单点单检波器地震勘探技术
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摘要
以往大量使用的地震检波器野外组合,理论上对野外噪音有压制作用,但野外应用受各种因素影响,压制效果并不令人满意,特别是由于检波器本身的误差、近地表的不一致性等因素,野外组合反而污染了地震数据。采用单点单检波器接收,室内进行数字组合,能有效地消除规则干扰和其它噪音,提高动态范围和数据保真度
Traditional field grouping arrangement of the geophone can theoretically suppress noises. But due to the attenuation error of the geophone itself and near-surface inconsistency,seismic data quality is reversely influenced by the grouping arrangement of the geophone. Using seismic exploration technology of single point with one geophone can effectively eliminate regular interferences and anomaly noises,and enhance the dynamic range and data fidelity.
Traditional field grouping arrangement of the geophone can theoretically suppress noises. But due to the attenuation error of the geophone itself and near-surface inconsistency,seismic data quality is reversely influenced by the grouping arrangement of the geophone. Using seismic exploration technology of single point with one geophone can effectively eliminate regular interferences and anomaly noises,and enhance the dynamic range and data fidelity.
引文
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[12] 王梅生.东方公司、石油物探西部技术交流会:高密度地震勘探技术探讨,2004(资料)
[2] Burger,P .Comparisonbetweensingleandmulti-channelcabletelemetrysystemsinharshterrains:FirstBreak,18,No.2,2000
[3] Ongkiehong,L .andAskin,H .J .Towardstheuniversalseismicacquisitiontechnique:FirstBreak,06,No.2,1988
[4] Heath,R .G .Impactinglow-impactseismic:Hart′sECtP ,April2003
[5] Blacquiere,G .andOngkiehong.L .Singlesensorrecord ing:Antialiasfiltering,perturbationsanddynamicrange,70th,2000
[6] Ongkiehong,L .andHuizer,W .Dynamicrangeoftheseis micsystem:FirstBreak,05,No.12,1987
[7] AnnualInternationalMeeting,SEG
[8] Newman,P .andMahoney,J .T .Patternswithapinchofsalt:GeophysicalProspecting21,1973
[9] Heath,R .G .Hybridcellularseismictelemetrysystems:TheLeadingEdge,Volume22,No.10,2003
[10] Heath,R .G .Landseismic:needsandanswers:FirstBr eak,Volume22,2004
[11] 张广娟.东方公司、石油物探西部技术交流会:高密度采集及低信噪比地区的室内组合分析,2004(资料)
[12] 王梅生.东方公司、石油物探西部技术交流会:高密度地震勘探技术探讨,2004(资料)
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