煤系地层陷落柱特征与煤层气分布浅析
FAULT-BLOCK OIL AND GAS FIELD（2003）
Abstract
研究煤系地层陷落柱特征,有助于提高煤层气的勘探效益.陷落柱与区域地层产状、岩性特征不一致,岩性杂乱,角砾岩发育,岩石破碎、易垮塌、井径大,地震标准反射波中断或消失,出现异常波.根据地层、构造特征和地震反射特征可以识别陷落柱,并根据地震资料可以预测陷落柱.陷落柱影响煤系层气的分布,陷落柱发育区煤层气含量低.
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