页岩气富集与高产的地质因素和过程

被引：52

作者：

范昌育 ^{[1
,2
]}

王震亮 ^{[1
,2
]}

机构：

[1] 大陆动力学国家重点实验室(西北大学)

[2] 西北大学地质学系

来源：

石油实验地质 | 2010年 / 32卷 / 05期

关键词：

热成熟度; 超压; 富集; 裂缝; 页岩气;

D O I：

暂无

中图分类号：

P618.13 [石油、天然气];

学科分类号：

摘要：

在查阅大量页岩气研究文献的基础上,考虑到页岩气藏的独特性,结合与其它页岩气藏的横向对比,重点剖析并初步总结了影响美国Fort Worth盆地密西西比系Barnett页岩气富集与高产的地质因素,提出了相应的地质过程概念模型,以期对即将到来的中国页岩气的评价、勘探与开发有些许启示。分析认为,在诸多影响因素中,热成熟度、造成页岩易压裂性因素的存在以及二者的有效匹配,是页岩气能否富集与高产的最重要的因素,其地质过程可归纳为3个阶段,即低熟微裂缝开启生物气逸散阶段、高熟微裂缝胶结裂解气富集阶段、压裂微裂缝开启页岩气高产阶段。

引用

页码：465 / 469

页数：5

共 20 条

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