应用测井资料的“三瞬”属性进行地层划分及对比研究

doi:10.11867/j.issn.1001-8166.2010.04.0408

地球科学进展 ›› 2010, Vol. 25 ›› Issue (4): 408 -417. doi: 10.11867/j.issn.1001-8166.2010.04.0408

“土地利用/覆盖变化与综合减灾”专辑上一篇下一篇

应用测井资料的“三瞬”属性进行地层划分及对比研究

徐敬领 ¹,刘洛夫 ^1*,王贵文 ¹,曹光伟 ²,李静 ³

1.中国石油大学油气资源与探测国家重点实验室,北京 102249; 2.中国石油天然气勘探开发公司,北京 100034; 3.新疆油田公司勘探开发研究院地球物理研究所,新疆乌鲁木齐 830011

收稿日期:2009-11-13 修回日期:2010-02-03 出版日期:2010-04-10
通讯作者: 刘洛夫（1958-），男，广东台山人，教授，主要从事石油地质学研究. E-mail:liulf@cup.edu.cn
基金资助:
国家科技重大专项课题“复杂储层油气测井解释理论方法与处理技术”(编号：2008ZX05020-001) 资助. 

The research on division and correlation of stratigraphic sequence based on the “three instantaneous” attribute features of logging data

Xu Jingling ¹,Liu Luofu ¹,Wang Guiwen ¹,Cao Guangwei ²,Li Jing ³

1.State Key Laboratory of Petroleum Resources and Processing, China University of Petroleum, Beijing 102249, China; 2. China National Oil & Gas Exploration and Development Corporation, Beijing 100034, China; 3.Geophysical Research Institute of Exploration and Development Petrochina Xinjiang Oilfield Company, Urumqi 830011, China

Received:2009-11-13 Revised:2010-02-03 Online:2010-04-10 Published:2010-04-10

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地层划分及对比是油气田勘探开发一项重要且存在难题的工作，提出应用Hilbert-Huang变换方法提取常规测井资料（自然伽马、声波时差等）的“三瞬”属性特征进行地层划分及对比，即“瞬时频率”、“瞬时振幅”、“瞬时相位”3个属性，揭示了测井数据各深度处的频率特性,可以清晰反映出频率变化的结构特征。依据不同属性的振荡异常刻度层序边界，不同频率成分的属性振荡周期变化特征刻度不同规模的层序旋回周期特征，进而利用“三瞬”属性信息进行地层对比，刻画地层内部特征。利用这些属性异常可以清晰地找到对应地层序列中不同级别的界面,进而实现对各级层序划分，在各级层序格架控制下，进行各级地层等时对比。提取测井资料的三瞬属性为高分辨率层序地层研究提供了一种新的方法思路，为推动高分辨率层序地层学的发展具有重要意义。
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关键词: 测井资料, 层序划分, “三瞬”属性, 频率成分, 地层对比

The stratigraphic division and correlation has important guiding significance to oil and gas field. This paper presents the application of Hilbert-Huang Transform to extract the “three instantaneous” attribute features of logging data (GR,AC) to perform the division and correlation of stratigraphic sequence, that is, the three properties of "instantaneous frequency", "instantaneous amplitude", "instantaneous phase" are extracted from logging data, which revealed the frequency characteristics of each depth of logging data and clearly reflected the structural characteristics of the frequency change. According to the oscillation anomalies of different attributes, we scale sequence boundaries, and use the variation characteristics of oscillation period of different frequency components attributes to scale the periodic characteristics of different scale sequence cycle, then use the “three instantaneous” attribute information for stratigraphic correlation, and for describing the internal features of formation. These attributes anomalies can be used to clearly find the different class interface of stratigraphic sequence, to achieve the sequence division at all levels, and under the control of sequence stratigraphic framework at all levels, we can do the isochronous stratigraphic correlation at all levels. The “three instantaneous” attribute extraction of logging data provides a new approach and idea for high resolution sequence stratigraphy analysis, and it has important significance for promoting the development of high-resolution sequence stratigraphy.

Key words: logging data, sequence division, the “three instantaneous&rdquo, attribute, frequency components, stratigraphic correlation

中图分类号:

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