INPEX Corporation is Japan’s largest oil and gas exploration and production company, engaged in the upstream sector across multiple continents. The company focuses on the exploration, development and production of crude oil and natural gas resources, leveraging technical expertise and project management capabilities to advance complex offshore and onshore ventures. In addition to its core upstream activities, INPEX participates in midstream operations, including natural gas liquefaction and marketing, as well as trading and shipping of liquefied natural gas (LNG).
Headquartered in Tokyo, INPEX maintains a diversified portfolio of projects spanning Asia, Australia, the Middle East and Africa. Notable developments include a major LNG project in Indonesia’s Masela Block, the Ichthys LNG project off Western Australia in partnership with international energy firms, and offshore oil and gas concessions in the Middle East. The company also holds interests in exploration acreage in regions such as Qatar’s North Field and various North American basins, reflecting its strategic aim to balance resource risk and enhance long-term reserves.
Complementing its traditional oil and gas operations, INPEX has begun investing in low-carbon energy initiatives and renewable power generation. The company is advancing offshore wind projects in Japan and exploring carbon capture and storage (CCS) technologies, positioning itself to support domestic energy security while responding to global decarbonization trends. These diversification efforts underscore INPEX’s commitment to evolving its business model in line with the energy transition.
Founded in 1966 and privatized in the early 2000s, INPEX was originally established to secure energy supplies for Japan’s growing economy. Over the decades, it has developed technical partnerships with national oil companies and major international oil companies, building a global footprint through strategic alliances and joint ventures. Today, INPEX operates a network of regional offices and technical centers around the world, guided by a leadership team with deep experience in large-scale energy project delivery and engineering.
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