Pertamina Hulu Energi ONWJ Ltd

Oil and GasIndonesia1001-5000 Employees

Pertamina Hulu Energi ONWJ Ltd operates oil and gas production under a production sharing contract in the Java Sea, covering about 8,300 square kilometers from north of Cirebon to Pulau Seribu. Through the Arjuna, Arimbi, and Bima fields, the venture has produced more than 1.4 billion barrels of oil and 1 trillion cubic feet of gas over more than 30 years. In 2005, average output was around 68 thousand barrels of oil equivalent per day, underscoring its position as a leading Indonesian hydrocarbon producer and a major supplier of domestically consumed natural gas. 

It is based in Indonesia and operates within the oil and gas industry, contributing to the country's domestic energy supply. Recent developments within the Pertamina Group indicate ongoing upstream activity in the region, including a June 2026 contract involving Pertamina Drilling Services Indonesia for a jack-up rig to support the Mako gas-field project, illustrating continued expansion and operational activity in nearby assets.

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