Sunda - Asri Basin (Southeast Sumatra Basin)

The Asri and Sunda Basins are located offshore Southeast Sumatra under the SE Sumatra Production Sharing Contract (PSC). Currently, Pertamina Hulu Energi OSES operates in the Asri and Sunda Basins, known as the Southeast Sumatra (SES) Block (Figure 1).

Source: Ralanarko, D. Wahyuadi, D., Nugroho, P., Syafri, Almabrury, A., and Nur, A. A., 2020, Seismic Expression of Paleogene Talangakar Formation - Asri & Sunda Basins, Java Sea, Indonesia, Berita Sedimentologi #46


Fig.1. Southeast Sumatra Block


Fig. 2. Basin configuration of Sunda and Asri Basin with some structural components.



Fig. 3. Typical N-S seismic cross section, Sunda Basin



Fig. 4. West-East seismic section across Sunda Basin




Fig. 5. Seismic section across several fields in the region, from Zelda, Tati, to the border with ONWJ Block.


Fig. 6. North-South oriented seismic section across Asri Basin, in the north of the area.


Fig. 7. West - East oriented seismic section across Asri Basin.