地震属性分析在三塘湖盆地火山岩储层预测中的应用
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摘要
针对西部三塘湖盆地马朗三维连片区块石炭系火山岩埋藏深、岩性多样、成层性差、平面分布规律复杂等特点,从火山岩储层特征分析入手,以火山岩储层预测为主线,从单井地震相属性分析出发,井震结合,建立起主要目的层的火山岩有利储层与地震反射特征的对应关系,并充分运用多属性分析技术,通过提取石炭系目的层的三瞬属性、频率衰减梯度及反演等属性,综合利用多技术手段来预测研究区火山岩有利储层的分布规律,最终建立起一套适用于西部深层火山岩的储层预测的属性分析技术系列。
The Carboniferous volcanic rocks in the Malang 3D merged block in Santanghu Basin are characterized by deep burial depth,diversified lithology,poor layered property and complicated distribution pattern.This paper analyzes the characteristics of volcanic reservoirs and single well seismic facies based on logging and seismic data.The corresponding relationship between favorable volcanic rock reservoir and seismic reflection has been established.Distribution of favorable volcanic rock reservoirs is predicted by comprehensively using multiple techniques such as picking up instantaneous seismic attributes,frequency attenuation gradient and seismic inversion of the Carboniferous objective interval.A series of attribute analysis techniques has been established for prediction of deep volcanic rock reservoirs in western China.
The Carboniferous volcanic rocks in the Malang 3D merged block in Santanghu Basin are characterized by deep burial depth,diversified lithology,poor layered property and complicated distribution pattern.This paper analyzes the characteristics of volcanic reservoirs and single well seismic facies based on logging and seismic data.The corresponding relationship between favorable volcanic rock reservoir and seismic reflection has been established.Distribution of favorable volcanic rock reservoirs is predicted by comprehensively using multiple techniques such as picking up instantaneous seismic attributes,frequency attenuation gradient and seismic inversion of the Carboniferous objective interval.A series of attribute analysis techniques has been established for prediction of deep volcanic rock reservoirs in western China.
引文
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[2]刘为付,王永生,杜刚.松辽盆地徐家围子断陷营成组火山岩储集层特征[J].特种油气藏,2008,15(3):6-10.
[3]周超,董庆勇,许长斌.龙湾筒凹陷九佛堂组火山岩储层特征研究[J].特种油气藏,1999,6(3):13-18.
[4]刘俊田,张代生,黄卫东,等.三塘湖火山岩地震和测井识别技术及应用[J].岩性油气藏,2009,21(4):87-91.
[5]夏步余,谌廷姗.地震技术在火成岩发育区开发中的应用[J].石油物探,2002,41(4):462-463.
[6]吕希学.根据地震勘察信息预测火山岩储集体[J].浙江大学学报,2003,37(2):251-253.
[7]刘春成,戴福贵,吴红华,等.中国东部含油气盆地逆断层地震解释[J].特种油气藏,2010,17(4):55-58.
[8]李国永,朱福金,任利斌,等.微地震注水前缘监测技术在高尚堡中深层油藏的应用[J].特种油气藏,2010,17(4):104-107.
[9]熊冉,刘玲利,刘爱华,等.地震属性分析在轮南地区储层预测中的应用[J].特种油气藏,2008,15(2):32-34,43.
[10]陈波,凌云,刘钦甫,等.利用地震属性技术分析储层含油气信息——以塔里木盆地HD4油田为例[J].特种油气藏,2005,12(3):13-14.
[11]龚文平.新疆三塘湖盆地晚古生代基底结构和变形特征[J].石油天然气学报,2011,33(2):21.
[12]柳成志,孙玉凯,于海山,等.三塘湖盆地石炭系火山岩油气储层特征及碱性成岩作用[J].吉林大学学报:地球科学版,2010,40(6):1-11.
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