Energy Glossary
Look up terms beginning with:
1. n. [Well Completions]
The topmost valve on a Christmas tree that provides vertical access to the wellbore.
See: Christmas tree
Share This
To download this file you first sign in to your Schlumberger account.
Don't have an account? Click below to get started.
Premium content requires special account permissions. We need a little more information from you before we can grant you access.
