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Hyadraulic pressure

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Hyadraulic pressure

Postby legeolog » Thu Oct 22, 2009 12:09 am

Hi all,
can you please explain how can we calculate hydraulic pressure at a given point (for ex at casing shoe).

thanks
legeolog
 
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Postby X880862531X » Thu Oct 27, 2011 11:24 pm

When you said ( hydraulic pressure ), Do you mean hydrostatic pressure ?

Generally :

Pressure @ any elevation inside the well depends mainly on the fluid level inside the well & casing head pressure.

Casing head pressure is caused by the trapped gas in the casing between fluid level & well head.

For static wells :
pressure @ any elevation inside the casing
=
hydrostatic pressure of liquid existing above this elevation
+
CSG head pressure


concerning dynamic wells, I am not sure if this equation is applicable, or other factores affect the pressure.


hydrostatic pressure of any liquid column = density x 9.81 x column height

Any corrections on my words r welcomed.

I hope I could help you.
Best regards,
[highlight=yellow]Hosam[/highlight]
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