こくさいせきゆかいはつ 国際石油開発 LinksSentence search for 国際石油開発Sentence search for こくさいせきゆかいはつKanji details for 国, 際, 石, 油, 開 and 発Edit in JMdict Noun1. INPEX (Japanese petroleum company)Company nameCompany2. INPEX (Japanese petroleum company) Discussions Log in to talk about this word.