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《NATURAL GAS INDUSTRY》 1998-03
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APPLICATION OF FUZZY MATHEMATICS TO FRACTURING DESIGN

Jiang Tingxue(Langfang Branch of Research Institute of Petroleum Exploration and Developoment,CNPC)and Tian Zhanliang(Erlian Petroleum Exploration and Development Company of North China Petroleum Administration)  
The concerned principles of fuzzy mathematics are systematically applied to the selection of well and zone,to the research and determination of partial key design parameters and to the optimization decision of final fracturing plan in fracturing (including repeated fracturing)design,which is more reasonable than the single factor analysis method used in the past because of comprehensively considering many affecting factors and their being quantified on the basis of closely combining with practice.In addition,the obtained weight,which is determined by use of the grey associativity method in grey theory through organically combining furry mathematics with grey theory,basically tallies with the result by an experiential judgement.Three parts of the research are well linked from beginning to end,forming a system engineering.The study method is simple an suitable with strongly operating property on the spot.Through verifying by an example on the spot and examining by other reliable means,it is shown that the study result is of relatively high creditability.And a quite good benefit has been already obtained..
【CateGory Index】: TE357.1
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