Predicting hydrocarbon migration and accumulation in Block 09-3/12, Cuu Long basin by 3D petroleum system modelling
Abstract
Block 09-3/12 is located to the southeastern margin of the Cuu Long basin. Up until now five wells have been drilled in the block, resulting in discoveries at two fields, Soi Main and Central A. In this study, 3D petroleum system modelling has been used for determining the kitchen areas as well as evaluating hydrocarbon migration and accumulation for the remaining prospects in Block 09-3/12. The petroleum system modelling indicates that the Oligocene source rock is the major source for the prospects in Block 09-3/12. The kitchen area for the Central and Western A structures is the East Bach Ho trough, while the kitchen in the Southeast Soi area is the main source for the Southeast A structure. The simulation results predict the presence of oil accumulations in Lower Miocene and Oligocene reservoirs for the A structure.
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