| 鄂尔多斯盆地苏里格气田低效气藏的形成机理 |
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| 引用本文： | 赵文智,汪泽成,朱怡翔,王兆云,王朋岩,刘新社. 鄂尔多斯盆地苏里格气田低效气藏的形成机理[J]. 石油学报, 2005, 26(5): 5-9. DOI: 10.7623/syxb200505002 |
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| 作者姓名： | 赵文智 汪泽成 朱怡翔 王兆云 王朋岩 刘新社 |
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| 作者单位： | 1. 中国石油勘探开发研究院, 北京, 100083;2. 中国石油长庆油田公司, 陕西, 西安, 710021 |
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| 基金项目： | 国家重大基础研究发展规划（973）项目（2001CB209100）. |
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| 摘 要： | 鄂尔多斯盆地苏里格气田是一个地质储量为5336.52×108m3、含气面积为4054.6km2的大气田,同时也是一个低丰度储量、开发难度大的气田。对该气田低效形成机理的研究结果表明,储集体内部非均质性强,平缓构造背景导致气柱高度小,因而气层连通性变差,异常低压使天然气穿透流动能量不足,这些是导致气藏低效的主要因素。
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| 关 键 词： | 鄂尔多斯盆地 苏里格气田 低效气藏 非均质性 低压异常 连通性 |
| 文章编号： | 0253-2697（2005）05-0005-05 |
| 收稿时间： | 2005-01-28 |
| 修稿时间： | 2005-04-03 |
Forming mechanism of low-efficiency gas reservoir in Sulige Gas Field of Ordos Basin |
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| ZHAO Wen-zhi,WANG Ze-cheng,ZHU Yi-xiang,WANG Zhao-yun,WANG Peny-yan,LIU Xin-she. Forming mechanism of low-efficiency gas reservoir in Sulige Gas Field of Ordos Basin[J]. Acta Petrolei Sinica, 2005, 26(5): 5-9. DOI: 10.7623/syxb200505002 |
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| Authors: | ZHAO Wen-zhi WANG Ze-cheng ZHU Yi-xiang WANG Zhao-yun WANG Peny-yan LIU Xin-she |
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| Affiliation: | 1. Research Institute of Petroleum Exploration and Development, CNPC, Beijing, 100083, China;2. PetroChina Changqing Oilfield Company, Xi'an, 710021, China |
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| Abstract: | Sulige Gas Field is the largest gas field with reserves in place of 533.652 billion cubic meters and gas-bearing area of 4054.6 square kilometers in Ordos Basin.It is a low-efficiency gas field with low reserves abundance.The forming mechanism of low-efficiency gas reservoir in Sulige Gas Field was researched.The geological factors resulting in low-efficiency gas reservoirs in Sulige Gas Field include the strong anisotropies in the reservoir,low height of gas column resulted from very gentle structures,poor connectivity and low energy induced by ultra-low pressure in gas pay zones. |
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| Keywords: | Ordos Basin Sulige Gas Field low-efficiency gas reservoir anisotropy ultra-low pressure connectivity |
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