hiː wʌz ɪnvˈɑːlvd wɪð ˌoʊʃənəɡɹˈæfɪk ɹᵻsˈɜːtʃ ænd pətɹˈoʊliːəm ɛksploːɹˈeɪʃən baɪ vˈɛɹiəs kˈʌmpəniz ðæt hiː ɪnˈɪʃɪˌeɪɾᵻd.
He was involved with oceanographic research and petroleum exploration by various companies that he initiated.