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根据大量的国内外水驱油田的开发经验，建立了水驱油田的稳产模式图。总结了影响油田稳产期结束时的可采储量采出程度的４个主要因素：稳产期的可采储量采油速度；油层的地质、物理特性；油田的调整措施；可采储量的增加。根据这一模式，统计了７０个中国水驱砂岩油田和１３个前苏联水驱砂岩油田资料，进行多元回归，分别得到了它们的油田稳产期结束时的可采储量采出程度的计算公式，这２个公式具有较好的一致性。
According to a large number of domestic and international experience in the development of waterflooding oilfields, a steady production pattern of waterflooding oilfields has been established. The main factors influencing the production recovery of recoverable reserves at the end of the stable production period are summarized as follows: the recovery rate of recoverable reserves during the stable period; the geological and physical characteristics of the reservoir; the adjustment measures of the oilfields; and the increase of recoverable reserves. According to this model, the data of 70 water-flooding sandstone oilfields in China and 13 water-flooding sandstone oilfields in the former Soviet Union have been counted and multiple regression has been carried out. The formula for recoverable reserves recovery at the end of stable oil production period has been obtained. These two formulas have better consistency.