PENGARUH DENSITAS MINYAK BUMI TERHADAP OIL LOSSES PADA PENCAMPURAN MINYAK BUMI DI LAPANGAN ‘X’ SUMATRA SELATAN

Hariyadi Hariyadi, Dedy Kristanto

Abstract


Field experience shows that, when two or more oils have different densities mixtures and transported through
the pipeline at the same time, the mixtures will form a new characteristics of oils that different than oils
initially, then the volume of the oil mixture is delivered from the SP ( Gathering Station), as the transfer
point, the volume will be different on the tank received. Differences between the sending and receiving of
these so-called oil losses. One factor is the shrinkage volume of oil that caused the process of mixing two or
more of oils which have different characteristics in the pipeline or tank .Laboratory testing use to calculate
shrinkage of oil, but the other use the American Petroleum Institute method.In a case study conducted in the
oil field 'X' in South Sumatra there are some groups that have different characteristics of petroleum, and
from laboratory experiments and mathematical calculations showed that the shrinkage in the Group 1 is
equal to 0.115% or 2.386 BOPD, shrinkage in the Group 2 is equal to 0131% or 3.931 BOPD. The amount
of shrinkage in Group 3 of 0.476% which is equivalent to 6.748 BOPD and for Group 4 seen that shrinkage
of this group amounted to 0.189% or 2.082 BOPD and shrinkage for Group 5 amounted to 5% or 38.507
BOPD. While the total shrinkage in the network system from upstream to downstream (group 1- 5) is
approximately 0.257%, or approximately 54.37 BPOD


Keywords


density, crude oil, oil losses, shrinkage

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