A subsidiary of US oil and gas giant Chevron Corporation (<a href="https://www.nasdaq.com/market-activity/stocks/cvx/real-time" target="_blank">NYSE:CVX</a>) will be cooperating with PT Pertamina Geothermal Energy Tbk (<a href="https://www.idx.co.id/en/listed-companies/company-profiles/PGEO" target="_blank">IDX:PGEO</a>), or PGE, and Abu Dhabi-based Mubadala Energy to explore the geothermal potential in Kotamobagu, North Sulawesi, Indonesia.