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Fault seal analysis is used to determine the level of connectivity of a separate reservoir due to fault segments. This is controlled by the permeability and porosity parameters of rocks that are in the fault section. Fault segment that becomes insulating if it has high porosity and permeability values will channel hydrocarbon fluid to the surface. So that the fault is one of the traps that are good for hydrocarbons. There is a mechanism where a fault can be a seal of fluid <ref name=Watts_1987>Watts, N. 1987. Theoretical aspects of cap-rock and fault seals for single- and two-phase hydrocarbon columns: Marine and Petroleum Geology, v. 4, p. 274–307.</ref> <ref name=Knipe_1992>Knipe, R. J., 1992. Faulting processes and fault seal: Structural and tectonic modelling and its application to petroleum geology, Elsevier p. 325-342.</ref>:

Fault seal analysis is used to determine the level of connectivity of a separate reservoir due to fault segments. This is controlled by the permeability and porosity parameters of rocks that are in the fault section. Fault segment that becomes insulating if it has high porosity and permeability values will channel hydrocarbon fluid to the surface. So that the fault is one of the traps that are good for hydrocarbons. There is a mechanism where a fault can be a seal of fluid <ref name=Watts_1987>Watts, N., 1987, Theoretical aspects of cap-rock and fault seals for single- and two-phase hydrocarbon columns: Marine and Petroleum Geology, v. 4, p. 274–307.</ref><ref name=Knipe_1992>Knipe, R. J., 1992, Faulting processes and fault seal: Structural and tectonic modelling and its application to petroleum geology, Elsevier p. 325-342.</ref>:

[[file:GumelarFigure1.jpg|thumb|300px|{{figure number|1}}Schematic illustration showing the presence of hydrocarbon traps (fault blocks) of normal faults by the interbedded between sandstones and shale (modified from <ref name=Færseth_2006>Færseth, R. B., 2006. Shale smear along large faults: Continuity of smear and the fault seal capacity: Journal of the Geological Society, v. 163, no. 5, p.741-751.</ref>).]]

[[file:GumelarFigure1.jpg|thumb|300px|{{figure number|1}}Schematic illustration showing the presence of hydrocarbon traps (fault blocks) of normal faults by the interbedded between sandstones and shale (modified from <ref name=Færseth_2006>Færseth, R. B., 2006. Shale smear along large faults: Continuity of smear and the fault seal capacity: Journal of the Geological Society, v. 163, no. 5, p.741-751.</ref>).]]