时移地震在中国海上气田的应用
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摘要
本文介绍了崖城13-1、东方1-1两个海上气田时移地震的应用与实践。文章通过介绍岩石物理实验、时移地震资料处理、综合解释等方面的研究与分析,对崖城13-1气田的生产动用区块、剩余气分布进行了分析和预测,并在此基础上对东方1-1气田进行了系统的时移地震综合研究。在东方1-1气田的时移地震研究过程中,克服了多批次地质资料的匹配处理、无法直接用井资料进行地震动态标定、气田开发导致开发区块压力下降而各气层组气水边界基本不变等难题,取得了很好的研究成果,研究成果已被应用于气田开发调整方案的设计。开发调整井资料显示东方1-1气田时移地震预测结果正确,可使气田提高一定的采收率。
The paper presents time-lapse seismic practices in YC13-1 and DF1-1,two offshore gas fields in South China Sea.The drained blocks and residual gas distribution of YC13-1 Gas Filed are predicted by time-lapse seismic data interpretation combined with core measurement.Based on YC13-1 time-lapse seismic study,a systemic time-lapse seismic study of DF1-1 Gas Field is conducted.In the study,several difficulties have been overcome: dataset matching in time-lapse data processing,calibration of time-lapse data with well information,and pressure decrease in blocks while the gas saturation and the gas water contact unchanged.The time-lapse seismic results are applied to update depletion plan,and the new data show it will get better recovery and better benefits.
The paper presents time-lapse seismic practices in YC13-1 and DF1-1,two offshore gas fields in South China Sea.The drained blocks and residual gas distribution of YC13-1 Gas Filed are predicted by time-lapse seismic data interpretation combined with core measurement.Based on YC13-1 time-lapse seismic study,a systemic time-lapse seismic study of DF1-1 Gas Field is conducted.In the study,several difficulties have been overcome: dataset matching in time-lapse data processing,calibration of time-lapse data with well information,and pressure decrease in blocks while the gas saturation and the gas water contact unchanged.The time-lapse seismic results are applied to update depletion plan,and the new data show it will get better recovery and better benefits.
引文
[1]Rodney Calvert.Insight and Methods for 4D Reser-voir Monitoring and Characterization.2005 distin-guishedinstructor short course,NO.8,sponsored bySEGand EAGE.Tulsa OK USA
[2]陈小宏,牟永光.四维地震油藏监测及其应用.石油地球物理勘探,1998,33(6):707~715Chen Xiao-hong,Mou Yong-guang.4Dseismic reser-voir monitoring technique and its application.OGP,1998,33(6):707~715
[3]黄旭日.国外时移地震技术的研究状况.勘探地球物理进展,2003,26(1):7~12Huang Xu-ri.A review of ti me-lapse seismic tech-niques abroad.Progress in Exploration Geophysics,2003,26(1):7~12
[4]陈小宏等.时移地震油藏监测技术研究.勘探地球物理进展,2003,26(1):1~6Chen Xiao-hong et al.Study on ti me-lapse seismicreservoir monitoring.Progress in Exploration Geo-physics,2003,26(1):1~6
[5]David N,Whitcombe et al.Extended elastic i mped-ance for fluid and lithology prediction.SEG Techni-cal Program Expanded Abstracts,2000,19:138~141
[6]石玉梅等.陆相碎屑岩油藏长期水驱时移地震监测的可行性.石油地球物理勘探,2005,40(3):328~333Shi Yu-mei et al.Feasibility of ti me-lapse seismic mo-nitoring in long-period water-drive continental faciesclastic rock reservoir.OGP,2005,40(3):328~333
[7]凌云等.随时间推移(TL)地震勘探处理方法研究.石油地球物理勘探,2001,36(2):173~179Ling Yun et al.Processing method study for ti me-lapse seismic exploration.OGP,2001,36(2):173~179
[8]金龙等.时移地震互均衡法混合因素处理技术.石油地球物理勘探,2005,40(4):400~406Jin Long et al.Processing technique of mix factor inti me-lapse seismic cross-equalization method.OGP,2005,40(4):400~406
[9]苏云等.互均衡技术及其在时移地震资料处理中的应用.石油物探,2009,48(3):247~251Su Yun et al.Cross-equilibration technique and itsapplication in ti me-lapse seismic data processing.GPP,2009,48(3):247~251
[10]李蓉等.时移地震资料处理中的互均衡技术.石油地球物理勘探,2004,39(4):424~427Li Rong et al.Cross-equilibration technique in ti melapse seismic data processing.OGP,2004,39(4):424~427
[11]刘震等.薄层时移地震差异波形成因类型分析.石油地球物理勘探,2007,42(3):290~295Liu Zhen et al.Analysis on genesis types of ti me-lapse seismic differential waveform in thin layers.OGP,2007,42(3):290~295
[2]陈小宏,牟永光.四维地震油藏监测及其应用.石油地球物理勘探,1998,33(6):707~715Chen Xiao-hong,Mou Yong-guang.4Dseismic reser-voir monitoring technique and its application.OGP,1998,33(6):707~715
[3]黄旭日.国外时移地震技术的研究状况.勘探地球物理进展,2003,26(1):7~12Huang Xu-ri.A review of ti me-lapse seismic tech-niques abroad.Progress in Exploration Geophysics,2003,26(1):7~12
[4]陈小宏等.时移地震油藏监测技术研究.勘探地球物理进展,2003,26(1):1~6Chen Xiao-hong et al.Study on ti me-lapse seismicreservoir monitoring.Progress in Exploration Geo-physics,2003,26(1):1~6
[5]David N,Whitcombe et al.Extended elastic i mped-ance for fluid and lithology prediction.SEG Techni-cal Program Expanded Abstracts,2000,19:138~141
[6]石玉梅等.陆相碎屑岩油藏长期水驱时移地震监测的可行性.石油地球物理勘探,2005,40(3):328~333Shi Yu-mei et al.Feasibility of ti me-lapse seismic mo-nitoring in long-period water-drive continental faciesclastic rock reservoir.OGP,2005,40(3):328~333
[7]凌云等.随时间推移(TL)地震勘探处理方法研究.石油地球物理勘探,2001,36(2):173~179Ling Yun et al.Processing method study for ti me-lapse seismic exploration.OGP,2001,36(2):173~179
[8]金龙等.时移地震互均衡法混合因素处理技术.石油地球物理勘探,2005,40(4):400~406Jin Long et al.Processing technique of mix factor inti me-lapse seismic cross-equalization method.OGP,2005,40(4):400~406
[9]苏云等.互均衡技术及其在时移地震资料处理中的应用.石油物探,2009,48(3):247~251Su Yun et al.Cross-equilibration technique and itsapplication in ti me-lapse seismic data processing.GPP,2009,48(3):247~251
[10]李蓉等.时移地震资料处理中的互均衡技术.石油地球物理勘探,2004,39(4):424~427Li Rong et al.Cross-equilibration technique in ti melapse seismic data processing.OGP,2004,39(4):424~427
[11]刘震等.薄层时移地震差异波形成因类型分析.石油地球物理勘探,2007,42(3):290~295Liu Zhen et al.Analysis on genesis types of ti me-lapse seismic differential waveform in thin layers.OGP,2007,42(3):290~295
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