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高分辨率层序地层学的发展,要求运用高分辨率地震勘探技术进行精细目标处理,以寻找隐蔽性圈闭。小波理论作为傅里叶变换的继续和发展,具有时频局部性的特征,可以提高信噪比和分辨率。在准噶尔盆地阜东斜坡区侏罗系层序地层学的研究过程中,通过小波处理软件WTDECON的应用,地震剖面上信噪比和分辨率都有明显的提高,并在三工河组确定出6个三角洲前缘滑塌浊积扇砂体,经地震资料的精细目标处理和地震反演及道积分剖面处理,进一步证实了深水浊积扇砂体的分布位置及砂岩属性,为在阜东斜坡区侏罗系寻找自生自储式隐蔽岩性圈闭提供了可靠的地球物理信息。
The development of high-resolution sequence stratigraphy requires the use of high-resolution seismic exploration techniques for fine target processing to find hidden traps. Wavelet theory, as the continuation and development of Fourier transform, has the characteristics of time-frequency localization and can improve the signal-noise ratio and resolution. During the study of Jurassic sequence stratigraphy in the Fudong area of Junggar Basin, the signal-to-noise ratio and resolution of the seismic profile have been significantly improved by the application of wavelet processing software WTDECON. Six delta front turbid turbidite fan sand bodies, by the fine seismic data processing and seismic inversion points and cross-section profile processing, to further confirm the turbidite fan sand body distribution and sandstone properties in the East The Jurassic in the slope area provides reliable geophysical information in search of a self-generating, self-contained, hidden lithologic trap.