Eni (BIT:ENI) on Monday reported a giant gas discovery at the Geliga-1 exploration well, located in the Ganal block of the Kutei Basin offshore Indonesia. The well sits about 70 kilometers from the East Kalimantan shoreline and was drilled in water depths of approximately 2,000 meters.
Initial, in-place resource estimates provided by the company place the Geliga-1 accumulation at about 5 trillion cubic feet of gas and roughly 300 million barrels of condensate. Eni described the reservoir as having excellent petrophysical properties. To further evaluate reservoir deliverability, the operator plans to carry out a Drill Stem Test - a standard step to assess flow rates and connectivity.
Geographically, the Geliga-1 discovery is situated roughly 20 kilometers north of the Geng North giant find announced in late 2023. The company also noted a separate discovery at the Konta-1 well in December 2025. These finds come amid recent Final Investment Decisions (FIDs) for regional developments.
Specifically, FIDs have been reached for the Gendalo and Gandang gas project, referred to as the South Hub, and for the Geng North and Gehem fields, collectively described as the North Hub. According to the company, the North Hub development will rely on a newly constructed Floating Production, Storage and Offloading unit - an FPSO sized to handle 1 billion standard cubic feet per day of gas and 90,000 barrels per day of condensate - in conjunction with the existing Bontang LNG Plant.
Eni's announcement places the Geliga-1 result in the context of an evolving cluster of discoveries and sanctioned projects in the area. The planned Drill Stem Test and the announced hub developments are the immediate next steps identified by the company as part of assessing and potentially monetizing the newly identified resources.
Key details
- Location: Geliga-1 well, Ganal block, Kutei Basin - approximately 70 km offshore East Kalimantan.
- Water depth: around 2,000 meters.
- Preliminary in-place estimates: ~5 trillion cubic feet of gas and ~300 million barrels of condensate.