董雪梅,查明,蒋宜勤,陈中红,范小秦,张勇,陈国军

• 1:中国石油新疆油田分公司勘探开发研究院
• 2:中国石油大学(华东)地球科学与技术学院

摘要(Abstract)：

通过岩心观察、薄片鉴定,对新疆北部石炭系火山岩储集空间类型进行划分.依据火山岩岩性岩相分类及火山岩储层孔隙类型、演化模式以及储层物性控制因素的差异,建立了火山岩储层孔隙演化模式.依据后生成岩作用的不同,建立了火山岩储层成因模式.结果表明:该区火山岩储集空间可以划分为4种原生孔隙、4种次生孔隙和4种裂缝类型.火山岩可归纳为4种:基性-中性溢流相的玄武岩和安山岩、中酸性溢流相的英安岩和流纹质英安岩、爆发相的火山角砾岩和爆发相的凝灰岩.分别建立了基性-中性溢流相的玄武岩、安山岩储层和爆发相火山角砾岩储层孔隙演化模式.建立了风化壳型火山岩储层和内幕型火山岩储层2种火山岩储层的成因模式.这2类储层早期都经历了成岩作用阶段的冷凝作用、火山活动后期的热液作用以及火山喷发间歇期的表生作用,后期由于构造作用、埋藏作用的不同产生分化.

关键词(KeyWords)： 火山岩;孔隙演化模式;储层成因模式;石炭系;新疆北部

Abstract:

Keywords:

基金项目(Foundation): 国家“973”项目(编号:2011CB201101);; 中石油新疆油田分公司重大项目“新疆北部石炭系火山岩油气地质理论、核心技术与勘探重大突破”

作者(Author): 董雪梅,查明,蒋宜勤,陈中红,范小秦,张勇,陈国军

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