| 一种提高VSP分辨率的反Q滤波方法 |
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| 引用本文： | 严红勇,刘洋,赵前华,李绪宣,江南森.一种提高VSP分辨率的反Q滤波方法[J].石油地球物理勘探,2011(6). |
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| 作者姓名： | 严红勇 刘洋 赵前华 李绪宣 江南森 |
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| 作者单位： | 中国石油大学(北京)油气资源与探测国家重点实验室;中国石油大学(北京)CNPC物探重点实验室;中海石油油田服务股份有限公司油田技术事业部;中海石油研究中心; |
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| 基金项目： | 国家科技重大专项课题(2011ZX05024-001-02)资助 |
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| 摘 要： | 由于VSP记录的地震波的衰减程度与地面地震记录的地震波的衰减程度不同,因此对VSP资料进行反Q滤波处理,直接应用地面地震资料的反Q滤波方法是不准确的,需要对其进行改进。本文基于Wang处理地面地震资料的反Q滤波方法,提出一种适用于VSP资料的反Q滤波方法,即先对VSP资料上、下行波场进行分离,然后根据VSP上、下行波各自的波场特点,分别进行反Q滤波补偿。采用此法对模型数据和实际VSP资料分别进行反Q滤波补偿处理,均取得了比较好的效果。
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| 关 键 词： | VSP 分辨率 反Q滤波 补偿 |
A method for improving VSP resolution by inverse Q filtering |
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| Yan Hong-yong,Liu Yang,Zhao Qian-hua,Li Xu-xuan , Jiang Nan-sen..State Key Laboratory of Petroleum Resource , Prospecting,China University of Petroleum,Beijing ,China.CNPC Key Laboratory of Geophysical Exploration,China.Oilfield Technology.A method for improving VSP resolution by inverse Q filtering[J].Oil Geophysical Prospecting,2011(6). |
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| Authors: | Yan Hong-yong Liu Yang Zhao Qian-hua Li Xu-xuan Jiang Nan-senState Key Laboratory of Petroleum Resource Prospecting China University of Petroleum Beijing ChinaCNPC Key Laboratory of Geophysical Exploration ChinaOilfield Technology |
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| Affiliation: | Yan Hong-yong1,2,Liu Yang1,Zhao Qian-hua3,Li Xu-xuan4 and Jiang Nan-sen4.1.State Key Laboratory of Petroleum Resource and Prospecting,China University of Petroleum(Beijing),Beijing 102249,China2.CNPC Key Laboratory of Geophysical Exploration,China3.Oilfield Technology Department,China Oilfield Services Limited,Beijing 101149,China4.Petroleum Research Centre of CNOOC,Beijing 100027,China |
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| Abstract: | Because the difference of seismic wave attenuation between VSP and surface seismic,it is inaccurate to use inverse Q filtering method of processing directly surface seismic data.Based on the inverse Q filtering for surface seismic data(Wang),we propose in this paper an inverse Q filtering suitable for VSP data.Firstly we apply wave field separation of upgoing wave and downgoing wave on VSP data.Then we use inverse Q filtering compensation according to VSP upgoing and downing wave characteristics.Test result... |
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| Keywords: | VSP resolution inverse Q filtering compensation |
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