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| Prediction of Apparent Equivalent Thickness Using the Spontaneous Potential Method and Its Application to Oilfield Development | |
| 作者姓名： | 王君恒 潘竹平 孙树文 郭雷 |
| 作者单位： | [1]State Key Laboratory of Geological Processes and Mineral Resources; Geo-detection Laboratory, Ministry of Education, Beijing 100083, China [2]School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China [3]The No.6 Institute of Shandong Geo-exploration Bureau, Zhaoyuan 265400, China [4]Department of Earth Sciences, Nanjing University, Nanjing 210093, China |
| 基金项目： | This paper is supported by Geo-detection Laboratory, Ministry of Education of China （No. 20060112）. |
| 摘 要： | The upper spontaneous potential produced by oil and gas accumulation is of a stable potential field, and its intensity is directly proportional to the content of the source and inversely proportional to the radius apart from the source. Theoretical research and practical results show that anomalies of spontaneous potential can indicate oil-bearing sandstone bodies and locate the areas of oil and gas accumulation. In oil areas which have fewer reservoir beds, the petroleum reservoir thickness can be predicted by determining the linear relationship between potential intensity and apparent equivalent thickness. In the Weixing （卫星） oilfield, which is devoid of sufficient reservoir beds, its apparent equivalent thickness can be predicted by the linear equation h= -0.19x＋0.74. On the basis of geological research, we use the spontaneous potential method to predict the equivalent thickness, helping in the selection of the most appropriate drill sites to enhance the probability of successful well boring so as to serve the next round development of the oilfield. |
| 关 键 词： | 油田勘探 油气沉积 等效浓度 预测 |
| 收稿时间： | 20 March 2007 |
| 修稿时间： | 2007-03-20 |
Prediction of Apparent Equivalent Thickness Using the Spontaneous Potential Method and Its Application to Oilfield Development |
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| Wang Junheng,Pan Zhuping,Sun Shuwen,Guo Lei.Prediction of Apparent Equivalent Thickness Using the Spontaneous Potential Method and Its Application to Oilfield Development[J].Journal of China University of Geosciences,2007,18(3):269-279. | |
| Authors: | Wang Junheng Pan Zhuping Sun Shuwen Guo Lei |
| Institution: | 1. State Key Laboratory of Geological Processes and Mineral Resources;Geo-detection Laboratory, Ministry of Education, Beijing 100083, China;School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China 2. The No.6 Institute of Shandong Geo-exploration Bureau, Zhaoyuan 265400, China 3. Department of Earth Sciences, Nanjing University, Nanjing 210093, China 4. State Key Laboratory of Geological Processes and Mineral Resources;Geo-detection Laboratory, Ministry of Education, Beijing 100083, China |
| Abstract: | The upper spontaneous potential produced by oil and gas accumulation is of a stable potential field, and its intensity is directly proportional to the content of the source and inversely proportional to the radius apart from the source. Theoretical research and practical results show that anomalies of spontaneous potential can indicate oil-bearing sandstone bodies and locate the areas of oil and gas accumulation. In oil areas which have fewer reservoir beds, the petroleum reservoir thickness can be predicted by determining the linear relationship between potential intensity and apparent apparent equivalent thickness can be predicted by the linear equation h= -0.19x 0.74. On the basis of geological research, we use the spontaneous potential method to predict the equivalent thickness, helping in the selection of the most appropriate drill sites to enhance the probability of successful well boring so as to serve the next round development of the oilfield. |
| Keywords: | oil and gas accumulation equivalent thickness prediction |
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