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Glossary:Dump flood

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Various – usually allowing water to gravity feed into the annulus (without packer) or the tubing and into the formation.

Completing selected wells in multiple zones to facilitate a feed of water from one subsurface horizon into the reservoir to be flooded for the purpose of supplementing pressure maintenance or water flood operations. The required head is often provided by gravity, but may be aided by pump-operations or downhole separation. The flow conduit may be via a tubing string or an annular flow path in a concentric or packerless completion.