油气藏评价与开发 ›› 2024, Vol. 14 ›› Issue (3): 446-457.doi: 10.13809/j.cnki.cn32-1825/te.2024.03.014
收稿日期:
2023-05-22
出版日期:
2024-06-26
发布日期:
2024-07-10
通讯作者:
鞠玮(1988—),男,博士,副教授,主要从事非常规油气储层地应力学教学与教研。地址:江苏省徐州市大学路1号中国矿业大学南湖校区资源与地球科学学院,邮政编码:221116。E-mail: 作者简介:
梁孝柏(2000—),男,在读硕士研究生,主要从事油气储层地应力场与裂缝预测研究。地址:江苏省徐州市大学路1号中国矿业大学南湖校区资源与地球科学学院,邮政编码:221116。E-mail: 基金资助:
LIANG Xiaobai1,2(),JU Wei1,2(
)
Received:
2023-05-22
Online:
2024-06-26
Published:
2024-07-10
摘要:
川南深层页岩气是中国天然气增储上产的重要领域。断层连通性是影响深层页岩气储层渗透性能、单井产能的重要因素,前期多针对断层形态、组合样式开展研究,鲜有断层连通性的系统量化评价。研究以川南泸州中区五峰组页岩气储层多级断层为研究对象,利用拓扑结构分析方法研究断层网络拓扑结构,并对其连通性进行定量评价,结果显示:泸州中区五峰组断层发育,断层网络分支的平均连接点数为1.12,可形成高渗通道,有利于页岩气的运移。研究区中部及南部断层产状分散度、断层长度分散度和断层密度均较大,连接型节点、分支数量多,有利于提高断层连通性,其连通性评价结果优于其他区域,具备一定的潜在高产井可能。
中图分类号:
梁孝柏, 鞠玮. 基于拓扑结构分析的断层连通性评价——以川南泸州中区深层页岩气储层多级断层为例[J]. 油气藏评价与开发, 2024, 14(3): 446-457.
LIANG Xiaobai, JU Wei. Fault connectivity evaluation based on topological structure analysis: A case study of multi-stage faults of deep shale gas reservoirs in central Luzhou Block, southern Sichuan[J]. Petroleum Reservoir Evaluation and Development, 2024, 14(3): 446-457.
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