A [[migration]] pathway map is a fundamental tool for prospect assessment and field development. In simple migration pathway maps, arrows are drawn perpendicular to structural [[contour]]s. However, migration pathway maps must also define those [[Fault trap regime|faults]] and those parts of faults that juxtapose sand with sand as well as those faults that [[Cross-sealing faults|cross-seal]] or [[Cross-leaking faults|cross-leak]] and [[Dip-sealing faults|dip-seal]] or [[Dip-leaking faults|dip-leak]].
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A [[migration]] pathway map is a fundamental tool for prospect assessment and field development. In simple [[migration pathway]] maps, arrows are drawn perpendicular to structural [[contour]]s. However, migration pathway maps must also define those [[Fault trap regime|faults]] and those parts of faults that juxtapose sand with sand as well as those faults that [[Cross-sealing faults|cross-seal]] or [[Cross-leaking faults|cross-leak]] and [[Dip-sealing faults|dip-seal]] or [[Dip-leaking faults|dip-leak]].