吉林大学学报(地球科学版) ›› 2020, Vol. 50 ›› Issue (3): 694-704.doi: 10.13278/j.cnki.jjuese.20190098
• 地质与资源 • 上一篇
高坤顺1, 叶涛1, 孙哲1, 鲁凤婷1, 陈心路1, 邓辉2
Gao Kunshun1, Ye Tao1, Sun Zhe1, Lu Fengting1, Chen Xinlu1, Deng Hui2
摘要: 精细划分变质岩储层类型,并建立不同类型储层与产能间的关系,对变质岩油田高效勘探开发具有重要意义。基于岩心、薄片、物性、常规测井、成像测井以及生产测井资料,深入剖析了渤海海域JZ25-1S油田太古宇潜山储层类型及其测井响应特征,重点探讨了不同类型储层的产能差异。结果表明:研究区主要发育风化壳型储层、内幕碎裂带型储层和内幕裂缝型储层,分别以溶蚀孔缝、破碎砾间孔以及构造裂缝为主要的储集空间类型,不同的储层具有不同的测井响应特征;定义单位厚度油产能大于2 m3/d为高效渗流储层,风化壳型储层与内幕碎裂带型储层为主要的高效渗流储层,内幕裂缝型储层的渗流能力变化较大;储层类型、裂缝密度、裂缝走向与最大主应力夹角等因素共同控制了变质岩储层的产能差异。
中图分类号:
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