互均衡处理技术的分析与应用
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摘要
互均衡处理技术作为提高时移地震资料一致性的最有效的处理技术在时移地震资料处理中被广泛地应用,并取得了明显的效果。本文通过模型分析和对实际地震资料的应用表明:互均衡处理技术应用效果的优劣不仅取决于野外采集资料本身的一致性水平,而且与互均衡滤波器设计的时窗位置、大小、滤波器长度等有关;正确选择互均衡处理流程可以有效消除或克服野外采集所造成的不可重复性噪声,控制和减小处理方法本身对有效时移地震异常的畸变;认真分析经互均衡处理后的地震差值剖面中剩余能量的真实性和可靠性,对于弱异常时移地震监测非常重要。
As the most effective processing technique in improving consistence of time-lapse seismic data, the cross-equalization processing technique has been broadly applied in time-lapse seismic data processing and achieved distinctive effects. The paper showed by model analysis and application to real seismic data that the good or bad application effects of cross-equalization processing technique depend on not only the consistent level of data acquired in the field, but also the position and size of time windows the cross-equalization filter designed as well as the length of filter; correctly selecting the cross-equalization processing flow can effectively eliminate or overcome the non-repeatable noises from field acquisition, control and reduce the distortion of interesting time-lapse seismic anomaly to the method itself. It is important for time-lapse seismic monitoring with weak anomaly to carefully analyse the trusty and reliability of residual energy in cross-equalization-processed seismic difference profile.
As the most effective processing technique in improving consistence of time-lapse seismic data, the cross-equalization processing technique has been broadly applied in time-lapse seismic data processing and achieved distinctive effects. The paper showed by model analysis and application to real seismic data that the good or bad application effects of cross-equalization processing technique depend on not only the consistent level of data acquired in the field, but also the position and size of time windows the cross-equalization filter designed as well as the length of filter; correctly selecting the cross-equalization processing flow can effectively eliminate or overcome the non-repeatable noises from field acquisition, control and reduce the distortion of interesting time-lapse seismic anomaly to the method itself. It is important for time-lapse seismic monitoring with weak anomaly to carefully analyse the trusty and reliability of residual energy in cross-equalization-processed seismic difference profile.
引文
①云美厚.油藏注水强化开采地震监测技术的研究与应用[博士学位论文].北京:中国地质大学,2001
②云美厚.胜利油田时间推移地震油藏监测技术研究[博士后工作报告].中科院地质—地球物理研究所,胜利油田博士后工作站,2005
[1]Rickett J Eet al.Across-equalization processing flow for off-the-shelf4Dseismic data.Expanded Abstracts of68th SEG Mtg,1998,16~19
[2]Rickett J E and Lumley D E.Corss-equalization data processing for ti me-lapse seismic reservoir monito-ring:A case study from the Gulf of Mexico.Geo-physics,2001,66(4):1015~1025
[3]孙建国.时延地震的现状及发展方向.石油物探译丛,1999,2:1~9
[4]陈小宏.四维地震数据归一化方法及实例处理.石油学报,1999,20(6):22~26
[5]邓怀群,刘雯林,杨春梅等.时间推移地震勘探中的互均化技术.天然气工业,2000,20(1):20~23
[6]庄东海.四维地震资料处理及其关键.地球物理学进展,1999,14(2):33~43
[7]金龙,陈小宏.时移地震叠后资料处理技术.中国地球物理学会年会论文集.南京:南京师范大学出版社,2003,117~118
[8]金龙,陈小宏.时移地震非一致性影响研究与互均衡效果验证.勘探地球物理进展,2003,26(1):45~49
[9]李蓉,胡天跃.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):424~427
[10]李蓉,胡天跃.时移地震资料处理中的互均衡技术.中国地球物理学会年会论文集,南京:南京师范大学出版社,2003,119
[11]凌云,高军,张汝杰等.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):173~179
[12]胡英,刘宇,甘利灯等.水驱四维地震技术———叠前互均化处理.勘探地球物理进展,2003,26(1):49~53
[13]甘利灯,姚逢昌,邹才能等.水驱四维地震技术———叠后互均化处理.勘探地球物理进展,2003,26(1):54~60
[14]陈祖传.四维地震在油藏开发与生产中的应用及其发展趋势.西北油气勘探,1999,11(3):40~47
②云美厚.胜利油田时间推移地震油藏监测技术研究[博士后工作报告].中科院地质—地球物理研究所,胜利油田博士后工作站,2005
[1]Rickett J Eet al.Across-equalization processing flow for off-the-shelf4Dseismic data.Expanded Abstracts of68th SEG Mtg,1998,16~19
[2]Rickett J E and Lumley D E.Corss-equalization data processing for ti me-lapse seismic reservoir monito-ring:A case study from the Gulf of Mexico.Geo-physics,2001,66(4):1015~1025
[3]孙建国.时延地震的现状及发展方向.石油物探译丛,1999,2:1~9
[4]陈小宏.四维地震数据归一化方法及实例处理.石油学报,1999,20(6):22~26
[5]邓怀群,刘雯林,杨春梅等.时间推移地震勘探中的互均化技术.天然气工业,2000,20(1):20~23
[6]庄东海.四维地震资料处理及其关键.地球物理学进展,1999,14(2):33~43
[7]金龙,陈小宏.时移地震叠后资料处理技术.中国地球物理学会年会论文集.南京:南京师范大学出版社,2003,117~118
[8]金龙,陈小宏.时移地震非一致性影响研究与互均衡效果验证.勘探地球物理进展,2003,26(1):45~49
[9]李蓉,胡天跃.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):424~427
[10]李蓉,胡天跃.时移地震资料处理中的互均衡技术.中国地球物理学会年会论文集,南京:南京师范大学出版社,2003,119
[11]凌云,高军,张汝杰等.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):173~179
[12]胡英,刘宇,甘利灯等.水驱四维地震技术———叠前互均化处理.勘探地球物理进展,2003,26(1):49~53
[13]甘利灯,姚逢昌,邹才能等.水驱四维地震技术———叠后互均化处理.勘探地球物理进展,2003,26(1):54~60
[14]陈祖传.四维地震在油藏开发与生产中的应用及其发展趋势.西北油气勘探,1999,11(3):40~47
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