meter factor for a turbine meter,
      using a pipe prover
  7.6 Calculation of meter factor at Standard conditions for a
      displacement meter, using a master meter
8 Calculation of K-factor
  8.1 Purpose and implications
  8.2 Temperature and pressure
  8.3 Rule for rounding - K-factors
  8.4 Calculation of K-factor for a turbine meter, using a pipe
      prover
9 Calculation of measurement tickets
  9.1 Purpose and implications
  9.2 Rule for rounding - Measurement tickets
  9.3 Correction factors and accuracy
Annex A Correction factors for the effect of temperature and pressure
        on steel

Defines the various terms employed in the calculation of metered petroleum quantities. Also specifies the equations which allow the values of correction factors to be computed. Also gives rules for the sequence, rounding and significant figures to be employed in a calculation. Provides tables which may be used to look up specific correction factors should it not be desired to calculate them by manual as well as computer methods. The field of application is the volumetric measurement of liquid hydrocarbons, including liquefied petroleum gases, by meter and prover. It does not include two-phase fluids.

Committee
CEN/TC 19
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

ISO 7278-2:1988 Liquid hydrocarbons — Dynamic measurement — Proving systems for volumetric meters — Part 2: Pipe provers
ISO 5024:1999 Petroleum liquids and liquefied petroleum gases Measurement Standard reference conditions
ISO 91-1:1992 Petroleum measurement tables Part 1: Tables based on reference temperatures of 15 degrees C and 60 degrees F
ISO 2715:1981 Liquid hydrocarbons Volumetric measurement by turbine meter systems
ISO 8222:2002 Petroleum measurement systems Calibration Temperature corrections for use when calibrating volumetric proving tanks
ISO 9770:1989 Crude petroleum and petroleum products Compressibility factors for hydrocarbons in the range 638 kg/m3 to 1 074 kg/m3

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