| Definition and Classification of Low-Resistivity Oil Zones |
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| 作者姓名： | LIU Shuang-lian LIU Jun-lai LI Hao ZHOU Yong-sheng |
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| 作者单位： | [1]State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China [2]Key Laboratory of Lithosphere Tectonics and Lithoprobing Techology of Ministry of Education, China University of Geosciences, Beijing 100083, China [3]Exploration and Production Research Institute, SINOPEC, Beijing 100083, China [4]China University of Petroleum, Beijing 102249, China [5]Exploration and Production Research Institute, PetroChina ,Beijing 100083, China |
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| 基金项目： | Acknowledgements We thank Professor Qin Yong, for his valuable comments and suggestions in the early draft of the paper. We also thank Professor Liao Ming-shu, Professor Zhu Xiao-min, Professor Wang Gui-wen and senior engineer Zhou Can-can, for their comments which led to improvement of the article. |
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| 摘 要： | Although the analysis of the microcosmic mechanism for low-resistivity oil zones has received much attention in China, the intrinsic relationship between low-resistivity oil zones and geological background is still under-developed. Based on the geology and logging analysis, we redefine low-resistivity oil zones. According to their genesis, low-resistivity oil zones can be distinguished as five different classes： low-resistivity oil zones formed by tectonic settings, by depositional settings, by diagenetic settings, by invaded settings and those which are formed by the compounding geneses respectively. We make the following observations from this study on the definition and classification of low-resistivity oil zones： 1） A low-resistivity oil reservoir has macroscopic and microscopic unity. 2） The genesis of low-resistivity oil zones varies with the type of petroliferous basin. 3） Some low-resistivity oil zones can be forecasted based on the geological study results. 4） The results in this paper suggest that well logging information is generated from two cause mechanisms, the geophysical factors and the geological setting. Future studies on the geological background cause mechanism and the theory of well logging information will enrich the theory of logging geology and improve the ability to forecast oil zones.
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| 关 键 词： | 低电阻率石油带 地质背景 分类 石油地质 |
| 收稿时间： | 2005-10-20 |
| 修稿时间： | 2005-11-20 |
Definition and Classification of Low-Resistivity Oil Zones |
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| LIU Shuang-lian LIU Jun-lai LI Hao ZHOU Yong-sheng.Definition and Classification of Low-Resistivity Oil Zones[J].Journal of China University of Mining and Technology,2006,16(2):228-232. |
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| Authors: | LIU Shuang-lian LIU Jun-lai LI Hao ZHOU Yong-sheng |
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| Abstract: | Although the analysis of the microcosmic mechanism for low-resistivity oil zones has received much attention in China, the intrinsic relationship between low-resistivity oil zones and geological background is still under-developed. Based on the geology and logging analysis, we redefine low-resistivity oil zones. According to their genesis, low-resis- tivity oil zones can be distinguished as five different classes: low-resistivity oil zones formed by tectonic settings, by depositional settings, by diagenetic settings, by invaded settings and those which are formed by the compounding geneses respectively. We make the following observations from this study on the definition and classification of low-resistivity oil zones: 1) A low-resistivity oil reservoir has macroscopic and microscopic unity. 2) The genesis of low-resistivity oil zones varies with the type of petroliferous basin. 3) Some low-resistivity oil zones can be forecasted based on the geological study results. 4) The results in this paper suggest that well logging information is generated from two cause mechanisms, the geophysical factors and the geological setting. Future studies on the geological background cause mechanism and the theory of well logging information will enrich the theory of logging geology and improve the ability to forecast oil zones. |
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| Keywords: | low-resistivity oil zone geologic background genesis classification |
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