Oct 31, 2010
• The complex geological history of Indonesia has resulted in over 60 sedimentary basins which are the subject of petroleum exploration today.
• Current status : 15 are producing, 9 drilled with discoveries, 14 drilled with no discovery, 22 not yet drilled.
• Western Indonesia basins (22) : considered to be maturely explored.
• Eastern Indonesia basins (38) : under-explored, 20 not yet drilled, sparse geological knowledge, remoteness to world markets, logistical difficulties, high costs, little or no infrastucture, deep water area.
• All of the most prolific basins to date are located in Western Indonesia. These include basins of North Sumatra, Central Sumatra, South Sumatra, Sunda-Asri, Northwest Java, East Java, Barito, Kutei, Tarakan, West Natuna, and East Natuna.
• In Eastern Indonesia only the Salawati Basin is considered to be mature.
• Eastern Indonesia has large-giant hydrocarbon potential at Mesozoic and Paleozoic objectives, as shown by discoveries at Tangguh complex, Oseil, Abadi, NW shelf of Australia, and Central Range of PNG.