Based on the statistical data for the sufficient degree of 137 sand bodies in Jiyang sag to calculate the characteristic value, and make the distribution map of factor loading.
根据济阳坳陷137个砂体充满度的统计数据，计算了特征值，作出了因子载荷分布图。
2
A quantitative evaluation of the fault sealing of Chenbao area in Gaoyou sag is made by applying synthetic fuzzy judgment integrated with shale smear factor method.
Finally, on the basis of forming reservoir rule and its geologic condition, we can make certain oil and gas reservoir master control factor and favorable exploration target in Bonan sub sag.