The values of closing property subordinateness in the Upper Shihezi Formation of Upper Permian are much higher than those in the other intervals, which controls the regional natural gas accumulation. 上二叠统上石盒子组的封闭隶属度值明显高于其他层段,并且对区域性天然气富集有控制作用。
The key of the fuzzy and comprehensive evaluation method is to determine the subordinateness and weights of evaluation factors, however, the determination of the subordinateness and weight is always greatly influenced by human factors, which may seriously affect the reasonableness of the evaluation results. 模糊综合评价方法的关键在于评价因素的隶属度和权重的确定,而隶属度和权重的确定往往受人为因素的影响很大,这必然会严重影响评价结果的合理性。