Changes

We often assume that a structure remains static when charged by petroleum. Traps may be charged during structural growth, and accumulations can be partially or completely spilled by later structural deformation.

We often assume that a structure remains static when charged by petroleum. Traps may be charged during structural growth, and accumulations can be partially or completely spilled by later structural deformation.

Traps charged during structural growth are not destroyed by spillage as long as the trapping geometry is maintained during deformation because petroleum migrates with the structural closure much faster than the rate of structural growth.<ref name=ch11r15>Hubbert, M., K., 1953, Entrapment of petroleum under hydrodynamic conditions: AAPG Bulletin, vol. 37, p. 1954–2026.</ref> Conversely, if structural closure is destroyed during deformation, spillage occurs rapidly.

Traps charged during structural growth are not destroyed by spillage as long as the trapping geometry is maintained during deformation because petroleum migrates with the structural closure much faster than the rate of structural growth.<ref name=ch11r15>Hubbert, M., K., 1953, [http://archives.datapages.com/data/bulletns/1953-56/data/pg/0037/0008/1950/1954.htm Entrapment of petroleum under hydrodynamic conditions]: AAPG Bulletin, vol. 37, p. 1954–2026.</ref> Conversely, if structural closure is destroyed during deformation, spillage occurs rapidly.

[[file:predicting-preservation-and-destruction-of-accumulations_fig11-1.png|thumb|{{figure number|1}}Modified.]]

[[file:predicting-preservation-and-destruction-of-accumulations_fig11-1.png|thumb|{{figure number|1}}Modified.]]