Joshua Paul/AP Petronas and PTT Exploration & Production (PTTEP) are pursuing upstream strategies that are designed to maintain, and even increase, production as oil and gas demand in Southeast Asia continues to grow into the next decade. The two national oil companies will continue to explore for oil and gas, favoring barrels that are advantaged both in cost and carbon terms.Both companies will use carbon capture technologies to keep emissions in check as they maintain upstream production. Save for later Print Download Share LinkedIn Twitter The Issue