| 鄂尔多斯盆地苏里格地区奥陶系马家沟组古岩溶特征 |
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| 引用本文： | 李彩莲,王宝清,尚凯.鄂尔多斯盆地苏里格地区奥陶系马家沟组古岩溶特征[J].西部探矿工程,2011,23(5):43-45,50. |
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| 作者姓名： | 李彩莲 王宝清 尚凯 |
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| 作者单位： | 1. 西安石油大学油气资源学院,陕西,西安,710065
2. 中石化西北油田分公司勘探开发研究院,新疆,乌鲁木齐,830011 |
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| 摘 要： | 鄂尔多斯盆地苏里格地区古岩溶对天然气成藏具有重要意义。根据岩溶的发育机理、先后顺序、持续时间、特征、影响因素以及与储集空间类型等,可以识别出同生期岩溶、表生期岩溶和埋藏期岩溶三种类型的古岩溶。古岩溶具有明显的分带性,分为地表岩溶带、垂直渗流岩溶带、水平潜流岩溶带和深部缓流岩溶带。岩性、构造和成岩环境是控制岩溶发育的主要因素。
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| 关 键 词： | 奥陶系 古岩溶 鄂尔多斯盆地 苏里格地区 |
The Characteristics of Ordovician Paleokarst in Sulige Region in Erdos Basin |
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| LI Cai-lian,WANG Bao-qin,SHANG Kai.The Characteristics of Ordovician Paleokarst in Sulige Region in Erdos Basin[J].West-china Exploration Engineering,2011,23(5):43-45,50. |
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| Authors: | LI Cai-lian WANG Bao-qin SHANG Kai |
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| Affiliation: | 1.School of Petroleum Resources,Xi′an Petroleum University,Xi′an Shanxi 710065,China;2.Development Department of NWBC,SINOPEC,Urumqi Xinjiang 830011,China;) |
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| Abstract: | The Ordovician paleokarst has influence on natural gas formation and reservation in the Sulige region in the Erdos basin.Based on mechanism,order,lasted time,characteristics,controlling factors and reservoir space of the paleokarst development,three types of paleokarst-syndepositional,burial and epigenetic karsts are recognized.The paleokarts show obvious zone,which is classified into subaerial zone,vertical vadose zone,horizontal undercurrent zone,and deep slow current zone.The lithologic characteristics,g... |
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| Keywords: | Ordovician paleokarst Erdos Basin Sulige region |
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