PTT Exploration and Production Public Co. Ltd. (PTTEP), through its subsidiary PTTEP Sarawak Oil Ltd., discovered oil and gas in Sirung-1, the first exploration well in Block SK405B, about 137 km off the coast of Sarawak (Bintulu), Malaysia.
The well was drilled in January in shallow waters to a total depth of 2,538 m where it encountered an oil and gas column of more than 100 m in the clastic reservoirs. An appraisal well is scheduled soon to assess the upside resources, the company said in a release Mar. 29.
Sirung-1 is PTTEP’s third discovery offshore Malaysia following SK410B’s Lang Lebah and SK417’s Dokong (OGJ Online, Feb. 11, 2021; Feb. 24, 2021). PTTEP plans to explore nearby prospects in the area in 2022, said Phongsthorn Thavisin, chief executive officer, PTTEP.
PTTEP is operator at SK405B (59.5%) with partners Moeco Oil (Sarawak) Sdn. Bhd. (25.5%) and Petronas Carigali Sdn. Bhd. (15%).