Boosting Indonesia’s energy resilience through advanced technology

As Indonesia’s energy needs grow, we’re advancing innovative solutions that turn the complexity of mature fields into new opportunities for value creation — not just maintaining output, but unlocking performance.

In most mature oil fields, decline is expected. We see it differently: as a chance to apply breakthrough technologies and deliver more.

At our Banyu Urip field, part of Indonesia’s vast Cepu Block, advanced technologies are being deployed to maximize oil production. Two pioneering methods we’re using — Low Dosage Acid (LDA) and Gas Shut Off (GSO) — help unlock more barrels from underground while keeping operations safe and cost-effective.

Low Dosage Acid (LDA)
A safe and controlled process where we inject a small amount of acid into rocks, creating a chemical reaction that improves oil flow paths.

Gas and Water Shut Off (GSO)
When gas and water begin flowing into oil wells earlier than expected, it can reduce production. GSO uses specialized chemicals to block gas and water from flowing into the well, resulting in higher oil production.

These are ExxonMobil’s first-of-their-kind technologies, applied for the first time in Indonesia. This demonstrates how we leverage our global technology and wells organizations to identify solutions that can deliver real value.

Raising Indonesia’s energy resilience

The Cepu Block currently accounts for almost a third of the country’s total oil output, having produced more than 700 million barrels — nearly double its original target of 450 million barrels — and with significant remaining potential. Since production began, it has contributed about US$35 billion, or roughly Rp 586 trillion, to Indonesia’s economy.

Through bold innovation, collaboration, and the strategic application of advanced technology, we’re committed to maximizing oil production from the Cepu Block and reinforcing Indonesia’s energy resilience.