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冯凯宇,曹志勇,张新军. 寺家庄矿煤层顶板岩性有色反演预测[J]. 科学技术与工程, 2020, 20(1): 75-81.
FENG Kai-yu,CAO Zhi-yong.Study on Lithology Prediction of Coal Roof in Sijiazhuang Area by Using Colored Inversion Algorithm[J].Science Technology and Engineering,2020,20(1):75-81.
寺家庄矿煤层顶板岩性有色反演预测
Study on Lithology Prediction of Coal Roof in Sijiazhuang Area by Using Colored Inversion Algorithm
投稿时间:2019-05-08  修订日期:2019-09-22
DOI:
中文关键词:  少井区  有色反演  煤层顶板
英文关键词:areas lacking well data  colored inversion  coal seam roof
基金项目:
        
作者单位
冯凯宇 太原理工大学矿业工程学院
曹志勇 太原理工大学矿业工程学院
张新军 太原理工大学矿业工程学院
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中文摘要:
      煤层的顶板岩石的封堵性对煤层气的储集非常关键。有色反演可以获得相对波阻抗的变化,对测井的依赖度低、平面分辨率高,可用于少井区煤层顶板岩性的分布进行预测。本文在原始地震数据谱蓝化处理、提高分辨率的基础上,对寺家庄矿三维地震数据进行了有色反演,预测了9#、15#煤层顶板岩性。结果表明,相对波阻抗体异常与钻孔岩性较为吻合,并通过相对波阻抗平面分布图预测了寺家庄地区9号、15号煤层顶板岩性,且不同时间地层切片的反演结果与区域钻孔资料相吻合,说明有色反演结果可靠,可以对煤层顶板岩性分布特征进行有效预测。
英文摘要:
      The plugging of roof rock in coal seams is critical to the storage of coalbed methane. The colored inversion can obtain the change of relative wave impedance, low dependence on logging and high plane resolution, which can be used to predict the distribution of lithology of coal seam roof in less well area. Based on the blueprinting of the original seismic data and the improvement of resolution, this paper carried out a colored inversion of the 3D seismic data of the Sijiazhuang Mine and predicted the lithology of the 9# and 15# coal seam roofs. The results show that the relative wave impedance anomaly is consistent with the lithology of the borehole, and the lithology of the topsoil of No.9 and No.15 coal seams in the Sijiazhuang area is predicted by the relative wave impedance plane distribution map, and the inversion results and regions of the stratigraphic slices at different times are predicted. The borehole data are consistent, indicating that the color inversion results are reliable and can effectively predict the lithology distribution characteristics of the coal seam roof.
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