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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 15 (1931)

Issue: 1. (January)

First Page: 61

Last Page: 66

Title: Effect of Salt Domes on Accumulation of Petroleum

Author(s): Donald C. Barton (2)


The source of petroleum has not been shown to have any genetic connection with salt domes. In the migration of petroleum, the major effects of a salt dome are to accelerate lateral migration and to direct migration toward the dome; the minor effect is to facilitate vertical migration through faults and fissures. Localization of accumulation in super-cap (super-salt) sands is due to simple anticlinal trapping in sands under hydraulic head; in cap-rock fields it is due to unconformity trapping and limestone porosity; and in flank fields it is due to traps of many types in sands under hydraulic head. The most important types of traps are the fault with downthrow on the down-dip side, sand lens, unconformity, and shale porosity. Lateral localization of accumulation around a d me is controlled by faulting, porosity, and continuity or lack of continuity of sands.

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