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Part of current Drainable Oil which is going to be recovered with positive profitability:
Drainable Oil = Profitable Oil Recovery + Non-profitable Oil Recovery
The Non-drainable Oil is a result of deviation from the current Field Development Plan (FDP) or mistakes in FDP itself, for example, the overestimation of OR.
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Oil In Place (OIP)/ Oil Reserves (OR) / Drainable Oil
[ Hydrocarbon Reserves ] [ Gas reserves ]
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