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[m42364236k]

Dear friends

  I have question regarding to wellhead control panel accumulator, we have well head control panel  it send the oil to SSSV and don hole valve ,master valve all this valve have different pressure ,we have two centrifugal pump and in each line we have pressure control valve after  the control valve we have bladder type accumulator for each line 

First of all i want to know that how we can charge the bladder type accumulator

as i know we use nitrogen to pressurize this bladders but i want to know  we need to have nitrogen package for  continues charging or just temporary use for  first start the panel.

after the accumulator start to empty how we can pressurize it again dose it need nitrogen again? 

 

second question

is this accumulator need pressure safety valve or TSV that install on the shell side of accumulator

 

Thanks