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韩城区块构造煤类型及其产出煤粉特征分析

Coal Geology of China(2014)

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Abstract
构造煤的发育是产生煤粉的关键,破碎后煤岩会产生固有煤粉,而疏松的结构会使得煤岩更容易受钻井、压裂和排采等工程扰动影响,进而产生更多的煤粉。韩城区块经历多期构造,断裂构造造成的煤岩脆性变形、褶皱拉伸与挤压造成的煤岩韧性变形导致构造煤发育。以采集煤样宏观特征差异划分煤体结构类型,运用测井解释识别不同煤体结构类型煤,从纵向和横向上总结区块煤体结构分布规律,并揭示不同煤体结构类型对产出煤粉形态、浓度、粒度特征的影响。
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Key words
tectonoclastic coal,logging trace interpretation,coal texture,coal fines characteristics,Hancheng block
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