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API MPMS Chapter 14.5 : 2009 (R2025)

Calculation Of Gross Heating Value, Specific Gravity, And Compressibility Of Natural Gas Mixtures From Compositional Analysis

Standard Details

This standard presents procedures for calculating, at base conditions from composition, the following properties of natural gas mixtures: gross heating value, relative density (real and ideal), compressibility factor and theoretical hydrocarbon liquid content which in the U.S. is typically expressed as GPM, the abbreviation for gallons of liquid per thousand cubic feet of gas.

Rigorous calculation of the effect of water upon these calculations is complicated. Because this document relates primarily to custody transfer, the water effect included is an acceptable contractual calculation. Annex A of this standard contains a detailed investigation of the effect of water and detailed derivations of the equations presented in the standard.

General Information

Status : ACTIVE
Standard Type: Main
Document No: API MPMS Chapter 14.5 : 2009 (R2025)
Document Year: 2009
Pages: 50
Edition: 3
  • Section Volume:
  • 06 Petroleum Measurement

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API MPMS Chapter 14.5 : 2009 (R2025)

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