シンポジウム 「特色ある貯留層流体に関する技術」
ウムアルアンバー油田の貯留層内流体について
2006 年 71 巻 6 号 p. 539-548
詳細
2006 年 71 巻 6 号 p. 539-548
Reservoir fluids in Umm Al-Anbar (AR) Field have unique characteristics with vertical variations in the hydrocarbon properties in the 500-ft thickness of Arab Formations. While Arab A and B reservoirs are black oil reservoirs, Arab C and D1 reservoirs are reservoirs with near critical fluids varying in composition according to the reservoir depths. Since Arab D2 and D3 reservoirs are gas condensate reservoirs, there are three types of reservoir fluid in the field.
Modeling of the migration and accumulation process has been studied in order to explain vertical reservoir fluid distribution and the formation of near critical fluids in the field. The process of primary oil and secondary gas migration was proposed in 1993.
This report presents several technical topics related to :
(1) The vertical distribution of different types of reservoir fluid.
(2) The process of primary oil accumulation and secondary gas migration.
(3) Special properties of near critical fluid.
In addition several technical points on the treatment of near critical fluid in reservoir simulation studies are discussed.
