松辽盆地长岭断陷火山岩相地震特征及其响应关系
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摘要
火山岩储层发育受岩性岩相的控制,为了提高岩性岩相地震识别的精度,选择松辽盆地南部长岭断陷营城组和火石岭组典型钻井火山岩进行井旁地震相分析,分别建立了酸性和中基性火山岩的岩相识别的模版.酸性与中基性火山岩最明显的差别为爆发相和喷溢相之间的差异,酸性岩爆发相具有席状,板状,平行—亚平行反射,连续性好、局部中等,强振幅,低频的特征;酸性岩喷溢相具有楔状、局部透镜,波形反射特征,连续性中—差,中弱振幅、见中强振幅,中高频特征.中基性岩爆发相具有板状,楔状,蠕虫形反射、偶见亚平行反射,中高振幅,中高频,连续性差、见连续性中—好的特征;中基性岩喷溢相具有板状,楔状,平行—亚平行反射、局部波形反射,连续性中等、局部较差,中强振幅,中频、局部高频的特征.根据酸性、中基性火山岩不同的电性特征,结合火山岩段表现的地震内部反射结构,几何形态等地震相特征.总结出不同火山岩之间地震相与测井相的对应关系,为新区识别火山岩相,预测火山岩储层,划分有利储集相带提供依据.
The volcanic reservoir is predominantly controlled by lithology and lithofacies,in order to improve the seismic identification precision of lithology and lithofacies,well-neighboring seismic facies of typical drilling volcanic rocks from the Yingcheng Formation and Huoshiling Formation in the Changling fault depression,the South of the Songliao basin are analysed..Relevant recognition models for acidic and intermediate-basic volcanics facies are set up.among which there is the most significantly difference :the former is explosive facies and the latter is effusive facies.The former is characterized by sheet drape,slaty,parallel-subparallel reflection structure,good continuity,strong amplitude and low frequency,whose distribution range is bigger than the latter.The latter is characterized by slatywedge-shaped,parallel-subparallel reflection structure,partial vermicular reflection structure,middle continuity,middle-strong amplitude and middle frequency,whose distribution is bigger than the former.Based on their distinct features of the electric logging responses,internal seismic reflection structures and geometric shape of the volcanic rocks,the corresponding relation of the different connection between seismic facies and logging facies is summed up,which provides a basis for identifing volcanic facies,predicting volcanic reservoirs and dividing favorable reservoir facies belts for a new area.
The volcanic reservoir is predominantly controlled by lithology and lithofacies,in order to improve the seismic identification precision of lithology and lithofacies,well-neighboring seismic facies of typical drilling volcanic rocks from the Yingcheng Formation and Huoshiling Formation in the Changling fault depression,the South of the Songliao basin are analysed..Relevant recognition models for acidic and intermediate-basic volcanics facies are set up.among which there is the most significantly difference :the former is explosive facies and the latter is effusive facies.The former is characterized by sheet drape,slaty,parallel-subparallel reflection structure,good continuity,strong amplitude and low frequency,whose distribution range is bigger than the latter.The latter is characterized by slatywedge-shaped,parallel-subparallel reflection structure,partial vermicular reflection structure,middle continuity,middle-strong amplitude and middle frequency,whose distribution is bigger than the former.Based on their distinct features of the electric logging responses,internal seismic reflection structures and geometric shape of the volcanic rocks,the corresponding relation of the different connection between seismic facies and logging facies is summed up,which provides a basis for identifing volcanic facies,predicting volcanic reservoirs and dividing favorable reservoir facies belts for a new area.
引文
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[2]谢晓安,周卓明.松辽盆地深层天然气勘探实践与勘探领域.石油与天然气地质,2008,29(1):113-119.Xie X A,Zhou Z M.Exploration practices and directions fordeep natural gas in the Songliao Basin.Oil&Gas Geology(inChinese),2008,29(1):113-119.
[3]王璞珺,迟元林,刘万洙等.松辽盆地火山岩相:类型、特征和储层意义.吉林大学学报(地球科学版),2003,33(4):449-456.Wang P J,Chi Y L,Liu W Z,et a1.Volcanic facies of theSongliao Basin:classification,characteristics and reservoirsignificance.Journal of Jilin University(Earth ScienceEdition)(in Chinese),2003,33(4):449-456.
[4]王璞珺,吴河勇,庞颜明等.松辽盆地火山岩相:相序、相模式与储层物性的定量关系.吉林大学学报(地球科学版),2006,36(5):805-812.Wang P J,Wu H Y,Pang Y M,et al.Volcanic facies of theSongliao Basin:sequence,model and the quantitativerelationship with porosity&permeability of the volcanicreservoir.Journal of Jilin University(Earth Science Edition)(in Chinese),2006,36(5):805-812.
[5]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.石油与天然气地质,2003,24(1):18-23.Wang P J,Chen S M,Liu W Z,et al.Relationship betweenvolcanic facies and volcanic reservoirs in Songliao Basin.Oil&Gas Geology(in Chinese),2003,24(1):18-23.
[6]王从镔,龚洪林,许多年等.高分辨率相干体分析技术及其应用.地球物理学进展,2008,23(5):1575-1578.Wang C B,Gong H L,Xu D N,et al.High-resolutioncoherency analysis technique and its application.Progress inGeophysics(in Chinese),2008,23(5):1575-1578.
