underbalance Definition
a condition in which the pressure of fluids in a wellbore is less than the pressure exerted by the surrounding rock formations.
Using underbalance: Examples
Take a moment to familiarize yourself with how "underbalance" can be used in various situations through the following examples!
Example
Underbalance drilling is used to minimize formation damage and increase production rates.
Example
The underbalance condition can lead to the influx of formation fluids into the wellbore.
Summary: underbalance in Brief
'Underbalance' [uhn-der-bal-uhns] refers to a condition in which the pressure of fluids in a wellbore is less than the pressure exerted by the surrounding rock formations. This technique is used in underbalance drilling to minimize formation damage and increase production rates. However, it can also lead to the influx of formation fluids into the wellbore.
