缝洞性碳酸盐岩储层酸压效果影响因素研究
Drilling & Production Technology(2013)
Abstract
塔里木碳酸盐岩储层表现为缝洞性、非均质性强等特点,对酸压改造效果带来诸多不确定因素。统计选出哈拉哈塘油田酸压效果的九项影响因素,对影响因素采用灰色关联法从定量上分析出主次排序。研究结果表明,与酸压效果关联度最大的前四项因素依次是裂缝密度、储层级别、自然伽马和深浅侧向电阻率比,而用酸强度、施工排量和孔隙度等与酸压效果关联度较弱。
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Key words
influential factor,acid fracturing,fracture-cavity carbonate rock reservoir,grey relative analysis method
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