This model fits the accumulative wells and petroleum reserves in Dongying sag, better than simple exponential decline model and subsection exponential decline model, and predicates the future exploration benefit and accumulative petroleum reserve.

• 与简单指数下降模型和分段指数下降模型相比，该模型能更好地拟合东营凹陷累计探井数和累计探明地质储量数据，并能够对未来勘探效益变化和累计探明地质储量做出合理的预测。