Khoshbakht Yusifzadeh played a major role in the discovery of more than 20 oil and gas fields in the Azerbaijani sector of the Caspian Sea, President of the Azerbaijan National Academy of Sciences (ANAS) Isa Habibbayli said at the farewell ceremony for academician Khoshbakht Yusifzadeh, Report informs.

He noted the great merit of Khoshbakht Yusifzadeh in the discovery of the well-known oil and gas fields of Azeri-Chirag-Guneshli, Absheron, Umid, etc.