分频波阻抗反演技术在塔中西部台内滩储层预测中的应用
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摘要
塔中I号坡折带西段台内滩储层主要发育在上奥陶统良里塔格组,其地震响应以弱振幅响应为主,与东段台缘礁特有的"丘状"外部轮廓和内部发育"串珠状强反射"的地震响应特征有明显差异。台内滩弱振幅储层的优势频段为15~25Hz。优选广义S变换分频方法进行频谱分解,用20Hz分频均方根振幅实现了台内滩储层的预测,通过带通滤波处理得到的优势频段内的纯波数据进行波阻抗反演,能有效地识别出塔中西部上奥陶统良里塔格组的台内滩储层,提高了台内滩储层的识别精度,取得了较好的应用效果。
As an important substitute area,the seismic character of the intraplatform shoal reservoirs in the western area of Tazhong is weak,which is different from the strong beaded-like and moundy-shape reflection of the reef shoal reservoirs.Its responding frequency is 15-25 Hz.According to the distribution character of real seismic data,the generalized S-transform is able to adjust the variation trend of Gaussian window function with the frequency scale to the velocity control of time window width by frequency variation.Spectral decomposition with generalized S-transform is made to qualitatively predict the reservoir distribution.Then an inversion is made to the intraplatform shoal reservoirs by using pure wave data filtered by 15-25 Hz,which improves the recognization accuracy of the mud mound beach in mesa,and achieves a good application effect.
As an important substitute area,the seismic character of the intraplatform shoal reservoirs in the western area of Tazhong is weak,which is different from the strong beaded-like and moundy-shape reflection of the reef shoal reservoirs.Its responding frequency is 15-25 Hz.According to the distribution character of real seismic data,the generalized S-transform is able to adjust the variation trend of Gaussian window function with the frequency scale to the velocity control of time window width by frequency variation.Spectral decomposition with generalized S-transform is made to qualitatively predict the reservoir distribution.Then an inversion is made to the intraplatform shoal reservoirs by using pure wave data filtered by 15-25 Hz,which improves the recognization accuracy of the mud mound beach in mesa,and achieves a good application effect.
引文
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[10]Yang Haijun,Hu Taiping,Yu Hongfeng,et al.Seismic reservoir prediction of reefflat complexes in the Upper Ordovician[J].Oil&Gas Geology,2008,29(2):230-236.[杨海军,胡太平,于红枫,等.塔中地区上奥陶统礁滩复合体储层地震预测技术[J].石油与天然气地质,2008,29(2):230-236.]
[11]Huang Handong,Wei Xiucheng,Ye Lianchi.Geology physical bases of studying carbonatefractured reservoir[J].Oil Geophysics Prospecting,2001,36(5):591-596.[黄捍东,魏修成,叶连池,等.碳酸盐岩裂缝性储层研究的地质物理基础[J].石油地球物理勘探,2001,36(5):591-596.]
[12]Sun Chunyan,Niu Binhua,Huang Xinwu,et al.Prediction of carbonatite fissure reservoir with horizontal seismic amplitude discrepancy[J].Geoscience,2004,18(1):127-132.[孙春岩,牛滨华,黄新武,等.潜山风化壳碳酸盐岩油气藏地震响应特征研究及振幅横向差异属性在预测中的应用[J].现代地质,2004,18(1):127-132.]
[13]Kang Jianwei,Lin Xiaobin,Tian Jinchun.The characteristics of reefflat reservoirs in Lianglitage Formation of Tazhong area[J].Oil&Gas Geology,2011,22(6):40-45.[康建威,林小兵,田景春.塔中地区良里塔格组礁滩相储层特征研究[J].石油天然气学报,2011,22(6):40-45.]
[14]Su Shuchun,Wang Xiaohua.Development of dividing frequency impedance inversion and its application[J].Journal of the University of Petroleum,China,2000,24(1):85-87.[宿淑春,王晓华.分频波阻抗反演方法及其应用[J].石油大学学报:自然科学版,2000,24(1):85-87.]
[15]Stephane G Mallat,Zhifeng Zhang.Matching pursuits with time-frequency dictionaries[J].Ieee Transactions on Signal Processing,1993,41(12):3397-3415.
[16]John P Castagna,Sun Shengjie.Instantaneous spectral analysis:Detection of low-frequency shadows associated with hydrocarbons[J].The Leading Edge,2003,22(2):120-127.
[17]Odebeatu E,Zhang J,Chapman M,et al.Application of spectral decomposition to detection of dispersion anomalies associated with gas saturation[J].The Leading Edge,2006,25(2):206-210.