[7]匡朝阳,贺日政,高锐等.火成岩气藏储层预测及勘探技术——以松辽盆地长岭断陷为例.地球物理学进展,2009,24(2):602-608.Kuang Z Y,He R Z,Gao R,et al.A technique of forecastingand exploring volcanic reservoirs—an example of ChanglingFault-depression in Songliao Basin.Progress in Geophysics(inChinese),2009,24(2):602-608.
[8]高建荣,郭彦如,徐旺林.地层等时格架技术.地球物理学进展,2010,25(5):1752-1756.Gao J R,Guo Y R,Xu W L.The isochronous sequencestratigraphy framework technology.Progress in Geophysics(in Chinese),2010,25(5):1752-175.
[9]邵锐,孙彦彬,于海生等.基于地震属性各向异性的火山机构识别技术.地球物理学报,2011,54(2):343-348.Shao R,Sun Y B,Yu H S,et al.Identification technology ofvolcanic edifice based on seismic attribute anisotropy.ChineseJ.Geophys.(in Chinese),2011,54(2):343-348.
[10]谢春临,陈树民,姜传金等.趋势面分析与相干体技术在火山岩预测中的应用.地球物理学报,2011,54(2):368-373.Xie C L,Chen S M,Jiang C J,et al.Application of a methodcombining trend surface analysis and coherence cubetechnology to volcanic prediction.Chinese J.Geophys.(inChinese),2011,54(2):368-373.
[11]段春节,吴汉宁,马承杰等.基于高阶统计量的相干体算法在地震中深层构造解释中应用.地球物理学进展,2009,24(2):640-643.Duan C J,Wu H N,Ma C J,et al.The application ofhigher-order statistics coherency algorithm in seismicdatainterpretation.Progress in Geophys.(in Chinese),2009,24(2):640-643
[12]赵国连,张岳桥.大庆火山岩地震反射特征与综合预测技术.石油勘探与开发,2002,29(5):44-46.Zhao G L,Zhang Y Q.Seismic reflection character ofvolcanic reservoir of Daqing and the comprehensive predictiontechnology.Petroleum Exploration and Development(inChinese),2002,29(5):44-46.
[13]王建民,杨冬,魏修成等.多分量地震资料预测松辽盆地兴城地区深层火山岩与有利含气带.地球物理学报,2007,50(6):1914-1923.Wang J M,Yang D,Wei X C,et al.Predicting deep volcanicrocks and favorable gas zone near Xingcheng area in SongliaoBasin using multi-component seismic data.Chinese J.Geophys.(in Chinese),2007,50(6):1914-1923.
[14]唐华风,王璞珺,姜传金等.波形分类方法在松辽盆地火山岩相识别中的应用.石油地球物理勘探,2007,42(4):440-444.Tang H F,Wang P J,Jiang C J,et al.Application ofwaveform classification to identify volcanic facies in SongliaoBasin.Oil Geophysical Prospecting(in Chinese),2007,42(4):440-444
[15]杨立英,李瑞磊.松辽盆地南部深层火山岩、火山机构和火山岩相地质—地震综合识别.吉林大学学报(地球科学版),2007,37(6):1083-1090.Yang L Y,Li R L.Integrated recognition with geologic andseismic methods on the volcanic rocks,volcanic edifices andvolcanic facies in southern deep Songliao Basin.Journal ofJilin University(Earth Science Edition)(in Chinese),2007,37(6):1083-1090.
[16]吴颜雄,王璞珺,宋立忠等.松辽盆地营城组火山机构相带地震—地质解译.地球物理学报,2011,54(2):545-555.Wu Y X,Wang P J,Song L Z,et al.Seismicvolcanostratigraphy of Yingcheng formation in the Songliaobasin,Cretaceous,NE China.Chinese J.Geophys.(inChinese),2011,54(2):545-555.
[17]冯子辉,朱映康,张元高等.松辽盆地营城组火山机构-岩相带的地震响应.地球物理学报,2011,54(2):556-562.Feng Z H,Zhu Y K,Zhang Y G,et al.The seismic responseof the volcanic edifice-facies zone of Yingcheng formation inthe Songliao Basin.Chinese J.Geophys.(in Chinese),2011,54(2):556-562.
[18]陈树民,张元高,姜传金.徐家围子断陷火山机构叠置关系解析及其数字化模型参数建立.地球物理学报,2011,54(2):499-507.Chen S M,Zhang Y G,Jiang C J.The analysis of volcanicedifice superimposition and its digital model parametersestablishment.Chinese J.Geophys.(in Chinese),2011,54(2):499-507
[19]王璞珺,郑常青,舒萍等.松辽盆地深层火山岩岩性分类方案.大庆石油地质与开发,2007,26(4):17-22.Wang P J,Zheng C Q,Shu P,et al.Classification of deepvolcanic rocks in Songliao Basin.Petroleum Geology&Oilfield Development in Daqing(in Chinese),2007,26(4):17-22
[20]程日辉,李飞,沈艳杰等.火山岩地层地震反射特征和地震—地质联合解释:以徐家围子断陷为例.地球物理学报,2011,54(2):611-619.Cheng R H,Li F,Shen Y J,et al.The seismic reflectionfeatures of volcanic stratum and the seismic-geologicalinterpretation:The case study in Xujiaweizi faulteddepression,Songliao Basin.Chinese J.Geophys.(inChinese),2011,54(2):611-619.
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