JAPAN PETROLEUM EXPLORATION CO LTD revenue for the last year amounted to 336.49 B JPY, the most of which — 97.72 B JPY — came from its highest performing source at the moment, Natural Gas, the year earlier bringing 59.27 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought JAPAN PETROLEUM EXPLORATION CO LTD 303.01 B JPY, and the year before that — 192.59 B JPY.