[18]Huang Xude.Discussion on notchesinthinbed[J].Progress in Exploration Geophysics,2002,25(5):1-5.[黄绪德.薄层陷频法[J].勘探地球物理进展,2002,25(5):1-5.]
[19]Zhang Yazhong,Zhao Yuhui,Lu Xinbian,et al.Application of spectral factorization technique to predict carbonate fracturevuggy reservoir in TH area of northern Tarim Basin[J].Oil Geophysics Prospecting,2006,41(supplement):16-20.[张亚中,赵裕辉,鲁新便,等.频谱分解技术在塔里木盆地北部TH地区碳酸盐岩缝洞型储层预测中的应用[J].石油地球物理勘探,2006,41(增刊):16-20.]
[20]Gao Jianhu,Yong Xueshan,Liu Hong.Study of reservoir prediction technology in frequency domain[J].Natural Gas Geoscience,2007,18(6):808-812.[高建虎,雍学善,刘洪.频率域储层预测技术研究[J].天然气地球科学,2007,18(6):808-812.]
[21]Lu Yi,Wu Xuesong,Shi Qianru.Applicability of seismic response to thin-interbed and acceptable condition of spectral decomposition[J].Natural Gas Geoscience,2010,21(4):660-665.[卢异,吴雪松,石倩茹,等.薄互层地震响应及分频技术的适用性分析[J].天然气地球科学,2010,21(4):660-665.]
[22]Guo Xuan,Pan Jianguo,Tan Kaijun,et al.Application of seismic sedimentology in Triassic Baikouquan Formation of western Mahu slope of Junggar Basin[J].Natural Gas Geoscience,2012,23(2):359-364.[郭璇,潘建国,谭开俊,等.地震沉积学在准噶尔盆地玛湖西斜坡区三叠系百口泉组的应用[J].天然气地球科学,2012,23(2):359-364.]
[23]Liu Xiwu,Nian Jingbo,Liu Hong.Generalized Stransform based seismic attenuation analysis[J].Progress in Exploration Geophysics,2006,29(1):20-24.[刘喜武,年静波,刘洪.基于广义S变换的地震波能量衰减分析[J].勘探地球物理进展,2006,29(1):20-24.]
[24]Chen Xuehua,He Zhenhua,Huang Deji.Generalized S transform and its time frequency filtering[J].Signal Processing,2008,24(1):28-31.[陈学华,贺振华,黄德济.广义S变换及其时频滤波[J].信号处理,2008,24(1):28-31.]
[25]Lu Pengfei,Yang Changchun,Guo Aihua.The present research on frequency spectrum imaging technique[J].Progress in Geophysics,2007,22(5):1517-1521.[路鹏飞,杨长春,郭爱华.频谱成像技术研究进展[J].地球物理学进展,2007,22(5):1517-1521.]
[26]Liu Xiwu,Zhang Ning,Gou Yongfeng,et al.The comparison and application of time frequency analysis methods to seismic signal[J].Progress in Geophysics,2008,23(3):743-753.[刘喜武,张宁,勾永峰,等.地震勘探信号时频分析方法对比与应用分析[J].地球物理学进展,2008,23(3):743-753.]
[27]Yang Lin.Discussion on the problems in using the technology of seismic spectral decomposition[J].Geophysical Prospecting for Petroleum,2008,47(4):405-409.[杨林.地震频谱分解技术应用中有关问题的讨论[J].石油物探,2008,47(4):405-409.]
[28]Liu Xiwu,Ning Junrui,Liu Peiti,et al.Seismic timefrequency analysis for frequency decomposition with applications to seismic sedimentology and reservoir imaging[J].Progress in Geophysics,2009,24(5):1679-1688.[刘喜武,宁俊瑞,刘培体,等.地震时频分析与分频解释及频谱分解技术在地震沉积学与储层成像中的应用[J].地球物理学进展,2009,24(5):1679-1688.]
[2]Wang Zhenyu,Yan Wei,Zhang Yunfeng,et al.Depositional characteristics of Upper Ordovician platform margin reefs in well block TZ1644,Tarim Basin[J].Xinjiang Petroleum Geology,2007,28(6):681-683.[王振宇,严威,张云峰,等.塔中1644井区上奥陶统台缘礁滩体沉积特征[J].新疆石油地质,2007,28(6):681-683.]
