Oilfield Glossary
Oilfield Glossary
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wireline-retrievable safety valve (WRSV)

1. n. [Well Completions]
A type of safety valve in which the principal components can be run and retrieved by wireline or slickline. The valve assembly is landed in a ported nipple that is equipped with a control line connected to the surface control system. This configuration enables the safety valve to be easily retrieved for repair or maintenance, but the resulting internal bore of the WRSV must be relatively small.