| 川西含油气拗陷上三叠统含水系统和水文地质期的划分和定位 |
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| 关键词:aquifer system hydrogeological period classification deposition system Chuanxi depression |
| 基金项目:国家自然科学基金项目(编号:40572143) |
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| 摘要: |
| The Division and Positioning of Upper Triassic Aquifer Systems and Hydrogeological Periods in Western Sichuan Petroleum depression |
| The deposition environment, rock assemblages, hydrochemistry, carbon isotopes of Chuanxi depression were studied in this paper. Based on the results, the authors divided Upper Triassic Xujiahe Formation into three main aquifers, namely the 2nd, 4th and 6th members, and three aquitards, i.e., the 1st, 3rd and 5th members. Studies of tectonic movements, hydrodynamics and geophysical fields show that the aquifers have experienced different hydrogeological periods. The construction of aquifer series and hydrogeological periods helps build a general model for deep groundwater formation and evolution and also guides the study of the relationship between the deep groundwater and the gas reservoir. |
| WANG Shan,ZHANG Hong-da,SUN Ji-chao,JING Ji-hong.2007.The Division and Positioning of Upper Triassic Aquifer Systems and Hydrogeological Periods in Western Sichuan Petroleum depression[J].Acta Geoscientica Sinica,28(6):591-596. |
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