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| Shale gas potential assessment of Changsan uplift area in southern North China basin by using wide field electromagnetic method |
| LING Fan1, 2, ZHU Yu-Zhen3, ZHOU Ming-Lei4 |
1. School of Geosciences and Info-Physics of Central South University, Changsha 410083, China;
2. Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring(Central South University), Ministry of Education, Changsha 410083, China;
3. Shandong Provincial Research Institute of Coal Geology Planning and Exploration, Ji'nan 256010, China;
4. Hunan Geosun High-Tech Co., Ltd., Changsha 410208, China |
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Abstract Using the Wide Field Electromagnetic Method, the authors ascertained the tectonic framework of the Changsan uplift area in southern North China basin. The relief and the burial depth of the basement, the main distribution of the strata in the work area were found out. The burial depth and the thickness of the low resistivity zone were determined so as to determine the favorable location of the shale layer. Interpretation results were verified by drilling recorder, and better geological achievement was gained. The results of the exploration provide very useful geological and geophysical information for the shale gas 'target' and 'dessert' area exploitation and show clearly the validity of the wide field electromagnetic method in detecting shale gas strata.
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Received: 24 October 2016
Published: 10 April 2017
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