| Presence of hydrodynamic conditions Fluid contact dip angles and directions are constant over the field despite facies changes. Oil-water contact has a steeper dip than the gas contacts, but all contacts dip in the same direction Significant dip to gas contacts are rare
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| Presence of hydrodynamic conditions Fluid contact [[dip]] angles and directions are constant over the field despite facies changes. Oil-water contact has a steeper dip than the gas contacts, but all contacts dip in the same direction Significant dip to gas contacts are rare