地震属性的拟测井反演及在煤层解释中的应用

基金项目:

"十五"国家科技攻关重点项目(No.2001BA803B0403)

创新研究群体科学基金资助项目(No.50221402)

国家"973"项目(No.2002CB211707)

国家杰出青年基金资助项目(No.50025413)

详细信息

Pseudo log inversion and application of seismic attribute to coal seam interpretation

1. College of Resource and Engineering Safety, CUMTB, Beijing 100083, China;
2. Coal Geophysical Exploration Institute of China Administration of Coal Geology, Zhuozhou 072750, China

摘要: 描述了地震属性的拟测井反演方法,即从地震属性中反演能够反映煤层特征的拟测井曲线。该方法将钻孔处的测井曲线和地震属性作为样本数据,经过神经网络训练后形成网络模型,以此模型反演非钻孔处的地震属性,得到三维测井曲线数据体。该数据体纵向分辨率高,横向分布精确可靠,经过解释,提供高准确度的煤层空间分布情况。
- 煤层特征 /
- 拟测井 /
- 地震属性 /
- 神经网络
Abstract: A pseudo log inversion method of seismic attribute is discussed.The pseudo log responding coal seam character was inverted from seismic attributes.The method uses log and seismic attributes of well and form a network model via neural network train,then invert seismic attributes of non-well by this model and derive 3D log data.The data is of higher resolution vertically and accurate distribution laterally,and can provide precision distribution character of coal seam by interpretation.
- coal seam character /
- pseudo log /
- seismic attribute /
- neural network

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