Semi-log plot of WOR against cumulative oil production   or Oil Recovery Factor (RFO) (see Fig. 1).

Fig. 1. WOR (logarithmic vertical axis) vs  RFO (linear horizontal axis)


Linear trend of WOR towards  WOR Cut-off sill (usually 49) is pointing at Estimated Ultimate Oil Recovery (EUOR)


See Also


Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling /  Production Analysis / Watercut Diagnostics

Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling /  Production Analysis / Analytical Production Forecast


References


Chan, K. S. (1995, January 1). Water Control Diagnostic Plots. Society of Petroleum Engineers. doi:10.2118/30775-MS