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About
Gas Leak Rate Calculator
Note: The unit conversion factor for SI units provided by API RP14B 5th edition Appendix E
contains an error. This page uses the correct SI units conversion factor.
Units
English
SI
Calculation Notes
Initial Pressure:
psig
Final Pressure:
psig
Test Length:
minutes
Gas Volume:
ft3
Temperature:
F
Leak Rate:
scf/min
z Factor Initial:
z Factor Final:
Gas Properties
Gas Gravity:
Air = 1.0
CO2:
%
H2S:
%
N2:
%
Revised: 3 November 2010