二维地震勘探在豫东煤田勘查中的应用
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摘要
结合区内复杂的地质构造特点,选择井中激发方式;根据地震的目的任务,使用精细的数据处理流程;结合各勘查区地震资料,对地震解释中的波组分析、层位标定、断点解释、岩浆岩侵入等方面进行了重点分析;在构造控制、煤层底板起伏、岩浆岩对煤层的影响范围等方面取得了重要的勘探成果。对煤厚预测、岩浆岩侵入等难点问题建议加强地震波阻抗反演,结合测井资料,提高参数反演精度。
Based on complex tectonic characteristics and seismic geologic condition of east Hanan, choose exploded mode in the well; Using fine data processing flow, According to the purpose of seismic;Based on seismic data in each exploration area, this paper emphases on reflection events analysis、horizon calibration 、breakpoint explanation, magmatite invasion etc. in seismic interpretation;Important exploration resultes such as structural control、coal floor undulation、Influence Area of magmatite are obtained. Strengthen seismic wave impedance inversion on difficult point problems such as prediction of coal thickness, magmatite invasion etc. to improve precision of formation resistivity With the log date.
引文
[1]李文前,冯斌,王昆,等.豫东地区控煤构造及岩浆对煤层影响研究报告[R].商丘:河南省地质矿产勘查开发局第四地质矿产调查院,2013.
    [2]李文勇,夏斌,路文芬.河南省东部地球物理特征与找煤远景[J].物探与化探,2004,28(1):26-31.
    [3]李录明,李正文.地震勘探原理、方法及解释[M].成都:成都理工大学出版社,2005.

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