History

1950s

1955.12

Founded as a government-owned company by the Law of Japan Petroleum Exploration Co., Ltd.

JAPEX foundation ceremony

1956.07

Discovered the Biratori oil field in Hokkaido, the first oil field discovered by JAPEX (in production from 1956 to 1961)

1958.07

Discovered Sarukawa oil field in Akita (Commenced production in 1959, still in production and operation)

1960s

1965.05

Expanded the operation range overseas by revision to the Law of Japan Petroleum Exploration Co., Ltd.

1967.10

Integrated into a newly established Japan Petroleum Development Corporation (JPDC)

1970s

1970.04

Reorganized as a private company by separating from JPDC

1971.05

Established Japex Offshore Ltd.

1972.03

Discovered the Aga-oki oil and gas field in Niigata, the first ever offshore oil field discovered since the establishment of Japex Offshore Ltd. (In production from 1976 to 1998)

Aga-oki platform

1980s

1983.06

Discovered Iwata-oki oil and gas field in Niigata (Commenced production in 1990, still in production and operation)

1990s

1996.03

Commenced operation of the Niigata-Sendai Gas Pipeline

Niigata-Sendai Gas Pipeline

2000s

2000.03

Commenced world’s first LNG tank container railway transportation

2003.01

Commenced commercial production of bitumen by the SAGD method in Hangingstone leases in Canada (End of our operation in 2021)

2003.12

Listed on the First Section of the Tokyo Stock Exchange

2007.05

Participated in the Kangean project in Indonesia

2010s

2011.11

Commenced operation of the Yufutsu LNG Receiving Terminal

2013.04

Participated in the shale gas project in Canada (End of our participation in 2021)

2013.08

Commenced production of crude oil of the Garraf project in Iraq

2014.06

Commenced operation of the mega-solar power station located at the Hokkaido District Office

2018.03

Commenced operation of the Soma LNG Terminal

2020s

2020.04

Commenced commercial operation of the Fukushima Natural Gas Power Plant

2022.04

Changed the listing market on Tokyo Stock Exchange (to the Prime Market)

2022.10

Abashiri Biomass 2nd Power Plant commenced commercial operation (its 3rd Power Plant commenced commercial operation in March 2023)