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==Laterally drained petroleum systems==

==Laterally drained petroleum systems==

[[file:petroleum-systems_fig3-24.png|thumb|{{figure number|4}}laterally drained petroleum system, patterned after the Eastern Venezuelan Basin. From Demaison and Huizinga.<ref name=ch03r4 />]]

[[file:petroleum-systems_fig3-24.png|300px|thumb|{{figure number|4}}laterally drained petroleum system, patterned after the Eastern Venezuelan Basin. From Demaison and Huizinga.<ref name=ch03r4 />]]

According to Demaison and Huizinga,<ref name=ch03r4 /> laterally drained petroleum systems have a laterally continuous seal overlying a laterally continuous reservoir. This reservoir/seal couplet is generally contained within a long, uninterrupted ramp. Provinces with these systems have low to moderate structural deformation. Tectonic stability is critical for maintaining seal integrity. Laterally drained systems are most commonly found in fore-deep and cratonic sag basins. Plunging low-amplitude arches are necessary for connecting traps to the pod of active source rock. The Ellesmerian(!) petroleum system is an example of a laterally drained system.

According to Demaison and Huizinga,<ref name=ch03r4 /> laterally drained petroleum systems have a laterally continuous seal overlying a laterally continuous reservoir. This reservoir/seal couplet is generally contained within a long, uninterrupted ramp. Provinces with these systems have low to moderate structural deformation. Tectonic stability is critical for maintaining seal integrity. Laterally drained systems are most commonly found in fore-deep and cratonic sag basins. Plunging low-amplitude arches are necessary for connecting traps to the pod of active source rock. The Ellesmerian(!) petroleum system is an example of a laterally drained system.