TY - BOOK AU - Ofurhie,Mac AU - Okpere,Kisito AU - Okpere,Kisito ED - World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro, Brasil) TI - Nigeria deep offshore: Appraisal of activities from 1991 to 2001 and future challenges U1 - CD W938 2 0013940 ER -