二连盆地白垩系火山岩储层特征及有利储层预测
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摘要
通过岩心、岩屑及显微结构观测,系统分析了二连盆地洪浩尔舒特凹陷火山岩储层的岩石学特征、储集空间特征及其影响因素。研究结果表明,岩性主要为安山岩,其次为凝灰岩和少量火山角砾岩,岩相主要有爆发相、喷溢相、喷发沉积相和火山通道相,储集空间类型主要有原生气孔、次生溶孔、裂缝及其组合型,储层物性主要受火山岩岩相类型、成岩作用和构造活动影响,其中以岩相和构造影响最为明显,结合地震储层参数反演预测结果,认为该凹陷中央洼槽靠近断裂附近的喷溢相为火山岩有利储层发育区。
The paper systematically analyzes the petrology characteristics,reservoir space characteristics and influence factors of volcanic rock reservoirs in Honghao’ershute depression of Erlian basin based on the observation of core,debris and microscope structures.The result shows that the lithology is composed of andesite which is the most,tuff which is the second and a little of volcanic breccia;the lithofacies include explosive facies,effusive facies,eruption-deposition facies and volcanic conduit facies;the reservoir spaces are composed of primary pores,secondary pores,fractures and their combination;reservoir property is mainly affected by volcanic rock lithofacies,diagenetic action and tectonic movement,in which the effect of lithofacies and tectonic movement is most obvious.The study result in combination with seismic reservoir inversion results shows that it is considered that the effusive facies near the faults of middle depression is the favorable reservoir zone.
The paper systematically analyzes the petrology characteristics,reservoir space characteristics and influence factors of volcanic rock reservoirs in Honghao’ershute depression of Erlian basin based on the observation of core,debris and microscope structures.The result shows that the lithology is composed of andesite which is the most,tuff which is the second and a little of volcanic breccia;the lithofacies include explosive facies,effusive facies,eruption-deposition facies and volcanic conduit facies;the reservoir spaces are composed of primary pores,secondary pores,fractures and their combination;reservoir property is mainly affected by volcanic rock lithofacies,diagenetic action and tectonic movement,in which the effect of lithofacies and tectonic movement is most obvious.The study result in combination with seismic reservoir inversion results shows that it is considered that the effusive facies near the faults of middle depression is the favorable reservoir zone.
引文
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[13]邱家骧,陶奎元,等.火山岩[M].北京:地质出版社,1996:10-22.
[14]赵澄林,孟卫工,金春爽,等.辽河盆地火山岩与油气[M].北京:石油工业出版社,1999:12-25.
[2]仇劲涛,罗海炳,王国勇.东部凹陷中段火山岩成藏条件分析[J].特种油气藏,2001,8(1):57-62.
[3]Hawlander H M.Diagenesis and resevoir potential of vol-canogenic sandstones-Cretaceous of the Surat Basin,Australia[J].Sedimentary Geology,1990,66(3/4):181-195.
[4]喻高明,李金珍,刘德华,等.火山岩油气藏储层地质及开发特征[J].特种油气藏,1998,5(2):60-64.
[5]Kawamoto Tomohisa,Sato Kozo.Geological modelling of aheterogeneous volcanic reservoir by the petrological meth-od[C].SPE59407,2000:1-8.
[6]路波,赵萍.火山岩的分布及其对油气藏的作用[J].特种油气藏,2004,11(2):17-20.
[7]罗静兰,邵红梅,张成立.火山岩油气藏研究方法与勘探技术综述[J].石油学报,2003,24(1):31-38.
[8]张新荣,王东坡.火山岩油气储层特征浅析[J].世界地质,2001,20(3):272-278.
[9]谢庆宾,韩德馨,朱筱敏,等.三塘湖盆地火成岩储集空间类型及特征[J].石油勘探与开发,2002,29(1):84-86.
[10]张子枢,吴邦辉.国内外火山岩油气藏研究现状及勘探技术调研[J].天然气勘探与开发,1994,16(1):1-26.
[11]王璞珺,陈树民,刘万洙,等.松辽盆地火山岩相与火山岩储层的关系[J].石油与天然气地质,2003,24(1):22-29.
[12]徐正顺,王渝明,庞彦明,等.大庆徐深气田火山岩气藏储集层识别与评价[J].石油勘探与开发,2006,33(5):524-532.
[13]邱家骧,陶奎元,等.火山岩[M].北京:地质出版社,1996:10-22.
[14]赵澄林,孟卫工,金春爽,等.辽河盆地火山岩与油气[M].北京:石油工业出版社,1999:12-25.
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