2Ekweozor C M, Daukoru E M. Northern delta depobeh portion of the Akata- Agbada petroleum system, Niger Delta, Nigeria [ C ]//Magoon L B, and Dow W G. , eds. The Petroleum System: From Source to Trap. AAPG Memoir, 1994, 60:599-614.
3Evamy B D, Haremboure J, Kamerling P, et al. Hydrocarbon habitat of Tertiary Niger Delta[ J]. AAPG Bulletin, 1978, 62( 1 ) : 1-39.
4Whiteman A. Nigeria- Its Petroleum Geology, Resources, and Potential [C]. London, Graham and Trotman, 1982:394.
5Petters S W. Regional Geology of Africa[ M]. Springer-Verlag, 1991.
