A successful Barites plug should accomplish:
- killing of the well
- plugging of lost circulation zone.
Application
Barite plugs shall be applied when the following situations arise:
- Simultaneous kicking and lost circulation.
- Abandonment procedure to allow safe withdrawal of drillpipe to permit subsequent setting of a cement plug.
- Withdrawal of drillpipe to either set casing or repair existing casing strings.
- Plugging of drillpipe in emergency situations.