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| initial formation pressure |
| cumulative reservoir fluid balance | ||||||||||||
| field-average BHP in producers |
| cumulative offtakes by the time moment
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| field-average BHP in injectors |
| cumulative intakes by the time moment
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| cumulative volumetric inflow from gas cap expansion | |||||||||||||
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| cumulative volumetric inflow from aquifer expansion | |||||||||||||
| effective formation thickness averaged over drainage area |
...