地震相和测井相联合预测火山岩相分布特征研究
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摘要
以火山岩的基本地质特征、测井特征与测井相及其地震相特征与地震相分类为基础,依据测井相所建立的火山岩相模式,对地震相进行标定,形成由火山岩相、测井相和地震相组成的"三相"技术。该技术建立起"三相"之间的对应关系,以揭示火山岩相空间展布规律及变化特征。将"三相"技术应用于某盆地北部地区的营城组火山岩相研究,把营城组一段的地震相转换成火山岩相,得到火山岩相的平面分布,有效地预测出某盆地北部地区营城组一段火山岩的空间展布规律和火山岩储层有利相带。钻井证实:火山岩相之通道相岩石的物性最好,侵出相和爆发相次之,火山沉积相最差;火山岩相以火山颈岩物性最好,溢流相顶部次之。
A special and complicated oil/gas reservoir,the volcanic oil/gas reservoirs have become the new field for oil/gas exploration and production.This paper discussed characteristics of volcanic geology,logging and logging facies classification,seismic facies and seismic facies classification.Built the patterns of volcanic facies were established and the seismic facies were calibrated according to the classification of logging facies.The kind of technique consists of 3 aspects of volcanic facies,logging facies and seismic facies and therefore,can be called "Three facies" technique.In order to reveal the distribution rules and variation properties of the volcanic rocks,the "Three facies" technique was employed for the volcanic rocks of the Yingcheng Formation in a certain basin.First,the seismic facies were transformed into volcanic facies to obtain plan distribution of volcanic facies.Then the spatial distribution rules and favorable zones of volcanic reservoirs were predicted effectively in the volcanic section of Yingcheng Formation.The well drilling verified that the volcanic channel facies had the best petrophysical properties,followed by intrusive facies and eruptive facies,with the volcanic sedimentary facies being the worst."Three facies" technique is of important practicability and significance for researching the special distribution and favorable zones of volcanic facies,and can speed the progress of exploration and production for this kind of special and complex oil/gas reservoirs.
A special and complicated oil/gas reservoir,the volcanic oil/gas reservoirs have become the new field for oil/gas exploration and production.This paper discussed characteristics of volcanic geology,logging and logging facies classification,seismic facies and seismic facies classification.Built the patterns of volcanic facies were established and the seismic facies were calibrated according to the classification of logging facies.The kind of technique consists of 3 aspects of volcanic facies,logging facies and seismic facies and therefore,can be called "Three facies" technique.In order to reveal the distribution rules and variation properties of the volcanic rocks,the "Three facies" technique was employed for the volcanic rocks of the Yingcheng Formation in a certain basin.First,the seismic facies were transformed into volcanic facies to obtain plan distribution of volcanic facies.Then the spatial distribution rules and favorable zones of volcanic reservoirs were predicted effectively in the volcanic section of Yingcheng Formation.The well drilling verified that the volcanic channel facies had the best petrophysical properties,followed by intrusive facies and eruptive facies,with the volcanic sedimentary facies being the worst."Three facies" technique is of important practicability and significance for researching the special distribution and favorable zones of volcanic facies,and can speed the progress of exploration and production for this kind of special and complex oil/gas reservoirs.
引文
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[9]卲正奎,孟宪禄,王璞?.松辽盆地储层火山岩地震反射特征及其分布规律[J].长春科技大学学报,1999,29(1):33-36.
[10]宋宗平.火山岩储层地震预测技术研究[D].成都理工大学,2008.
[11]李正文.地震勘探资料解释[M].北京:地质出版社,1988.
[2]王璞?,陈树民,刘万洙,等.松辽盆地火山岩相及其与火山岩储层的关系[J].石油与天然气地质,2003,24(1):18-30.
[3]王璞?,王树学,曲永宝,等.松辽盆地火山事件研究--营城组火山岩特征[J].长春科技大学学报,1999,29(专辑):50-54.
[4]王璞?,单玄龙,程日辉,等.大庆目标区火山喷发岩储层建模机制分析及数学表达[D].国家自然科学基金重大项目三级课题(49894190-13号)研究报告,2000.
[5]蒙启安,门广田,张正和.松辽盆地深层火山岩体、岩相预测方法及应用[J].大庆石油地质与开发,2001,3.
[6]陈建文,王德发,张晓东,等.松辽盆地徐家围子断陷营城组火山岩相和火山机构分析图[J].地学前缘,2000,7(4):371-379.
[7]陈建文,魏斌,李长山,等.火山岩岩性的测井识别[J].地学前缘,2000,7(4):458.
[8]綦敦科,吴海波,陈立英.徐家围子火山岩气藏储层测井响应特征[J].测井技术,2002,26(1):52-54.
[9]卲正奎,孟宪禄,王璞?.松辽盆地储层火山岩地震反射特征及其分布规律[J].长春科技大学学报,1999,29(1):33-36.
[10]宋宗平.火山岩储层地震预测技术研究[D].成都理工大学,2008.
[11]李正文.地震勘探资料解释[M].北京:地质出版社,1988.
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