Pertamina EP, Partner Find New Oil Layer in South Sumatra
Pertamina EP and partner BOSL find a new oil-bearing layer in South Sumatra, with an initial flow test reaching 1,257 barrels per day.
PT Pertamina EP and its partner Bass Oil Sukananti Limited (BOSL) have discovered a new oil-bearing layer in Ogan Ilir, South Sumatra, during a flow test conducted on the BNN-6 well in the Bunian structure. The initial flow test, which took place from September 8 to 10, 2026, recorded a flow rate of 1,257 barrels of oil per day (BOPD) from Layer M, a newly identified hydrocarbon-bearing zone at a depth of around 1,769 meters.
The discovery was made as part of the Firm Commitment drilling program in Pertamina EP Zone 4 Regional 1, and the well was drilled using directional drilling techniques to reach a final depth of 1,807 meters. Pertamina EP Regional 1 Partnership Manager Asrin Sarsono stated that the initial flow result indicates additional potential in the existing field, and the KSO BOSL General Manager Andri Luthfi Lukman Hakim emphasized that the discovery shows the field still has economic potential for development.
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