The total amount of fluid expected to be produced from a given reservoir before the end of economic fluid production.
It can be applied to any fluid production: water, oil or gas.
In Petroleum Upstream it usually means Based on context may mean either Estimated Ultimate Oil Recovery (EUOR) or Estimated Ultimate Gas Recovery (EUGR).
In both cases it means refers to the maximum recoverable volume of Hydrocarbon Reserves (HCR).
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