Energy Glossary
Look up terms beginning with:
1. adj. []
Pertaining to equipment, facilities or systems located in the wellbore or production train before the surface choke or Christmas tree.
Antonyms: downstream
See related terms: Christmas tree
Share
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.
