| 浅谈阜新煤田东梁区辉绿岩活动对煤层气含量的影响 |
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| 引用本文： | 赵杰,孟宪洪,赵洪亮.浅谈阜新煤田东梁区辉绿岩活动对煤层气含量的影响[J].中国新技术新产品精选,2011(14):135-136. |
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| 作者姓名： | 赵杰 孟宪洪 赵洪亮 |
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| 作者单位： | 东北煤田地质局一○七勘探队; |
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| 摘 要： | 东梁区岩浆岩为第三纪喜山期产物,岩性为辉绿岩,呈高角度岩墙侵入。共组合25条辉绿岩墙,其中20条分布在煤层可采范围内。辉绿岩体以多种形式侵入到煤、岩层中,由于辉绿岩的侵入,引起局部煤层的热变质,受辉绿岩侵入体的烘烤作用,煤的变质程度增加,煤阶增高,煤层气含量增加。辉绿岩侵入体的烘烤作用使煤的煤层气最大吸附量增加,但煤变成天然焦后,储层煤层气含量降至很低甚至不含煤层气。
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| 关 键 词： | 东梁区 辉绿岩 煤阶 煤层气含量 |
Influence of the moving law of diabase on the reserve of coal-seam gas in Fuxin Dongliang district |
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| ZHAO JIE.Influence of the moving law of diabase on the reserve of coal-seam gas in Fuxin Dongliang district[J].Chinese Selected New Technologies and Products,2011(14):135-136. |
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| Authors: | ZHAO JIE |
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| Institution: | ZHAO JIE(107th Exploration Team,Northeast China Bureau of Coal Geology,Fuxin,liaoning 123000) |
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| Abstract: | Dongliang district of diabase which is the product of Jurassic-cretaceous Himalayan period.The property of the rock is Fai green rock and they invades in the way of a high Angle rock wall.Combined 25 Fai green rock walls altogether,there are 20 in the coal seam recoverable range among them.Fai green rock makes incursions into coal and rock with a variety of ways,which cases hot metamorphic of part coal seam due to its invasion.The degree of coal metamorphism increases,the coal rank heightens,and the content... |
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| Keywords: | Dongliang district diabase rank coalbed methane content |
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