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December 3, 2021

Mahakam PSC Conventional Gas Field, Indonesia

By Carmen

Mahakam PSC is a producing conventional gas field located in shallow water in Indonesia and is operated by PT Pertamina Hulu Mahakam. The field is located in block Mahakam block, with water depth of 297 feet.

Three expansion projects are associated with the Mahakam PSC conventional gas field, namely JSN Project (Jumelai – North Sisi -North Nubi), Handil WF and Peciko 8A Expansion Project. The expansion projects are currently in the commissioning and approval stage.

Field participation details

The field is owned by PT Pertamina (Persero).

Production from Mahakam PSC

The Mahakam PSC conventional gas field recovered 92.27% of its total recoverable reserves, with peak production in 2006. The peak production was approximately 91.36 thousand bpd of crude oil and condensate and 2,983 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2035. The field currently accounts for approximately 8% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 410.97 Mmboe, comprised of 129.91 Mmbbl of crude oil & condensate and 1,686.39 bcf of natural gas reserves. Mahakam PSC conventional gas field reserves accounts 0.13% of total remaining reserves of producing conventional gas fields globally.

Contractors involved in the Mahakam PSC conventional gas field

Some of the key contractors involved in the Mahakam PSC project as follows.

Main EPC: PT Meindo Elang Indah

Other Contractors: Apexindo International, Intecorr Consultancy Sdn and Japan Drilling

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About PT Pertamina Hulu Mahakam

Pt. Pertamina Hulu Mahakam specialises in contracted and fee-based geophysical, geological, as well as other oil and gas drilling services. It is headquartered in Indonesia.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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