THE CALCULATION OF EVAPORATION LOSS IN TANK Y AND TANK Z AT PT X PRABUMULIH

Abstract

Calculation Evaporation Loss (Fixed Roof Tank) on Tank Y and Tank Z in SA Field, PT X Prabumulih. The calculation of  evaporation  loss consists of breathing loss  and working loss.  By calculating breathing  loss and working loss, it can be known the  losses that occur in a tank. The most significant parameters in influencing breathing loss are  temperature  and ullage tanks, while parameters that greatly affect working loss are true vapor pressure and trhoughput. After calculating, the total  losses  that occurred in Tank Y and Tank Z were obtained as much as 3.46 Bbl / day or 1,261.41 Bbl / year, if assumed with the  Indonesian Crude Price (ICP) price of crude oil per barrel  is currently US $ 117.62 then the loss incurred in Tank Y and Tank Z is Rp. 2,209,762,045 / year.