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油层损害评价是试井分析与油层评价的重要组成部分.目前,油层损害评价主要是针对单层研究表皮系数的分解和计算泥浆污染深度,而矿场上多层合试很常见.有许多学者研究了多层合试的试井分析.迄今,还没有文献报道多层合试总表皮系数与分层表皮系数之间的关系.本文用数值模拟与试井分析方法结合研究它们之间的关系,它对油层损害评价和增产措施决策有指导作用.
Evaluation of reservoir damage is an important part of well test analysis and reservoir evaluation.At present, reservoir damage assessment mainly focuses on single-layer study of skin factor decomposition and calculation of mud contamination depth, We have studied the well test analysis of multi-layer combined test so far, no relationship between the total skin factor and the stratified skin coefficient has been reported in the literature.This paper uses numerical simulation and well testing method to study the relationship between them , It plays a guiding role in the decision of reservoir damage assessment and stimulation measures.