[3]Shu Zhiguo,He Xipeng,Deng Shixin.Discovery of upper ordovician reef flat belt and significant for hydrocarbon exploration in the southern slope of the Tazhong Uplift of Tarim Basin[J].Marine Geology&Quaternary Geology,2007,27(6):77-82.[舒志国,何希鹏,邓世新.塔里木盆地塔中隆起南坡上奥陶统礁滩相带的发现及油气勘探意义[J].海洋地质与第四纪地质,2007,27(6):77-82.]
[4]Zhang Lijuan,Li Yong,Zhou Chenggang,et al.Lithofacies paleogeographical characteristics and reefshoal distribution during the Ordovician in the Tarim Basin[J].Oil&Gas Geology,2007,28(6):731-737.[张丽娟,李勇,周成刚,等.塔里木盆地奥陶纪岩相古地理特征及礁滩分布[J].石油与天然气地质,2007,28(6):731-737.]
[5]Wang Zhaoming,Zhang Lijuan,Wang Zhenyu,et al.Features of Ordovician reef beach and exploration activities in Tarim Basin[J].China Petroleum Exploration,2007,(7):1-7.[王招明,张丽娟,王振宇,等.塔里木盆地奥陶系礁滩体特征与油气勘探[J].中国石油勘探,2007,(7):1-7.]
[6]Gu Jiayu,Fang Hui,Jiang Linzhi.The significance of Ordovician reef discovery in Tarim Basin[J].Petroleum Exploration and Development,2001,28(4):1-3.[顾家裕,方辉,蒋凌志.塔里木盆地奥陶系生物礁的发现及其意义[J].石油勘探与开发,2001,28(4):1-3.]
[7]Li Yuping,Li Xinsheng,Zhou Yi,et al.Sedimentary characteristics and evolution history of Middle Upper Ordovician in Tazhong area[J].Xinjiang Petroleum Geology,2000,21(3):204-207.[李宇平,李新生,周翼,等.塔中地区中、上奥陶统沉积特征及沉积演化史[J].新疆石油地质,2000,21(3):204-207.]
[8]Zhao Zongju,Wang Zhaoming,Wu Xingnin,et al.Genetic types and distribution forecast of available Carbonate reservoirs in Ordovician in the Central area of Tarim Basin[J].Petroleum Geology&Experiment,2007,29(1):40-46.[赵宗举,王招明,吴兴宁,等.塔里木盆地塔中地区奥陶系储层成因类型及分布预测[J].石油试验地质,2007,29(1):40-46.]
[9]Wu Guanghong,Zhang Baoming,Bian Lizeng.Preliminary study of carbonate mud mounds,Middle Late Ordovician[J].Acta Sedimentologica Sinica,1999,17(2):198-203.[吴光红,张宝民,边立曾.塔中地区中晚奥陶世灰泥丘初步研究[J].沉积学报,1999,17(2):198-203.]
[10]Yang Haijun,Hu Taiping,Yu Hongfeng,et al.Seismic reservoir prediction of reefflat complexes in the Upper Ordovician[J].Oil&Gas Geology,2008,29(2):230-236.[杨海军,胡太平,于红枫,等.塔中地区上奥陶统礁滩复合体储层地震预测技术[J].石油与天然气地质,2008,29(2):230-236.]
[11]Huang Handong,Wei Xiucheng,Ye Lianchi.Geology physical bases of studying carbonatefractured reservoir[J].Oil Geophysics Prospecting,2001,36(5):591-596.[黄捍东,魏修成,叶连池,等.碳酸盐岩裂缝性储层研究的地质物理基础[J].石油地球物理勘探,2001,36(5):591-596.]
[12]Sun Chunyan,Niu Binhua,Huang Xinwu,et al.Prediction of carbonatite fissure reservoir with horizontal seismic amplitude discrepancy[J].Geoscience,2004,18(1):127-132.[孙春岩,牛滨华,黄新武,等.潜山风化壳碳酸盐岩油气藏地震响应特征研究及振幅横向差异属性在预测中的应用[J].现代地质,2004,18(1):127-132.]
[13]Kang Jianwei,Lin Xiaobin,Tian Jinchun.The characteristics of reefflat reservoirs in Lianglitage Formation of Tazhong area[J].Oil&Gas Geology,2011,22(6):40-45.[康建威,林小兵,田景春.塔中地区良里塔格组礁滩相储层特征研究[J].石油天然气学报,2011,22(6):40-45.]
[14]Su Shuchun,Wang Xiaohua.Development of dividing frequency impedance inversion and its application[J].Journal of the University of Petroleum,China,2000,24(1):85-87.[宿淑春,王晓华.分频波阻抗反演方法及其应用[J].石油大学学报:自然科学版,2000,24(1):85-87.]
