复杂地区炮点偏点优化设计方法讨论及应用
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摘要
探讨复杂地表条件下炮点自动偏移的方法,为野外施工设计提供技术与效率保障。从炮点纵向与横向偏移的规则入手,采用先横向偏移后纵向偏移的优先查找规则,优化设计了基于横-横纵向查找,并以横向最优距离、纵向最小距离的匹配方法。结果表明,以最优匹配距离为准则可最大限度地满足炮点偏移需求与合理的覆盖次数要求。通过采用偏点的自动优化模拟与设计,可最大限度地保证地震采集资料的品质、覆盖次数与施工效率。
This paper discusses the shot point automatic offset method under complicated surface conditions to provide technical and design supports efficiently for field operations.Based on the rule of the vertical and lateral offset shot points,the optimal matching method of the optimization distance design on horizontal and the minimum distance design on vertical is designed on the basis of the cross vertical search.The results show that the most optimal matching criteria can satisfy the shot point migration demand and reasonable folds requirements.By using the automatic optimization,simulation and design of the offset points,the quality of the maximum seismic acquisition materials,folds and construction efficiency can be insured.
This paper discusses the shot point automatic offset method under complicated surface conditions to provide technical and design supports efficiently for field operations.Based on the rule of the vertical and lateral offset shot points,the optimal matching method of the optimization distance design on horizontal and the minimum distance design on vertical is designed on the basis of the cross vertical search.The results show that the most optimal matching criteria can satisfy the shot point migration demand and reasonable folds requirements.By using the automatic optimization,simulation and design of the offset points,the quality of the maximum seismic acquisition materials,folds and construction efficiency can be insured.
引文
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[2]Beasley C J,Vermeer G J O.3-D Seismic Survey De-sign[M].Tulsa:Soc of Exploration Geophysicists,2002.
[3]Telford W M,Geldart L P.Applied Geophysics Sec-ond Edition[M].New York:Cambridge UniversityPress,2004:186-190.
[4]易远元,雷鸣,安俊.基于地理信息的三维地震资料采集设计[J].科技经济市场,2009(10):29-32.
[5]庄道川,曾庆才,张亚斌,等.超大偏移距地震资料处理方法[J].西南石油学院学报,2003,25(2):11-14.
[6]卢开澄.单目标、多目标与整数规划[M].北京:清华大学出版社,1997.
[7]袁亚湘,孙文瑜.最优化理论与方法[M].北京:科学出版社,1997.
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