炮检距选取对斜交观测系统的影响分析
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摘要
斜交观测系统与正交观测系统相比,在不增加检波点的情况下通过改变炮点的排列方式达到改变炮检距分布的目的,斜交观测系统炮检距的分布以及不同范围的炮检距在数量上的变化规律都与正交观测系统不同.本文着重分析了斜交观测系统不同范围炮检距在数量上的变化规律,并分析了这种炮检距的变化对斜交观测系统的影响,最后通过斜交观测系统与正交观测系统所得的地震资料进行了对比验证.
Compared with the orthogonal acquisition system,the oblique system can change the spreading of offset by changing the arrangement mode of sources without adding more receivers.The offset spreading and quantity variation rule on different offsets of the oblique acquisition system are different to the orthogonal system.In this paper,we focus on the analysis of oblique acquisition system's quantity variation rule on different offset ranges and analyze the effect of offset variations on the acquisition system.Finally the seismic data from the oblique acquisition system are compared with the data of orthogonal acquisition system.
Compared with the orthogonal acquisition system,the oblique system can change the spreading of offset by changing the arrangement mode of sources without adding more receivers.The offset spreading and quantity variation rule on different offsets of the oblique acquisition system are different to the orthogonal system.In this paper,we focus on the analysis of oblique acquisition system's quantity variation rule on different offset ranges and analyze the effect of offset variations on the acquisition system.Finally the seismic data from the oblique acquisition system are compared with the data of orthogonal acquisition system.
引文
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[2] Andreas Cordsen等著.陆上三维地震勘探的设计与施工[M].俞寿朋等译.涿州:石油地球物理勘探局,1996． Andreas Cordsen, et al. Design and construction for threedimensional seismic exploration on land[M]. Translated by Yu S P. Zhuozhou: Petroleum Geophysical Exploration Bureau, 1996．
[3] Gijs J.O.Vermeer著.三维地震勘探设计[M].李培明,何永清译.北京:石油工业出版社,2008． Gijs J. O. Vermeer. Design and construction for three-dimensional seismic exploration[M]. Translated by Li P M and He Y Q. Beijing: Petroleum Industry Press, 2008．
[4] 秦广胜,蔡其新,汪功怀,等.基于叠前成像的三维地震观测系统设计[J].地球物理学进展,2010,25(1) :238～248． Qin G S, Cai Q X, Wang G H, et al. 3D seismic geometry design based on pre-stack imaging [J]. Progress in Geophysics,2010,25(1) :238～248．
[5] 王西文,赵邦六,吕焕通,等.地震资料采集方式对地震处理的影响研究[J].地球物理学进展,2010,25(3) :840～852． Wang X W,Zhao B L,L(u|¨) H T, et al. Study of seismic data processing method affected by method of acquisition [J]. Progress in Geophysics,2010,25(3) : 840～852．
[6] 蒋韬,符力耘,碗学检,等.基于波动方程的目标导向观测系统设计方法研究[J].地球物理学进展,2008,23(2) :359～367． Jiang T, Fu L Y, Wan X J, et al. Target-oriented layout designing method based on wave equations[J]. Progress in Geophysics, 2008,23 (2) : 359 ～ 367．
[7] 麻三怀,杨长春,韩晓丽,等.采集脚印分析和处理方法综述[J].地球物理学进展,2008,23(2) :500～507． Ma S H,Yang C C,Han X L, etal. The review of methods of acquisition footprint analysis and processing[J]. Progress in Geophysics, 2008,23 (2) : 500 ～ 507．
[8] 曹国滨,李云伟,崔汝国.垦71地区多波采集方法研究及应用效果[J].地球物理学进展,2007,22(5) :1510～1516． Cao G B, Li Y W,Cui R G. The multi-wave seismic acquisition method and applied result in Ken 71 [ J]. Progress in Geophysics, 2007,22(5) : 1510～1516．
[9] 尹成,吕公河,田继东,等.三维观测系统属性分析与优化设计[J].石油地球物理勘探,2005,40(5) :495～498,509． Yin C, Lv G H, Tian J D, et al. Attribute analysis and optimization for Three-dimensional observation system[J]. Oil Geophysics Prospecting, 2005,40(5) :495～498,509．
[10] 尹成,吕公河,田继东,等.基于地球物理目标参数的三维观测 系统优化设计[J].石油物探,2006,45(1) :74～78． Yin C, Lv G H, Tian J D, et al. Three dimensional survey system optimization based on geophysical Target parameters [J]. Geophysical Prospecting for Petroleum, 2006,45 (1) :74～78．
[11] 韩文公,印兴耀,王兴谋,等.地震技术新进展[M].北京:石油大学出版社,2005:9． Han W G, Yin X Y, Wang X M, et al. Progress in seismic technology[M]. Beijing: China University of Petroleum Press, 2005:9．
[12] 吕公河.高精度地震勘探采集技术探讨[J].石油地球物理勘探,2005,40(3) :261～266． L(u|¨) G H. Research on high-precision seismic acquisition [J].Geophysical Prospecting of Petroleum, 2005, 40(3) :261～266．
[13] 张君廷,杨晓玲,晋志刚,等.陆上三维勘探宽、窄方位角采集探讨[J]. 2004,东部会议专刊:75． Zhang J T, Yang X L, Jin Z G, etal. Research on narrowazimuth acquisition of three-dimensional land exploration[J].2004, Eastern Conference Special Issue: 75．
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