THE RESEARCH OF VARIABLE WEIGHT EVALUATION METHOD IN WELLS AND LAYERS CHOICE FOR GAS WELLS FRACTURING AND ACIDIZING
Received date: 2004-08-13
Revised date: 2004-10-12
Online published: 2004-12-20
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.
YANG Xiao-song, SUN Lei, ZHANG Guo-qiong, LIU Yong-bing, SUN Liang-tian . THE RESEARCH OF VARIABLE WEIGHT EVALUATION METHOD IN WELLS AND LAYERS CHOICE FOR GAS WELLS FRACTURING AND ACIDIZING[J]. Natural Gas Geoscience, 2004 , 15(6) : 640 -645 . DOI: 10.11764/j.issn.1672-1926.2004.06.640
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