Oilfield Glossary
Oilfield Glossary
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cleanup

1. n. [Well Completions]
A period of controlled production, generally following a stimulation treatment, during which time treatment fluids return from the reservoir formation. Depending on the treatment, the cleanup period can be relatively short and uncomplicated. However, following more complex treatments such as gravel pack or hydraulic fracturing, the cleanup process should be conducted carefully to avoid jeopardizing the long-term efficiency of the treatment.