The block is located offshore East Malaysia covers an area of 672km2 with a water depth ranging from 100m to 1,400m.
The company used wireline and formation pressure tools to confirm approximately 70m of total net oil pay in primary target Miocene-aged formation with reservoir depth ranging from 1,860m to 2,702m below sea level.
Preliminary wireline evaluations demonstrated good reservoir properties, the company said.
JX Nippon holds 27.5% operating interest in the block and the Bestari-1 is the first of three commitment wells in the block.
Other partners in the block include Inpex Offshore South West Sabah with a 27.5% interest, Petronas Carigali with a 25% interest and Santos Sabah Block R with a 20% interest.
JX Nippon plans to increase its activities and presence in Malaysia, including acquisition of new business opportunities.
