A set of subsurface and surface mechanical construction facilities related to a well.
If no mechanical construction is pulled down yet then completion status is called open-hole.
This only happens when the Drilling rig is still on well site and waiting for well completion.
Every drilling eventually ends up with completing the well and then it gets status as cased-hole except sometimes the bottom part of the well may stay open-hole to ensure the best well-reservoir contact.
| Surface | Pipes | Annuli | Annuli components |
|---|---|---|---|
SRP Pump SRP Control Unit ESP Control Unit | Pipe centralisers ESP power cable Data transmission cable |
| |
| Fig. 1. Key elements of Well completion. | Fig. 2. A simple example of Well schematic. |
Petroleum Industry / Upstream / Petroleum Well
[ Well schematic ] [ Single-string ]
[ Lift mechanism ]
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