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应用地球物理  2017, Vol. 14 Issue (1): 49-55    DOI: 10.1007/s11770-017-0603-3
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基于模型的最优接收道数设计方法研究
赵虎1,2,武泗海1,2,杨晶3,任达4,徐维秀3,刘迪鸥4,朱鹏宇4
1. 西南石油大学天然气地质四川省重点实验室,成都 610500
2. 西南石油大学地球科学与技术学院,成都 610500
3. 中国石化地球物理公司胜利分公司,山东东营 257000
4. 川庆钻探地球物理勘探公司,成都 610213
Designing optimal number of receiving traces based on simulation model
Zhao Hu1,2, Wu Si-Hai1,2, Yang Jing3, Ren Da4, Xu Wei-Xiu3, Liu Di-Ou4, and Zhu Peng-Yu4
1. Sichuan Province University Key Laboratory of Natural Gas Geology, Southwest Petroleum University, Chengdu, Sichuan 610500, China.
2. School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China.
3. SINOPEC Geophysical Corporation, Shengli branch, Dongying 257000, China.
4. Chuanqing Drilling & Exploration Corporation, Sichuan Geophysical Company, Chengdu 610213, China.
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摘要 目前观测系统设计中接收道数的选择基本上是基于水平层状介质假设,这显然不能满足复杂地区采集的需求。本文在朱金平研究基础上,通过野外试验法获得最优接收道数问题,进行数值模拟实现,在固定道间距情况下,建立接收总能量与平均效率能量之间的数学模型,获得最优接收道数,并利用一个复杂工区的地震数据对方法的正确性进行验证,模型数据计算的结果与实际数据处理的结果表明,本文方法与实际处理结论一致,说明该方法具有较高的科学性,可以为复杂地区观测系统设计提供新的思路。
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关键词采集设计   观测系统   接收道数优化   模型正演     
Abstract: Currently, the selection of receiving traces in geometry design is mostly based on the horizontal layered medium hypothesis, which is unable to meet survey requirements in a complex area. This paper estimates the optimal number of receiving traces in field geometry using a numerical simulation based on a field test conducted in previous research (Zhu et al., 2011). A mathematical model is established for total energy and average efficiency energy using fixed trace spacing and optimal receiving traces are estimated. Seismic data acquired in a complex work area are used to verify the correctness of the proposed method. Results of model data calculations and actual data processing show that results are in agreement. This indicates that the proposed method is reasonable, correct, sufficiently scientific, and can be regarded as a novel method for use in seismic geometry design in complex geological regions.
Key wordsSurvey design   geometry   receiving trace number optimization   forward modeling   
收稿日期: 2015-12-25;
基金资助:

本研究由国家自然科学基金项目(编号:41304115)、国家科技重大专项(编号:2016ZX05024001-003)、天然气地质四川省重点实验室开放基金(编号:2015trqdz02)和西南石油大学“中青年骨干教师”培养项目联合资助。

引用本文:   
. 基于模型的最优接收道数设计方法研究[J]. 应用地球物理, 2017, 14(1): 49-55.
. Designing optimal number of receiving traces based on simulation model[J]. APPLIED GEOPHYSICS, 2017, 14(1): 49-55.
 
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