纵、横波匹配影响因素分析
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摘要
纵、横波匹配在多波多分量地震资料处理和解释之间承担着桥梁作用,纵、横波全面匹配涉及到时间、振幅、频率和相位等方面的匹配,而每个参数对匹配的影响是不同的。为更好地定量分析匹配的影响因素,从理论模型着手,设计了简单的地震模型,分别从纵横波速度比,纵、横波振幅差异,频率差异和相位差异4个方面分析了各参数对纵、横波匹配的影响。结果表明,纵横波速度比对纵、横波匹配的影响最大,其次是相位差异和频率差异,而纵、横波振幅差异不影响匹配效果。
PP-wave and PS-wave matching is regarded as the bridge between multi-wave &multi-component seismic data processing and interpretation.The entire matching of PP-wave and PS-wave involves in the matching of time,amplitude,frequency,phase,etc.Different parameters have different impact on the matching result.For better quantitative analysis of the matching factors,we designed a simple seismic numerical model and analyzed the impact of the parameters on the result of PP-wave and PS-wave matching respectively from four aspects of vP/vS,difference of the amplitude,frequency and phase between PP-wave and PS-wave.The results show that vP/vS has the greatest impact on PP-wave and PS-wave matching,followed by phase difference and frequency difference,whereas PP-wave and PS-wave amplitude difference has no impact on matching.
PP-wave and PS-wave matching is regarded as the bridge between multi-wave &multi-component seismic data processing and interpretation.The entire matching of PP-wave and PS-wave involves in the matching of time,amplitude,frequency,phase,etc.Different parameters have different impact on the matching result.For better quantitative analysis of the matching factors,we designed a simple seismic numerical model and analyzed the impact of the parameters on the result of PP-wave and PS-wave matching respectively from four aspects of vP/vS,difference of the amplitude,frequency and phase between PP-wave and PS-wave.The results show that vP/vS has the greatest impact on PP-wave and PS-wave matching,followed by phase difference and frequency difference,whereas PP-wave and PS-wave amplitude difference has no impact on matching.
引文
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[3]李录明,罗省贤.多波资料处理及解释方法的研究进展[J].石油地球物理勘探,2006,41(6):663-671Li L M,Luo S X.Progress in study of multi-wavedata processing and interpretation[J].Oil Geophysi-cal Prospecting,2006,41(6):663-671
[4]程冰洁,唐建明,徐天吉.转换波3D3C地震勘探技术的研究现状及发展趋势[J].石油天然气学报,2008,30(2):235-238Cheng B J,Tang J M,Xu T J.Status and Develop-ment of Converted Wave 3D3CSeismic Technologies[J].Journal of Oil and Gas Technology,2008,30(2):235-238
[5]符志国,梁波,吴战培,等.多波叠前联合反演方法[J].天然气工业,2007,27(增刊A):471-474Fu Z G,Liang B,Wu Z P,et al.multi-wave pre-stackjoint inversion method[J].Natural Gas Industry,2007,27(S1):471-474
[6]马季,巴晶,李玉凤.多尺度地震波资料匹配研究进展[J].地球物理学进展,2011,26(3):1021-1030Ma J,BA J,Li Y F,Review of mathc methods formulti-scale seismic data[J].Progress in Geophysics,2011,26(3):1021-1039
[7]Li X.Converted-wave moveout analysis revisited:thesearch for a standard approach[J].Expanded Ab-stracts of 73rd Annual Internat SEG Mtg,2003,805-808
[8]叶泰然,付顺,吕其彪,等.多波地震联合反演预测相对优质储层——以川西深层致密碎屑砂岩为例[J].石油与天然气地质,2009,30(3):357-362,369Ye T R,Fu S,LV Q B.Application of multiwavejoint inversion to the prediction of relatively high-quality reservoirs_an example from the prediction ofdeep tight clastic sandstone reservoirs in the westernSichuan Basin[J].Oil&Gas Geology,2009,30(3):357-362,369
[9]蔡希源.深层致密砂岩气藏天然气富集规律与勘探关键技术——以四川盆地川西坳陷须家河组天然气勘探为例[J].石油与天然气地质,2010,31(6):707-714Cai X Y.Gas accumulation patterns and key explora-tion techniques of deep gas reservoirs in tight sand-stone:an example from gas exploration in the Xujia-he Form ation of the western Sichuan Depression,the Sichuan Basin[J].Oil&Gas Geology,2010,31(6):707-714
[10]何治亮,魏修成,钱一雄,等.海相碳酸盐岩优质储层形成机理与分布预测[J].石油与天然气地质,2011,32(4):489-498He Z L,Wei X C,Qian Y X,et al.Forming mecha-nism and distribution prediction of quality marinecarbonate reservoirs[J].Oil&Gas Geology,2011,32(4):489-498
[11]周兴元.常相位校正[J].石油地球物理勘探,1989,24(2):119-129Zhou X Y.Constant phase correction[J].Oil Geo-physical Prospecting,1989,24(2):119-129
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