Jump to content



Featured Articles

Check out the latest featured articles.

File Library

Check out the latest downloads available in the File Library.

New Article

Product Viscosity vs. Shear

Featured File

Vertical Tank Selection

New Blog Entry

Low Flow in Pipes- posted in Ankur's blog

0

Turndown Of A Three Phase Separator - Level Settings

three phase separator liquid level

3 replies to this topic
Share this topic:
| More

#1 zamakaze

zamakaze

    Junior Member

  • Members
  • 13 posts

Posted 20 January 2021 - 08:03 PM

For a three phase separator turndown, would level settings have any consequence?
 
Lets say vessel is designed for 1000 BOPD and 200 BWPD and 2 MMSCFD gas
 
But we are operating at 50% i.e. 500 BOPD, 100 BWPD and 1 MMSCFD
 
if the LLL-LLLL time was 2 minutes for design...would not it increase now for 50% operation? that would be good right?
 
What will happen to Normal Liquid Level in case of turndown ???


#2 Bobby Strain

Bobby Strain

    Gold Member

  • Members
  • 3,526 posts

Posted 20 January 2021 - 11:10 PM

No need to change anything. Separation should improve.

 

Bobby



#3 breizh

breizh

    Gold Member

  • Admin
  • 6,282 posts

Posted 20 January 2021 - 11:48 PM

Hi,

Residence time is going to increase ( *2) thus the performance (decantation) of the separator will improve . 

IN=OUT 

my view

Breizh 


Edited by breizh, 21 January 2021 - 02:09 AM.


#4 fallah

fallah

    Gold Member

  • ChE Plus Subscriber
  • 4,930 posts

Posted 21 January 2021 - 02:02 AM

 

For a three phase separator turndown, would level settings have any consequence?
 
Lets say vessel is designed for 1000 BOPD and 200 BWPD and 2 MMSCFD gas
 
But we are operating at 50% i.e. 500 BOPD, 100 BWPD and 1 MMSCFD
 
if the LLL-LLLL time was 2 minutes for design...would not it increase now for 50% operation? that would be good right?
 
What will happen to Normal Liquid Level in case of turndown ???

 

 

Hi,

 

Yes, that would be good due to more time between LLL and LLLL for operator action (in safety standpoint)...

 

Nothing will happen...as long as the input flow rate remain equal to output flow rate...






Similar Topics