Lundin said the 4994 square kilometre block contained a previously unknown frontier Eocene/Oligocene basin, which it discovered.
During the first three year exploration phase Lundin said it planned to shoot 2400 kilometres of 2D seismic and 500 square kilometres of 3D seismic.
Lundin chief executive Ashley Heppenstall said the award of the South Sokang PSC was an important step in the company’s expansion of its exploration portfolio in South East Asia.
“The Natuna Sea is a core area for Lundin Petroleum demonstrated by the number of blocks it already holds in Malaysia and Indonesia," he said.
Lundin holds a 60% interest in the South Sokang Block and is operator with Salamander Energy holding the remaining 40% stake.