| 区域航磁资料在预测松辽盆地北部区域地温场中的应用 |
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| 引用本文： | 刘益中,李成立,周锡明,冯肖宇.区域航磁资料在预测松辽盆地北部区域地温场中的应用[J].地球物理学报,2012,55(3):1063-1069. |
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| 作者姓名： | 刘益中 李成立 周锡明 冯肖宇 |
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| 作者单位： | 1. 江苏省有色金属华东有色地质勘查局,南京 210093;
2. 江苏省有色金属华东地质勘查局814队,镇江 212005;
3. 大庆油田有限责任公司勘探开发研究院, 大庆 163712;
4. 中国地质大学(武汉), 武汉430074 |
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| 基金项目： | 国家重点基础研究发展计划(973) |
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| 摘 要： | 分析了应用区域航磁资料研究区域地温场的方法,提出了在探井井温资料控制下采用指数形式的方法计算地温梯度,并建立起居里深度与近地表地温梯度、指数因子的关系,给出了求取近地表地温梯度、指数因子的方法及公式,推导了不同深度地温及平均地温梯度的计算公式.通过对松辽盆地北部区域地温场计算结果分析认为,应用区测航磁资料结合一定数量的井温资料可较好地预测区域地温场,为盆地评价提供较为可靠的地温场资料.
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| 关 键 词： | 航磁 地温梯度 居里面 居里温度 井温资料 指数方法 |
| 收稿时间： | 2010-12-29 |
Application of regional aeromagnetic data in predicting the northern regional geothermal field in Songliao Basin |
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| LIU Yi-Zhong
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LI Cheng-Li
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ZHOU Xi-Ming
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FENG Xiao-Yu.Application of regional aeromagnetic data in predicting the northern regional geothermal field in Songliao Basin[J].Chinese Journal of Geophysics,2012,55(3):1063-1069. |
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| Authors: | LIU Yi-Zhong LI Cheng-Li ZHOU Xi-Ming FENG Xiao-Yu |
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| Institution: | 1. Eastern China Geological & Mining Organization for Non-ferrous Metals in Jiangsu Province, Nanjing 210093, China;
2. Team 814, Eastern China Geological & Mining Organization for Non-ferrous Metals in Jiangsu Province, Zhenjiang 212005,China;
3. Daqing Oilfield Co., Ltd. Exploration and Development Institute, Daqing 163712,China;
4. University of Geosciences(Wuhan), Wuhan 430074,China |
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| Abstract: | This paper analyzes the application of regional aeromagnetic data in studying regional geothermal field,and put forward the method of calculating geothermal gradient on the base of well temperature data by using exponential form,establishing a relationship between Curie depth and near-surface geothermal gradient,as well as the index factor,and giving out the method and formula to obtain near-surface geothermal gradient.Through the analysis of regional geothermal field calculation result in northern Songliao basin,it is considered that by combining measured aeromagnetic data with a certain amount of well temperature data we can predict the regional geothermal field better,and also provide more reliable temperature data evaluation of the basin. |
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| Keywords: | Aeromagnetic Geothermal gradient Curie surface Curie temperature Well temperature data Index method |
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