Indonesia’s Medco Energi and partners are forging ahead with phase two of the Senoro gas development onshore Central Sulawesi that will exploit almost another 1 trillion cubic feet of gas, writes Amanda Battersby.

Existing well performance shows upside potential of another 974 billion cubic feet of gas at this onshore asset, which delivers feedstock to the Donggi-Senoro liquefied natural gas project, according to co-venturer Pertamina. Senoro phase two will include a new third train with sales capacity of 95 million cubic feet per day of gas at the north central processing plant.

Pertamina said the aim is to award the project’s engineering, procurement and construction contract in the fourth quarter of 2019.

Production start-up from Senoro phase two is being targeted in the third quarter of 2022.

Peak output of upwards of 90 MMcfd of gas is envisaged in the following year and continuing for 20 years before declining in the mid 2040s. Potential buyers of the gas include fertiliser manufacturers Pupuk Indonesia and Panca Amara Utama (PAU) and the partners are hoping to finalise such sales agreements before the end of June.

Pre-front engineering work for Senoro phase two started in the third quarter of 2017.

Donggi Senoro LNG receives feedstock gas from Pertamina’s Matindok block and Senoro-Toilli, which is operated by the Medco Energi and Pertamina joint operating body. In addition to producing 2 million tonnes per annum of LNG, gas from the blocks is sold to PAU and state-owned electricity player Perusahaan Listrik Negara.

Partners in Donggi Senoro LNG are Mitsubishi and Kogas on 59.9%, Pertamina having 29% and Medco with 11.1%.

The companies’ respective stakes in the upstream part of the onshore gas project are Medco 30%, Pertamina 50% and Mitsubishi/Kogas 20%.

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Senoro phase two scheme on the march for Medco Energi