Founded as a government-owned company by the Law of Japan Petroleum Exploration Co., Ltd.
JAPEX foundation ceremony
Discovered the Biratori oil field in Hokkaido, the first oil field discovered by JAPEX (in production from 1956 to 1961)
Discovered Sarukawa oil field in Akita (Commenced production in 1959, still in production and operation)
Expanded the operation range overseas by revision to the Law of Japan Petroleum Exploration Co., Ltd.
Integrated into a newly established Japan Petroleum Development Corporation (JPDC)
Reorganized as a private company by separating from JPDC
Established Japex Offshore Ltd.
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)
Discovered Iwata-oki oil and gas field in Niigata (Commenced production in 1990, still in production and operation)
Commenced operation of the Niigata-Sendai Gas Pipeline
Commenced world’s first LNG tank container railway transportation
LNG tank containers on rail
Commenced commercial production of bitumen by the SAGD method in Hangingstone leases in Canada (End of our operation in 2021)
Listed on the First Section of the Tokyo Stock Exchange
Participated in the Kangean project in Indonesia
Commenced operation of the Yufutsu LNG Receiving Terminal
Participated in the shale gas project in Canada (End of our participation in 2021)
Commenced production of crude oil of the Garraf project in Iraq
Commenced operation of the mega-solar power station located at the Hokkaido District Office
Commenced operation of the Soma LNG Terminal
Commenced commercial operation of the Fukushima Natural Gas Power Plant