--> Abstract: Namibia--A New Prospective Hydrocarbon Province, by M. P. R. Light, M. P. Maslanyj, R. J. Greenwood, I. W. Horn, K. Davidson, N. L. Banks, and McHengari; #91012 (1992).

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ABSTRACT: Namibia--A New Prospective Hydrocarbon Province

LIGHT, MALCOLM P. R., M. P. MASLANYJ, R. J. GREENWOOD, I. W. HORN, K. DAVIDSON, N. L. BANKS and MCHENGARI, Intera Information Technologies, Henley on Thames, Oxford, U.K.

The passive margin offshore Namibia, some 1400 km long, consists of four basins flanked to the west by the Marginal Ridge. In the south, the Orange Basin has been the depocenter for the Orange River since at least the Early Cretaceous. Major stratigraphic, graben, and deep marine sand plays combined with oil and gas finds indicate the

potential of the Orange Basin for large hydrocarbon discoveries. Three other basins--The Luderitz, Walvis, and Namibe--are undrilled. Plays within the narrow Luderitz Basin are stratigraphic or deep marine, whereas major structural, graben, and deep marine plays are abundant in the Walvis and Namibe basins farther north. The Namibe Basin, more akin to the Angola Basin, is separated from the Walvis Basin by the Walvis Ridge--a major Cretaceous volcanic feature. Three superimposed rift events are recognized, and several potential source and reservoir rocks are known to exist. Some 122 structural closures have been defined by a regional seismic grid acquired by Intera/HGS in the Walvis and Namibe basins, but their proper qualitative assessment will require further seismic and borehole de ineation.

 

AAPG Search and Discovery Article #91012©1992 AAPG Annual Meeting, Calgary, Alberta, Canada, June 22-25, 1992 (2009)