What is the purpose of performing a well integrity test (WIT) on a suspended well?

The purpose of performing a Well Integrity Test (WIT) on a suspended well is to verify the continued integrity of the well's pressure containment barriers and to ensure that the well remains safely isolated from the environment during the suspension period. A suspended well is a well that is temporarily taken out of production or drilling operations but is intended to be re-entered at a later date. During the suspension period, the well must be securely isolated to prevent....