Unlike other geological techniques and phenomenon for the identification of fault behavior and defining the petroleum system, this study deals with the delineation of faults and gas chimneys for understanding the petroleum system present. Both of these features are self sufficient for achieving the objective. Gas chimneys can provide great information about source, migration path and the accumulation area. Faults carry a vital importance; they can restrict the hydrocarbons in a place by their sealing behavior or act as a conduit for the passage of fluids. Understanding the faults behavior from the gas migration and associated features provides an extra dimension with accurate results. These features are worth studying as they provide information about migration path and helps to define the petroleum system.Faults may act as preferred pathways for fluid migration when permeability of the fault or fault segments becomes higher than the surrounding country rocks.


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