一致性处理技术在准噶尔盆地三维连片处理中的应用

doi:10.13810/j.cnki.issn.1000-7210.2018.S2.007

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摘要 MX1JB三维连片处理，包含五块不同年代采集的三维资料，涉及到气枪、可控震源、井炮三种震源和水陆两种接收方式。不同区块资料的振幅、频率和相位存在明显差异，一致性处理至关重要。为此，结合GeoEast处理系统的特色技术，建立了针对该区资料的一致性处理技术流程。首先利用水陆检合并技术消除不同接收方式的影响；然后通过球面扩散补偿和地表一致性振幅补偿技术分别对地震记录的纵、横向能量进行恢复；再采用地表一致性反褶积和子波整形技术消除由不同震源引起的子波的频率、相位、波形差异。最终得到的地震资料一致性好，成像质量高，为后续构造解释和储层预测提供了高品质资料。

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	李晓峰
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	郑伟
	潘焕革
	付建超

关键词 ：一致性处理, 水陆检数据合并, 地表一致性反褶积, 子波整形

Abstract：The MX1JB 3D merging project involves five 3D seismic data sets,which were acquired in different times,with different sources and sensors:air gun,vibroseis,and dynamite; geophones and hydrophones.The amplitude,frequency,and phase of the data are significantly different.So the consistent processing isextremely important for this merging project.To this end,a consistent processing flow is established based on powerful processing approaches provided by GeoEast System.Firstly,the influence of different receivers is eliminated by dual sensor data summing.Then the longitudinal and lateral energy of seismic records are recovered with spherical diffusion compensation and surface consistent amplitude compensation respectively.Finally the frequency,phase,and waveform differences of wavelets caused by different sources are eliminated by the surface consistent deconvolution and wavelet shaping.Our consistent processing achieves quite good data consistency,which provides a solid foundation for subsequent seismic interpretation and reservoir prediction.

Key words： consistent processing dual sensor data summing surface consistent deconvolution wavelet shaping

收稿日期: 2018-09-17

PACS:

P631

基金资助:本项研究受国家油气重大专项“准噶尔前陆冲断带油气成藏、关键勘探技术及新领域目标优选”（2016ZX05003-005）资助。

通讯作者: 李晓峰,新疆自治区乌鲁木齐市北京北路397号石油地球物理研究所,830013。Email:li-xfeng@petrochina.com.cn E-mail: li-xfeng@petrochina.com.cn

作者简介: 李晓峰,工程师,1989年生;2012年获中国石油大学(华东)地球物理学专业理学学士学位,2015年获中国石油大学(华东)地球物理学专业理学硕士学位;目前在中国石油新疆油田分公司勘探开发研究院地球物理研究所从事方法研究及地震资料处理工作。

引用本文:

李晓峰, 王晓涛, 林娟, 郑伟, 潘焕革, 付建超. 一致性处理技术在准噶尔盆地三维连片处理中的应用[J]. 石油地球物理勘探, 2018, 53(s2): 33-41. LI Xiaofeng, WANG Xiaotao, LIN Juan, ZHENG Wei, PAN Huan'ge, FU Jianchao. Consistent processing for 3D seismic data merging in Junggar Basin. Oil Geophysical Prospecting, 2018, 53(s2): 33-41.

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http://www.ogp-cn.com/CN/10.13810/j.cnki.issn.1000-7210.2018.S2.007 或 http://www.ogp-cn.com/CN/Y2018/V53/Is2/33

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