| 基于约束插值算法的井资料外推 |
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| 引用本文： | 刘红伟,刘洪,秦月霜,首皓. 基于约束插值算法的井资料外推[J]. 应用地球物理, 2008, 5(4): 307-313. DOI: 10.1007/s11770-008-0032-4 |
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| 作者姓名： | 刘红伟 刘洪 秦月霜 首皓 |
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| 作者单位： | 中国科学院地质与地球物理研究所，中国地质大学(北京)地质过程与矿产资源国家重点实验室，中国石油大庆油田有限责任公司，中国石油勘探开发研究院 |
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| 基金项目： | This research was supported by National Natural Science Foundation of China，National Hi-techResearch and Development Program of China (863 Program)，National Basic Research Program of China，the Opening fund of State Key Laboratory of Geological Processes and Mineral Resources |
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| 摘 要： | Based on a detailed analysis of differences between seismic data and well logs, we discuss the problem of matching seismic traces and well logs and present a new matching method based on event search in instantaneous phase which greatly improves seismic resolution. The method is based on flattening events in instantaneous phase to compare the seismic traces to the well log traces with the same phase. We calculate the coefficients using the singular value decomposition method to extrapolate the well logs. As a result, the events in the seismic profile are continuous and match well with well logs. We apply this method to the Mao-2 well in Daqing Oilfield with good results.
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| 关 键 词： | 地震 勘探 方法 物理学 |
Extrapolate well logs based on the constrained interpolation algorithm |
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| Hongwei Liu,Hong Liu,Yueshuang Qin,Hao Shou. Extrapolate well logs based on the constrained interpolation algorithm[J]. Applied Geophysics, 2008, 5(4): 307-313. DOI: 10.1007/s11770-008-0032-4 |
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| Authors: | Hongwei Liu Hong Liu Yueshuang Qin Hao Shou |
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| Affiliation: | [1]Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China [2]State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing, 100083 [3]The Exploratory development Institute of Daqing Oilfield Limited Liability Company, Daqing 163712, China [4]Research Institute of Exploration and Development of Chinese Petroleum, Beijing 100083, China |
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| Abstract: | Based on a detailed analysis of differences between seismic data and well logs, we discuss the problem of matching seismic traces and well logs and present a new matching method based on event search in instantaneous phase which greatly improves seismic resolution. The method is based on flattening events in instantaneous phase to compare the seismic traces to the well log traces with the same phase. We calculate the coefficients using the singular value decomposition method to extrapolate the well logs. As a result, the events in the seismic profile are continuous and match well with well logs. We apply this method to the Mao-2 well in Daqing Oilfield with good results. |
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| Keywords: | events flattening SVD method instantaneous phase correlation |
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