歧口凹陷火成岩岩相与储集空间特征研究
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摘要
对歧口凹陷火山口相、爆发相、溢流相、浅成侵入相、次火山岩相、火山通道相及火山沉积相等多种火成岩岩相的测井、地震反射特征进行了归纳总结,并对不同岩相火成岩的储集空间类型及储集性能的影响因素进行了综合分析,结果表明:岩相是影响储集性能的主要控制因素,随火成岩相带不同,其储集物性也不相同。其中,溢流相、爆发相含有大量的气孔、砾间孔缝,储集性能好,而次火山岩相、溢流相中部的致密带与侵入岩相似,原生孔缝不发育,储集性能较差;一些外部作用因素也会对火成岩的储集性能产生较大的影响。
In this paper,we concluded the features of logging and seismic reflection about different lithofacies of igneous rock(crater,eruption,effusion,shallow invasion,secondary volcanic,volcanic vent,volcanogenic,etc.).We also discussed comprehensively the factors controlling types of reservoir space and ability of reservoir accumulation in different lithofacies igneous rock.The results indicate that the lithofacies would be the main factor to affect the ability of reservoir accumulation.The different lithofacies of igneous rock are associated with the different physical property of reservoir.The external action also affects the different physical property of volcanic reservoir.The correlation between lithofacies of igneous rock and reservoir space will make a significant role to guide the igneous exploration in this area.
In this paper,we concluded the features of logging and seismic reflection about different lithofacies of igneous rock(crater,eruption,effusion,shallow invasion,secondary volcanic,volcanic vent,volcanogenic,etc.).We also discussed comprehensively the factors controlling types of reservoir space and ability of reservoir accumulation in different lithofacies igneous rock.The results indicate that the lithofacies would be the main factor to affect the ability of reservoir accumulation.The different lithofacies of igneous rock are associated with the different physical property of reservoir.The external action also affects the different physical property of volcanic reservoir.The correlation between lithofacies of igneous rock and reservoir space will make a significant role to guide the igneous exploration in this area.
引文
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[2]Du Xudong,Zhang Yiwei,Qi Jiafu.Characteristic and neogen-ic structural situation of lie low volcanic rock series of mesozoicin huanghua depression[J].Journal of Chinese Academy of Ge-ological Sciences,1999,20(1):30-38.[杜旭东,张一伟,漆家福.黄骅坳陷中生代隐伏火山岩系的特征及其形成的构造环境[J].中国地质科学院院报,1999,20(1):30-38.]
[3]Wang Pujun,Chi Yuanlin,Liu Wanzhu,et al.Type、character-istic and reservoir intent of volcanic phase in Songliao basin[J].Joural of Jilin University:Geoscience Edition,2003,33(4):449-456.[王璞?,迟元林,刘万洙,等.松辽盆地火山岩相:类型、特征和储层意义[J].吉林大学学报:地球科学版,2003,33(4):449-456.]
[4]Guo Keyuan,Cai Guogang,Luo Haibing,et al.Characteristicand accumulation condition of volcanic reservoir in Ou Lituoziarea,Liaohe basin[J].Natural Gas Geoscience,2002,13(3/4):60-66.[郭克园,蔡国刚,罗海炳,等.辽河盆地欧利坨子地区火山岩储层特征及成藏条件[J].天然气地球科学,2002,13(3/4):60-66.]
[5]Yang Limin,Zou Caineng,Ran Qiquan,et al.Fractured reser-voir characteristic and its control factors of volcanic rock inZaoyuan field,Dagang[J].Sedimentaty and Thetis Geology,2007,27(1):86-91.[杨立民,邹才能,冉启全,等.大港枣园油田火山岩裂缝性储层特征及其控制因素[J].沉积与特提斯地质,2007,27(1):86-91.]
[6]В.И.Иванников.Several theory problems about oil and gasorigin and accumulation[J].Translator:Shi Dou.Natural GasGeoscience,1996,7(3):28-34.[伊万尼科夫(俄罗斯).史斗编译.油气形成及其聚集成藏的若干理论问题[J].天然气地球科学,1996,7(3):28-34.]
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