What's New

- improved iPad 11 version to run on Mac M series (designed for Mac)

new features based on user requests:
- current pseudo-reduced temperature highlighted in the Z-factor graph
- on moving your finger on the graph shows the Z factor versus the gas pressures for the current gas temperature
- added options to select units and set decimals

App Description

This app is a tool very useful for complex calculations of the gas compressibility factor Z for natural gases used in the Gas Law: PV = nRTZ. Formulas by Hall and Yarborough (1973) correlation to estimate z-factor of natural gas.

Standing and Katz’s Chart to Z-Factor vs Reduced Pressure and Reduced Temperature was plotted by app using formulas by Hall and Yarborough (1973).

Check for oil & gas applications in our portfolio on the App Store. Please visite our website for links at www.wellcontrol.com.br

Please, you can contribute for improvements. Report bugs and suggestions to [email protected]

DISCLAIMER:

These tools & materials are provided 'as is' without warranties of any kind, express or implied.
Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools.
Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.

iPhone Screenshots

(click to enlarge)

Gas Compressibility Factor Z screenshot 1 Gas Compressibility Factor Z screenshot 2 Gas Compressibility Factor Z screenshot 3 Gas Compressibility Factor Z screenshot 4 Gas Compressibility Factor Z screenshot 5

App Changes

  • September 15, 2023 Initial release