# Offshore energy developments in Malaysia and Indonesia

> Developing situation record from CLSTR: https://clstr.news/situations/offshore-energy-developments-in-malaysia-and-indonesia
> Updated: 2026-11-05T03:16:41.000Z. Sources: 6. Developments: 2.

Energy companies have announced significant offshore projects in Southeast Asia. In Malaysia, TotalEnergies signed agreements to acquire a 30% operated interest in the Lang Lebah and B14 gas fields off the coast of Sarawak. This project, involving partners PETRONAS Carigali Sdn Bhd, PTTEP, and KUFPEC, aims to unlock over 6.5 trillion cubic feet of gas resources to supply the Malaysia LNG liquefaction plant and meet Asian demand.

Simultaneously, PT Prima Petroleum Energy reached a final investment decision for Phase 1 of the Ande-Ande Lumut heavy-oil project in Indonesia’s Natuna Sea. The project has an estimated capital expenditure of $515 million and is expected to achieve first oil by 2028.

## Timeline

### 2026-11-05: Energy companies announce major offshore developments in Indonesia and Malaysia

Prima Energi has greenlit a $515 million heavy-oil project in Indonesia, while TotalEnergies moves to acquire interests in major Malaysian offshore gas fields.

2 sources. https://clstr.news/cluster/energy-companies-announce-major-offshore-developments-in-indonesia-and-malaysia

### 2026-11-02: TotalEnergies to develop Lang Lebah and B14 gas fields in Malaysia

TotalEnergies will acquire a 30% operated interest in Malaysia's Lang Lebah and B14 gas fields to develop an integrated project expected to unlock 6.5 trillion cubic feet of gas resources.

4 sources. https://clstr.news/cluster/totalenergies-to-develop-lang-lebah-and-b14-gas-fields-in-malaysia

---
Cite as: Offshore energy developments in Malaysia and Indonesia. CLSTR, https://clstr.news/situations/offshore-energy-developments-in-malaysia-and-indonesia