Changes

** Pressure

** Pressure

** Lithology

** Lithology

*  Primary migration

*  [[Primary migration]]

|-

|-

| After accumulation

| After accumulation

|

|

*  Secondary migration  

*  [[Secondary migration]]

*  Maturation processes  

*  Maturation processes  

*  Alteration processes

*  Alteration processes

** [http://www.oiltracers.com/services/exploration-geochemistry/oil-biodegradation.aspx Biodegradation]

** [http://www.oiltracers.com/services/exploration-geochemistry/oil-biodegradation.aspx Biodegradation]

** Water washing

** Water washing

** Asphaltene precipitation

** [[Asphaltene]] precipitation

** Weathering

** Weathering

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