双反射偏移(DWM)技术介绍及应用

被引：3

作者：

王愫

机构：

[1] 北京安久吉利科贸有限公司

来源：

岩性油气藏 | 2008年 / 02期

关键词：

双反射偏移; 垂直界面; 成像;

D O I：

暂无

中图分类号：

P631.4 [地震勘探];

学科分类号：

0818 ; 081801 ; 081802 ;

摘要：

通过波动方程全波场正演模拟技术,揭示了垂直界面产生的二次反射,即双反射的波场特征,在此基础上研究了双反射偏移成像技术。模型正演表明,双反射偏移成像技术可使地下垂直或接近垂直的界面得以准确成像。通过该项技术的应用,使得利用常规地震处理技术不能准确成像的近垂直的各种波阻抗界面(断面、盐丘侧翼、油气水分界线等)得以准确成像,这对常规地震成像作了有益的补充。对有关断裂系统地质信息的准确识别及发现由断裂控制的继承性高产油气带和由微断层分割控制的剩余油等均具有十分重要的意义。

引用

页码：78 / 82

页数：5

共 10 条

[1]

Migration by extrapolation of time-dependent boundary values. McMechan, G A. Geophysical Prospecting . 1983

[2]

Suppressing artifacts in prestack reverse time migration. Fletcher R,Fowler P,Kitchenside P,et al. 75th Annual International Meeting Expanded Abstracts . 2005

[3]

Seismic waves interpretation within complexmedia. LutsenkoBN. Nedra . 1987

[4]

Mappingofbasement and other tectonic features usingseasat and thematic mapper in hydro-carbon producing areas of the Western Canadian Sedimentary Basin of Canada. Misra KS,SlaneyVR,GrahamD,et al. Canadian Journal of Remote Sensing . 1991

[5]

[6]

Finite-difference modeling of duplex waves reflected from subvertical boundaries. Kostyukevych AS,MarmalevskyNY,Gornyak ZV,et al. Geophysical Journal(Ukraine) . 2001

[7]

Challenges in reverse-time migration. Yoon K,Warfurt K,Starr W. 74th Annual International Meeting,Expanded Abstracts . 2004

[8]

One-return wave equation migration:Imaging of duplex waves. Jin S,Xu S,Walraven D. 76th Annual International MeetingExpanded Abstracts . 2006

[9]

3Deikonal solver in tilted TI media. RoganovYV. 68th EAGE Conference and Exhibition,Expanded Abstracts . 2006

[10]

Application ofreverse time migration to complex imaging problems. Farmer P A,Jones I F,Zhou H,et al. First Break . 2006

← 1 →