复杂储层识别的地震反演方法及其在塔木察格盆地的应用
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摘要
随着油气藏勘探开发程度的加深,准确识别复杂储层变得愈发重要,地震反演已成为储层预测的核心技术。本文对蒙古国塔木察格盆地南部凹陷1 800 km~2地震资料进行波阻抗反演研究,研究工作包括测井曲线的标准化校正、地质框架模型的准确建立及其它反演参数的正确选取。波阻抗反演结果为研究沉积相划分、砂体空间展布的认识提供了可靠依据,在一定程度上解决了该区主要目的层南屯组沉积物源多、相变快和在地震剖面上无法追踪的问题。
During the course of oil exploration and development,it is very important to precisely pre- dict complicated reservoir in petroleum exploration.Seismic wave impedance inversion is al- ready a core technology for reservoir prediction.In this paper,the seismic inversion applied in 1 800 km~2 data in the South Sag of the Tamtsag Basin in Republic of Mongolia.The detailed study included correction of well logging curves,establishment of geologic model and choice of some inversion parameters.The seismic inversion results provided the right data for sedimenta- ry phase research and the spatial spread of sandbodies,to solve some problems in a large ex- tent,such as multiple provenance of the Nantun Formation,sedimentary facies changing quick- ly,and the difficultly to trace in the seismic profiles.
During the course of oil exploration and development,it is very important to precisely pre- dict complicated reservoir in petroleum exploration.Seismic wave impedance inversion is al- ready a core technology for reservoir prediction.In this paper,the seismic inversion applied in 1 800 km~2 data in the South Sag of the Tamtsag Basin in Republic of Mongolia.The detailed study included correction of well logging curves,establishment of geologic model and choice of some inversion parameters.The seismic inversion results provided the right data for sedimenta- ry phase research and the spatial spread of sandbodies,to solve some problems in a large ex- tent,such as multiple provenance of the Nantun Formation,sedimentary facies changing quick- ly,and the difficultly to trace in the seismic profiles.
引文
柏涛,徐志伟.2004． 波阻抗反演及其在隐蔽圈闭预测中的应用.石油实验地质,26(1) :63-67． Bai Tao and Xu Zhiwei.2004． Wave impedance inversion and its application to the prediction of subtle traps.Petroleum Geology & Experiment,26(1) :63-67．
陈均亮,吴河勇,朱德丰,林春华,于德顺.2007． 海拉尔盆地构造演化及油气勘探前景地质科学,42(1) :147-159． Chen Junliang,Wu Heyong,Zhu Defeng,Lin Chunhua and Yu Deshun.2007． Tectonic evolution of the Hailar Basin and its potentials of oil-gas exploration.Chinese Jour.Geol.,42(1) :147-159．
陈志德,陈瑛,周振兴,何玉前,李惠.2007． 松辽盆地北部深层火山岩地质条件下三维叠前深度偏移速度模型建立.大庆石油地质与开发,26(3) :125-127． Chen Zhide,Chen Ying,Zhou Zhenxing,He Yuqian and Li Hui.2007． Building of 3 D prestack depth migration velocity model under deep volcanic environment in northern Songliao Basin.Petroleum Geology & Oilfield Development in Daqing,26 (3) :125-127．
邓飞,王瑞,王美平,周熙襄.2007． 复杂三维地层建模及快速射线追踪的研究与实现.大庆石油地质与开发,26(1) :113-118． Deng Fei,Wang Rui,Wang Meiping and Zhou Xixiang.2007． Research and realization of complex three dimensional stratum modeling and fast ray tracing.Petroleum Geology & Oilfield Development in Daqing,26(1) :113-118．
付广,王有功,黄劲松.2008． 倾斜裂缝垂向封闭性演化特征研究--以海拉尔盆地贝尔凹陷布达特群为例.地质科学,43(1) :23-33．Fu Guang,Wang Yougong and Huang Jinsong.2008． Study on evolution of vertical seal of dip fractures--A case study from the Budate Group in the Buir Sag,Hailar Basin.Chinese Jour.Geol.,43(1) :23-33．
郭朝斌,杨小波,陈红岳,韩福民,朱志国,刘军.2006． 约束稀疏脉冲反演在储层预测中的应用.石油物探,45(4) : 397-400． Guo Zhaobin,Yang Xiaobo,Chen Hongyue,Han Fumin,Zhu Zhiguo and Liu Jun.2006． Constrained sparse pulse inversion research in north of Haitongji depression.Geophysical Prospecting for Petroleum,45 (4) :397-400．
贾承造,赵文智,邹才能,李明,池英柳,姚逢昌,郑晓东,刘晓,殷积峰.2004． 岩性地层油气藏勘探研究的两项核心技术.石油勘探与开发,31(3) :3-9． Jia Chengzao,Zhao Wenzhi,Zou Caineng,Li Ming,Chi Yingliu,Yao Fengchang,Zheng Xiaodong,Liu Xiao and Yin Jifeng.2004． Two key technologies about exploration of stratigraphic/lithological reservoirs.Petroleum Exploration and Development,31 (3) :3-9．
