appraisal well

a well drilled as part of an appraisal drilling programmewhich is carried out to determine the physical extent, reserves and likely production rate of a field;

appraisal well

a well drilled to further confirm and evaluate the presence of hydrocarbons in a reservoir that has been found by a wildcat well.

Appraisal Well

A well drilled to measure the size / quality (commercial potential) of a hydrocarbon discovery. Before development, a discovery is likely to need several such wells.

Appraisal Well

A well drilled as part of an appraisal drilling programme which is carried out to determine the physical extent, reserves and likely production rate of a field.
Found on http://www.oilandgasuk.co.uk/glossary.cfm
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