首先通过求解模糊综合评判的逆问题,得到各因素对压裂酸化选井选层影响的重要程度,然后对比分析了当某一因素缺少时变权和常权选井结果与现场实际情况的贴近程度,发现变权评判结果比常权评判结果更合理。通过对比不同因素缺少时变权评判结果,发现缺少的因素越重要,评判结果与现场实际符合程度越低。

Firstly, the converse of fuzzy integrated evaluation is   solved and the importance of every factor for wells and layers choice of fracturing and acidizing is aware. Then when one factor is absent, the degree according  with the field practice that is calculated by constant weight evaluation method(CWEM) is compared with the degree calculated by variable weight evaluation  method(VWEM). It is showed that results calculated by VWEM are more accurate than results calculated by CWEM. Thirdly, when one different factor is absent.  Different results calculated by VWEM are compared with each other. it is discovered that more important factor is absent, The degree according with field  practice is more bad.