Downhole and wellhead construction facilitiesA set of subsurface and surface mechanical construction facilities related to a well.
If no mechanical construction is pulled down yet then completion status is is called open-hole.
This only happens when the drilling the Drilling rig is still on well site and waiting for well completion.
Every Every drilling eventually eventually ends up with with completing the the well and then it gets status as cased-hole except sometimes the bottom part of the the well may stay 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 |
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| Fig. 1. Key elements of Well completion. | Fig. 2. A simple example of Well schematic. |
See Also
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Petroleum Industry / Upstream / Petroleum Well
[ Well schematic ] [ Single-string ]
[ Lift mechanism ]
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