Empyrean Energy plc is an exploration company focused on developing a portfolio of oil and gas projects primarily in the Australasian region. Its key assets include an 8.5% working interest in the Duyung Production Sharing Contract offshore Indonesia, which contains the Mako gas field, and a 25-30% interest in gas projects in the Sacramento Basin, California. The company aims to generate revenue through the exploration and production of hydrocarbons, with a strategic emphasis on gas sales agreements in Indonesia to meet domestic energy demands.