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Petroleum System - Coggle Diagram
Petroleum System
!! Generation !!
Meaning "Hydrocarbon
Formation
"
Location:
Source Rock
Organic
Rich
Sediments
Exist from
deposition
:
Offshore
Deep Marine
Onshore
Deltaic / River Delta
Lacrustine / Lake
Composed of:
Dead organism
and
plants
Submitted to:
High
Temperature
High
Pressure
End results:
Hydrocarbon
Long
Period
!! Migration!!
Meaning "
Movement
of Hydrocarbon"
Due to
buoyancy
of petroleum
Location:
Source Rock
===>
Reservoir Rock
Factors
of migration
Porosity
Permeability
!! Accumulation !!
Meaning "
Settlement
/
Trapping
of Hydrocarbon"
Location:
Reservoir Rock
<<
Requirements
>>
Cap Rock
Impervious
layer
Preventing
and
retaining
fluid movement
Forming a
Hydrocarbon
Trap
Reservoir Rock
Act as a
Hydrocarbon pool
Conventional
Reservoir
Overlying
Reservoir Rock
and
Cap Rock
Lower
Permeability
Unconventional
Reservoir
High
Porosity
; Low
Permeability
Without
Cap Rock