海上多方位地震资料处理关键技术
|
摘要
多方位、宽方位、全方位的地震资料能够增加采集照明度,使得记录到的波场信息更加完整,从而改善地震资料的成像效果。但是目前还没有一套比较成熟的多方位地震数据处理方法技术。结合实际资料处理,讨论了海上多方位地震资料处理关键技术,处理结果表明,多方位地震资料匹配处理及非对称走时叠前时间偏移技术是多方位地震资料处理的关键,多方位地震资料采集可以有效提高地下照明度,提高复杂构造地区的地震资料成像精度,而且相对于多船宽方位采集方法而言,其采集成本大大降低。
Multi-azimuth , wide azimuth and comprehensive seismic data could increase illumination in data acquisition , more completion of information of recorded wave field would be created for improving the effect of seismic data imaging.But there was no a set of more matured multi-azimuth seismic data processing techniques at present.In combination with actual data processing , the key technology of offshore multi-azimuth seismic data processing was discussed. The results show that both the matching processing of multi-azimuth seismic data and the time migration of pre-stack asymmetrical travel time technology are the key of multi-azimuth seismic data processing.Multi-azimuth acquisition data can effectively improve the underground illumination and imaging accuracy of seismic data at the complicated structure areas , moreover , comparing to the acquisition method of the multi-ship wide azimuth , the acquisition cost can be greatly reduced.
Multi-azimuth , wide azimuth and comprehensive seismic data could increase illumination in data acquisition , more completion of information of recorded wave field would be created for improving the effect of seismic data imaging.But there was no a set of more matured multi-azimuth seismic data processing techniques at present.In combination with actual data processing , the key technology of offshore multi-azimuth seismic data processing was discussed. The results show that both the matching processing of multi-azimuth seismic data and the time migration of pre-stack asymmetrical travel time technology are the key of multi-azimuth seismic data processing.Multi-azimuth acquisition data can effectively improve the underground illumination and imaging accuracy of seismic data at the complicated structure areas , moreover , comparing to the acquisition method of the multi-ship wide azimuth , the acquisition cost can be greatly reduced.
引文
[1]张晓江.宽、窄方位角三维地震勘探采集方法研究与应用[D].青岛:中国石油大学(华东),2007.
[2]王聪,韦成龙.国内外中深层海洋地震勘探技术概述[J].气象水文海洋仪器,2012,29(2):106～110.
[3]谢涛,杨凯,金明霞,等.利用多方位地震采集资料预测BZ28-1油田裂缝储层[J].中国海上油气,2011,23(3):158～162.
[4]徐善辉,郭建.基于HHT的海上地震数据涌浪噪声衰减技术研究[A].中国地球物理学会.中国地球物理[C].北京:中国科学技术大学出版社,2012.
[5]李添才,李列,陈瑜,等.LIFT技术衰减海上近道多次波[J].勘探地球物理进展,2010,33(2):108～110.
[6]孙振刚,李宏图,张晓渝,等.海洋拖缆地震资料处理关键技术[J].天然气工业,2007,27(增刊A):192～194.
[7]张兴岩,朱江梅,杨薇,等.海洋资料多次波组合衰减技术及应用[J].物探与化探,2011,35(4):511～515.
[8]周纳,刘继勇.非对称走时叠前时间偏移方法及应用[J].油气地球物理,2010,8(2):47～52.
[2]王聪,韦成龙.国内外中深层海洋地震勘探技术概述[J].气象水文海洋仪器,2012,29(2):106～110.
[3]谢涛,杨凯,金明霞,等.利用多方位地震采集资料预测BZ28-1油田裂缝储层[J].中国海上油气,2011,23(3):158～162.
[4]徐善辉,郭建.基于HHT的海上地震数据涌浪噪声衰减技术研究[A].中国地球物理学会.中国地球物理[C].北京:中国科学技术大学出版社,2012.
[5]李添才,李列,陈瑜,等.LIFT技术衰减海上近道多次波[J].勘探地球物理进展,2010,33(2):108～110.
[6]孙振刚,李宏图,张晓渝,等.海洋拖缆地震资料处理关键技术[J].天然气工业,2007,27(增刊A):192～194.
[7]张兴岩,朱江梅,杨薇,等.海洋资料多次波组合衰减技术及应用[J].物探与化探,2011,35(4):511～515.
[8]周纳,刘继勇.非对称走时叠前时间偏移方法及应用[J].油气地球物理,2010,8(2):47～52.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心