| 兰渝铁路梅岭关隧道浅层天然气预测研究 |
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| 引用本文： | 苏培东,李作兵,范晓丽.兰渝铁路梅岭关隧道浅层天然气预测研究[J].路基工程,2011,0(1):28-30. |
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| 作者姓名： | 苏培东 李作兵 范晓丽 |
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| 作者单位： | 1.西南石油大学资源与环境学院, 四川新都 610500 |
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| 基金项目： | 国家科技重大专项(2008ZX05001-001); 西南石油大学科技基金项目(2007XJZ052) |
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| 摘 要： | 从梅岭关隧道所处的构造部位、隧道穿越的地层岩性、隧道与油气构造及油气储层的关系出发,预测该隧道的浅层天然气状况。结合现场钻孔浅层天然气检测结果,研究发现浅层天然气分布主要受构造部位控制,且主要分布在隧道两端向斜翼部,天然气最大浓度为9 740 ppm。综合判定梅岭关隧道为低瓦斯隧道,浅层天然气主要赋存于砂岩孔隙内,以溢流方式向外缓慢溢出。
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| 关 键 词： | 浅层天然气 预测 分布特征 梅岭关隧道 兰渝铁路 |
| 收稿时间： | 2019-11-12 |
Prediction and Study of Shallow Reservoired Natural Gas in Meilingguan Tunnel of Lanzhou-Chongqing Railway |
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| Authors: | SU Pei-dong LI Zuo-bing FAN Xiao-li |
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| Institution: | SU Pei-dong1,2,LI Zuo-bing2,FAN Xiao-li3(1.School of Resources and Environment,Southwest Petroleum University,Xindu 610500,Sichuan,China,2.China Machinery Engineering Survey & Design Institute,Chengdu 610052,3.Zhongyuan Oilfield Exploration and Development ResearchInstitute,Puyang 457001,Henan,China) |
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| Abstract: | From Meilingguan Tunnel location,lithologic character of stratum,and the relationship between tunnel and oil gas structure and reservoir,the condition of shllow reservoired natural gas in this tunnel is discussed.Combined with the detection result through drilling shallow reservoired natural gas on site,it is found that the distribution of shllow reservoired natural gas is subjected to tunnel position,which is mainly distributed on both sides to limb,with the maximum density reaching 9740 ppm.Therefore,it i... |
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| Keywords: | shallow reservoired natural gas prediction distribution characteristics Meilingguan Tunnel Lanzhou-Chongqing Railway |
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