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本文基于我国６大油区１５０个水驱砂岩油藏的资料，建立了确定采收率的相关经验公式。利用该公式可以预测新发现油藏的采收率。
Based on the data of 150 water-flooding sandstone reservoirs in six major oil-producing areas in China, the empirical formula for determining oil recovery is established. Use this formula to predict oil recovery in newly discovered reservoirs.