摘要
黄土塬地区土质疏松,波速低,各种干扰波十分发育,导致地震剖面信噪比和分辨率大幅度降低。以山西寿阳某研究区三维地震勘探为例,采用高密度的地表小折射调查方法,得到了精确的地表结构。并通过叠前综合噪音消除、地表一致性反褶积技术,极大改善了地震资料品质,提高了地震剖面的信噪比和分辨率,取得了良好的应用效果。
In loess tableland area, the soil is loose,the wave velocity is low, and all kinds of interference waves are well developed,which leads to the significant reduction of signal-to-noise ratio and resolution of seismic profiles. Taking the three-dimensional seismic exploration in a research area in Shouyang,Shanxi province as an example,the precise surface structure is obtained by using the high-density surface small refraction survey method. By means of prestack synthetic noise elimination and surface consistent deconvolution,the quality of seismic data is greatly improved,the signal-to-noise ratio and resolution of seismic profiles are improved,and good application results are achieved.
作者
甄正强
ZHEN Zheng-qiang(School of Mining Engineering,Taiyuan University of Technology,Taiyuan 030024,China;Shanxi Key Laboratory of Geological Prospecting for Coal and Coal Measures,Taiyuan 030024,China)
出处
《煤炭技术》
CAS
2019年第12期46-49,共4页
Coal Technology
关键词
黄土塬地区
三维地震勘探
静校正
反褶积
loess tableland area
3D seismic exploration
static correction
deconvolution
