Percentage of cumulative good water production Q_{W, \ \rm good}^{\downarrow} to the historical records of the cumulative water injection Q_W^{\downarrow}:
| \Omega_W^{\downarrow} = \frac{Q_{W, \ \rm good}^{\downarrow}}{Q_W^{\downarrow}} |
It shows the share of total injected water which entered the reservoir with hydrocarbons, this supporting its sweep.
It excludes a portion of water which was unwillingly injected into the water bearing formations.
See Also
Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis / Watercut Diagnostics
[ Good Water ][ Bad Water ]