NGL component forecasting - with ethane recovery scenarios Online tool using physical properties (Btu content, volume, density) from industry standards. Calculates the estimated volume and composition of "Y grade" produced from a given amount of gas supply. Plant recoveries can be adjusted to assess the impact on gas Btu from recovering or rejecting ethane. Calculations can be saved to a transaction file available for download to Excel. For screenshots and examples, please download the presentation here.