Tuesday, January 20, 2015

Classification of Stratigraphic Traps

  • Not adjacent to unconformities

Facies-change traps involving current-transported reservoir rock

  1. Eolian (dunes or sheet)
  2. Alluvial fan
  3. Alluvial valley (braided stream, channel fill, point bar)
  4. Deltaic (distributary mouth or finger bars, sheet, channel fill)
  5. Nondeltaic coastal (beach, barrier bar, spit, tidal delta or flat)
  6. Shallow marine (tidal bar, sand belt, washover, shelf edge, shallow turbidite or winnowing)
  7. Deep marine (marine fan, deep turbidite or winnowing)

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