por Middle East Oil Show (8 : 1993 : Manama, Bahrain) | Society of Petroleum Engineers (Estados Unidos).
por Middle East Oil Show (1995 : Bahrain) | Society of Petroleum Engineers (Estados Unidos).
por Middle East Oil Show (1997 : Bahrain) | Society of Petroleum Engineers (Estados Unidos).
por Middle East Oil Show (1999 : Bahrain) | Society of Petroleum Engineers (Estados Unidos).
por Middle East Oil Show (6 : 1989 : Bahrain Exhibition Centre) | Society of Petroleum Engineers (Estados Unidos).
por Middle East Oil Show (7 : 1991 : Manama, Bahrain) | Society of Petroleum Engineers (Estados Unidos).
por Spe Middle East Oil Show (17-20 March 2001 : Bahrain).