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Asset Report 02 July 2025

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Report summary

The Rokan PSC contains around 100 producing fields, including the super-giant Minas and Duri oil fields, which are among the largest in Southeast Asia. The other main oil fields include Bangko, Bekasap, Balam South, Kotabatak, Petani, Pematang, Petapahan, and Pager. Operated by the national oil company PERTAMINA since August 2021, Rokan's oil fields were initially developed by Chevron under the subsidiary Chevron Pacific Indonesia (CPI). Excluding other fields, the combined original oil in place (OOIP) for the super-giant Minas and Duri fields is around 14.6 billion barrels. The Duri field produces by steamflood, Minas by waterflood, and other fields by a mix of primary and waterflood recovery. With production in natural decline, additional recovery from the Rokan fields is contingent on the success of the long ongoing, and new Enhanced Oil Recovery (EOR) projects.

Summary
Key Issues
Current participation
Historical participation
Duri
Minas
Recent exploration
- Unconventional wells
- Conventional wells
Historical exploration
- Pre-1950
- 1950-1980
- 1980-2010
- Post-2010
Rokan PSC Post-2021
Historical Rokan PSC
Emissions
Current and planned development
- Development summary
- Duri steamflood project
- Sumatra Light Oil/Crude projects
- Other projects - surfactant polymer, steam injection EOR
- Longer-term plans
15 more item(s)...