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3 Phase Separator Inlet Nozzle Distribution Header Design

three phase separator oil gas water inlet nozzle distribution header

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#1 ADITYA.DUBEY

ADITYA.DUBEY

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Posted 21 November 2017 - 08:55 AM

Dear Members,

 

Good Evening.

 

We need to modify 8" inlet nozzle distribution header of a 3-phase separator for below details-

 

Oil = 15000 bopd (Sp. Gravity-0.8)

Water = 5000 bwpd(Sp. Gravity- 1)

Gas = 0.6 mmscfd maximum (Mol. Wt. =26)

Op Pr. = 3 barg , inlet press. = 6 barg(in the upstream of inlet flow control valve)

Op. Temp. = 80°C

Vessel ID = 2780 mm

Vessel TT length = 10000 mm

weir height = 1400 mm (at 7600 mm length from inlet side),No Boot

 

I know inlet distribution header type is very specific type of design which totally controls the separation efficiency of separator but we are in kind of hurry to internally modify with the best standard solution available in-house.

 

I want to know the best standard design available (e.g.-vane type,half cut-pipe with reflector plate etc.) which will serve the purpose till we get the solution from the vendor.

 

If any literature available on selection/design criteria for inlet nozzle,please let me know.

 

Thanks

Aditya

 



#2 Bobby Strain

Bobby Strain

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Posted 21 November 2017 - 10:24 AM

Give us a drawing or sketch of your existing separator. What is the pressing need to modify the nozzle? You can visit my website and use an application to perform a rating on your separator. It includes a recommendation of nozzle size for a simple half-pipe or baffle. You can find some guidelines on this site, too. You can find links to what you seek on my site, too.

 

Bobby


Edited by Bobby Strain, 21 November 2017 - 03:29 PM.


#3 ADITYA.DUBEY

ADITYA.DUBEY

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Posted 23 November 2017 - 01:09 PM

Dear Bobby

 

Please find attached drawing for more clarity.

 

Regards

Aditya

Attached Files


Edited by ADITYA.DUBEY, 23 November 2017 - 01:09 PM.


#4 Bobby Strain

Bobby Strain

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Posted 24 November 2017 - 10:26 AM

Is there any device inside the vessel? An existing distributor? Demister? Coalescer? This simple baffle should be sufficient.

 

Bobby

Attached Files


Edited by Bobby Strain, 24 November 2017 - 11:40 AM.


#5 ADITYA.DUBEY

ADITYA.DUBEY

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Posted 24 November 2017 - 08:16 PM

No sir..
There is not any existing distributor and coalescer..
There are only weir plate and demister pad(in gas outlet nozzle) inside the vessel.
We have to install a distributor header at inlet nozzle to ensure effective separation.

Regards
Aditya




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