Ratio of oil production rate q_O to water injection rate q_{WI}:
| (1) | {\rm PIR} = \frac{q_O}{q_{WI}} |
It measures how efficiently the injection supports the oil production.
Ratio of oil production rate q_O to water injection rate q_{WI}:
| (1) | {\rm PIR} = \frac{q_O}{q_{WI}} |
It measures how efficiently the injection supports the oil production.