Japan Petroleum Exploration Co., Ltd. revenue for the last year amounted to 2.15 B USD, the most of which — 735.54 M USD — came from its highest performing source at the moment, Natural Gas, the year earlier bringing 486.89 M USD. The greatest contribution to the revenue figure was made by Japan — last year it brought Japan Petroleum Exploration Co., Ltd. 2.28 B USD, and the year before that — 1.58 B USD.