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模糊识别理论在乌里亚斯太油藏压裂中的应用
断块油气田
2006年 13卷 第04期
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Title
Application of Fuzzy Logica l Theory in R eservoir Fracturing in Wuliyastai
Authors
Zeng Fanhui,Guo
Jianchun, La i W eirong ,e t al
单位
( 1 油气藏地质及开发工程国家重点实验室, 四川成都610500; 2 西南分公司川北采收处, 四川阆中637402)
Organization
State K ey Laboratory of O il and Gas
Reservoir Geology and Explo itation, Southwe st
Petro leum Institute, Chengdu 610500, China
摘要
对二连油田乌里亚斯太地区的23口开发井和探井的地质参数、生产动态参数、
压裂施工参数以及它们的压裂效果进行了统计和分析。根据模糊识别理论, 建立了各影响因
素与压裂效果之间的模糊关系。压裂候选井的选择, 最终可以通过欧氏贴近度的大小进行定
量判断; 通过对施工参数的敏感性分析, 可以优选出最佳的施工参数。应用建立的模型对该地
区的几口未知样品井进行了预测, 预测效果与实际情况具有很好的吻合性, 表明了该方法用来
进行压裂选井选层是可行的。
Abstract
Th is article ana ly zes the frac tur ing e ffect o f 23 fractured
w e lls in W uliyasta i based on the geo log ical parame ters,
dynam ic produc tion pa rame ters and construc tion parame ters.
According to the fuzzy log ica l theo ry, a fuzzy identify ing
m athem atica l mode l has been se t up. The cho ice of the
cand idate we lls for fracturing can be fina lly de term ined by the
number o f the Euc lid approach degree, Based on the fuzzy
m ode l to predict som e unknow n w ells, the re is a good
accordance w ith the actua l results. Th is revea ls that th is
m ethod is applicable.
关键词:
模糊识别; 优选; 压裂; 选井选层; 施工参数;
Keywords:
Fuzzy theory, Fractur ing, Optim ization,
Cho ice o f we ll and fo rm ation, Construction param eters;