[15]Stephane G Mallat,Zhifeng Zhang.Matching pursuits with time-frequency dictionaries[J].Ieee Transactions on Signal Processing,1993,41(12):3397-3415.
[16]John P Castagna,Sun Shengjie.Instantaneous spectral analysis:Detection of low-frequency shadows associated with hydrocarbons[J].The Leading Edge,2003,22(2):120-127.
[17]Odebeatu E,Zhang J,Chapman M,et al.Application of spectral decomposition to detection of dispersion anomalies associated with gas saturation[J].The Leading Edge,2006,25(2):206-210.
[18]Huang Xude.Discussion on notchesinthinbed[J].Progress in Exploration Geophysics,2002,25(5):1-5.[黄绪德.薄层陷频法[J].勘探地球物理进展,2002,25(5):1-5.]
[19]Zhang Yazhong,Zhao Yuhui,Lu Xinbian,et al.Application of spectral factorization technique to predict carbonate fracturevuggy reservoir in TH area of northern Tarim Basin[J].Oil Geophysics Prospecting,2006,41(supplement):16-20.[张亚中,赵裕辉,鲁新便,等.频谱分解技术在塔里木盆地北部TH地区碳酸盐岩缝洞型储层预测中的应用[J].石油地球物理勘探,2006,41(增刊):16-20.]
[20]Gao Jianhu,Yong Xueshan,Liu Hong.Study of reservoir prediction technology in frequency domain[J].Natural Gas Geoscience,2007,18(6):808-812.[高建虎,雍学善,刘洪.频率域储层预测技术研究[J].天然气地球科学,2007,18(6):808-812.]
[21]Lu Yi,Wu Xuesong,Shi Qianru.Applicability of seismic response to thin-interbed and acceptable condition of spectral decomposition[J].Natural Gas Geoscience,2010,21(4):660-665.[卢异,吴雪松,石倩茹,等.薄互层地震响应及分频技术的适用性分析[J].天然气地球科学,2010,21(4):660-665.]
[22]Guo Xuan,Pan Jianguo,Tan Kaijun,et al.Application of seismic sedimentology in Triassic Baikouquan Formation of western Mahu slope of Junggar Basin[J].Natural Gas Geoscience,2012,23(2):359-364.[郭璇,潘建国,谭开俊,等.地震沉积学在准噶尔盆地玛湖西斜坡区三叠系百口泉组的应用[J].天然气地球科学,2012,23(2):359-364.]
[23]Liu Xiwu,Nian Jingbo,Liu Hong.Generalized Stransform based seismic attenuation analysis[J].Progress in Exploration Geophysics,2006,29(1):20-24.[刘喜武,年静波,刘洪.基于广义S变换的地震波能量衰减分析[J].勘探地球物理进展,2006,29(1):20-24.]
[24]Chen Xuehua,He Zhenhua,Huang Deji.Generalized S transform and its time frequency filtering[J].Signal Processing,2008,24(1):28-31.[陈学华,贺振华,黄德济.广义S变换及其时频滤波[J].信号处理,2008,24(1):28-31.]
[25]Lu Pengfei,Yang Changchun,Guo Aihua.The present research on frequency spectrum imaging technique[J].Progress in Geophysics,2007,22(5):1517-1521.[路鹏飞,杨长春,郭爱华.频谱成像技术研究进展[J].地球物理学进展,2007,22(5):1517-1521.]
[26]Liu Xiwu,Zhang Ning,Gou Yongfeng,et al.The comparison and application of time frequency analysis methods to seismic signal[J].Progress in Geophysics,2008,23(3):743-753.[刘喜武,张宁,勾永峰,等.地震勘探信号时频分析方法对比与应用分析[J].地球物理学进展,2008,23(3):743-753.]
[27]Yang Lin.Discussion on the problems in using the technology of seismic spectral decomposition[J].Geophysical Prospecting for Petroleum,2008,47(4):405-409.[杨林.地震频谱分解技术应用中有关问题的讨论[J].石油物探,2008,47(4):405-409.]
[28]Liu Xiwu,Ning Junrui,Liu Peiti,et al.Seismic timefrequency analysis for frequency decomposition with applications to seismic sedimentology and reservoir imaging[J].Progress in Geophysics,2009,24(5):1679-1688.[刘喜武,宁俊瑞,刘培体,等.地震时频分析与分频解释及频谱分解技术在地震沉积学与储层成像中的应用[J].地球物理学进展,2009,24(5):1679-1688.]
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