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Oil & Gas Drilling Glossary

SSV Valve or USV Valve

Last Updated: 7 years ago

Definition(s)


SSV Valve or USV Valve

Portion of the SSV/USV that contains the wellstream and shuts off flow when closed.

Source: API SPEC 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 (Addendum November 2012). Global Standards


See Also


  • Deadlegs
  • Secondary Process Piping
  • Central Portion of the Head
  • Nonpressure Boundary
  • Cyclic Service

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The IADC Lexicon is © IADC. However, the documents from which the definitions were drawn may be copyrighted by the original sources, and may not be used without express permission of the copyright holders. IADC expressly recognizes the copyrights of contributors to this Lexicon, including API, OGP, ISO, NORSOK and DNV.

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Recently Added Terms

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The IADC Lexicon is © IADC. However, the documents from which the definitions were drawn may be copyrighted by the original sources, and may not be used without express permission of the copyright holders. IADC expressly recognizes the copyrights of contributors to this Lexicon, including API, OGP, ISO, NORSOK and DNV.

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