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Petroleum System: Reservoir, Seal & Trap - Coggle Diagram

- - - - Pore space / voids, that is generally filled with water, but contains oil or gas within it
      - percentage of the rock
      - Effective porosity = connected porosity
    - - Ability of fluids to pass through a porous material
- - - - An impermeable layer of rock that forms a barrier or cap above and around a reservoir rock to helps prevent fluids from migrating beyond the reservoir
      - Usually composed of shale, chalks, clays, anhydrite or salt, a seal
    - - geological structure that affects the reservoir rock and caprock of a petroleum system allowing the accumulation of hydrocarbons in a reservoir
  - - - Caused by structural features
      - Formed from tectonic event
    - - Caused by changes of rock quality
    - - Combine more than 1 type of trap (Hydrodynamic trap - uncommon)