李正文,杨谦.1997． 地震宽带波阻抗剖面及应用.矿物岩石,17(4) :94-98． Li Zhengwen and Yang Qian.1997． Broadband wave impedance section and its application.Journal of Mineral.Petrol.,17 (4) :94-98．
刘伟,窦齐丰,彭仕宓,王韶华.2003． 测井约束反演在东营凹陷永63块Es_3~中油藏砂体预测中的应用.中国海上油气(地质),17(5) :338-341．Liu Wei,Dou Qifeng,Peng Shimi and Wang Shaohua.2003． Application of log-constrained inversion to Es_3~m reservoir sandbody prediction in Yong 63 Block,Dongying Sag.China Offshore Oil and Gas(Geology),17(5) :338-341．
穆星.2005． 稀疏脉冲波阻抗反演参数对反演效果的影响研究.工程地球物理学报,2(2) :104-108． Mu Xing.2005． Effect of parameters control on sparse spike impedance inversion.Chinese Journal of Engineering Geophysics,2(2) :104-108．
年静波,张尔华,刘喜武,刘永胜.2006． 我国东部复杂断块区三维地震反演与储集层预测.新疆石油地质,27(2) :184-187． Nian Jingbo,Zhang Erhua,Liu Xiwu and Liu Yongsheng.2006． 3D seismic inversion and reservoir prediction in complex faultblock areas in eastern China.Xinjiang Petroleum Geology,27 (2) :184-187．
陈均亮,吴河勇,朱德丰,林春华,于德顺.2007． 海拉尔盆地构造演化及油气勘探前景地质科学,42(1) :147-159． Chen Junliang,Wu Heyong,Zhu Defeng,Lin Chunhua and Yu Deshun.2007． Tectonic evolution of the Hailar Basin and its potentials of oil-gas exploration.Chinese Jour.Geol.,42(1) :147-159．
陈志德,陈瑛,周振兴,何玉前,李惠.2007． 松辽盆地北部深层火山岩地质条件下三维叠前深度偏移速度模型建立.大庆石油地质与开发,26(3) :125-127． Chen Zhide,Chen Ying,Zhou Zhenxing,He Yuqian and Li Hui.2007． Building of 3 D prestack depth migration velocity model under deep volcanic environment in northern Songliao Basin.Petroleum Geology & Oilfield Development in Daqing,26 (3) :125-127．
邓飞,王瑞,王美平,周熙襄.2007． 复杂三维地层建模及快速射线追踪的研究与实现.大庆石油地质与开发,26(1) :113-118． Deng Fei,Wang Rui,Wang Meiping and Zhou Xixiang.2007． Research and realization of complex three dimensional stratum modeling and fast ray tracing.Petroleum Geology & Oilfield Development in Daqing,26(1) :113-118．
付广,王有功,黄劲松.2008． 倾斜裂缝垂向封闭性演化特征研究--以海拉尔盆地贝尔凹陷布达特群为例.地质科学,43(1) :23-33．Fu Guang,Wang Yougong and Huang Jinsong.2008． Study on evolution of vertical seal of dip fractures--A case study from the Budate Group in the Buir Sag,Hailar Basin.Chinese Jour.Geol.,43(1) :23-33．
郭朝斌,杨小波,陈红岳,韩福民,朱志国,刘军.2006． 约束稀疏脉冲反演在储层预测中的应用.石油物探,45(4) : 397-400． Guo Zhaobin,Yang Xiaobo,Chen Hongyue,Han Fumin,Zhu Zhiguo and Liu Jun.2006． Constrained sparse pulse inversion research in north of Haitongji depression.Geophysical Prospecting for Petroleum,45 (4) :397-400．
贾承造,赵文智,邹才能,李明,池英柳,姚逢昌,郑晓东,刘晓,殷积峰.2004． 岩性地层油气藏勘探研究的两项核心技术.石油勘探与开发,31(3) :3-9． Jia Chengzao,Zhao Wenzhi,Zou Caineng,Li Ming,Chi Yingliu,Yao Fengchang,Zheng Xiaodong,Liu Xiao and Yin Jifeng.2004． Two key technologies about exploration of stratigraphic/lithological reservoirs.Petroleum Exploration and Development,31 (3) :3-9．
李正文,杨谦.1997． 地震宽带波阻抗剖面及应用.矿物岩石,17(4) :94-98． Li Zhengwen and Yang Qian.1997． Broadband wave impedance section and its application.Journal of Mineral.Petrol.,17 (4) :94-98．
刘伟,窦齐丰,彭仕宓,王韶华.2003． 测井约束反演在东营凹陷永63块Es_3~中油藏砂体预测中的应用.中国海上油气(地质),17(5) :338-341．Liu Wei,Dou Qifeng,Peng Shimi and Wang Shaohua.2003． Application of log-constrained inversion to Es_3~m reservoir sandbody prediction in Yong 63 Block,Dongying Sag.China Offshore Oil and Gas(Geology),17(5) :338-341．
穆星.2005． 稀疏脉冲波阻抗反演参数对反演效果的影响研究.工程地球物理学报,2(2) :104-108． Mu Xing.2005． Effect of parameters control on sparse spike impedance inversion.Chinese Journal of Engineering Geophysics,2(2) :104-108．
年静波,张尔华,刘喜武,刘永胜.2006． 我国东部复杂断块区三维地震反演与储集层预测.新疆石油地质,27(2) :184-187． Nian Jingbo,Zhang Erhua,Liu Xiwu and Liu Yongsheng.2006． 3D seismic inversion and reservoir prediction in complex faultblock areas in eastern China.Xinjiang Petroleum Geology,27 (2) :184-187．
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