摘要
反射波地震勘探在工程勘察中应用日益广泛。纵波反射波由于其速度较高,波长较长,勘探深度大,在石油等勘探领域应用较广泛;横波由于其速度相对较低,波长短,分辨率高,近年来,横波勘探已得到推广。在工程勘察中由于实际工作环境的限制,对于不同的地质条件,以及针对不同的勘探目的与任务,单波勘探经常会有其局限性。采用纵、横波联合勘探既可以解决浅部地层的分辨率问题,同时又可以提高勘探深度。因此,采取纵、横波联合勘探,具有互补性。本文即通过纵横波勘探的实例对比,说明多波勘探的优越性,对提高反射波地震勘探在工程勘察中的应用效果具有重要意义。
The reflection seismic exploration is widely used for engineering geological pros- pecting. Because S--wave velocity is slow and its wavelength is short, this method of S-- wave exploration is important to near--surface exploration within about 100 meters depth. In recent years, S--wave exploration has been developed quickly, but in some projects it is often difficult to use a single wave seismic prospecting method, therefore the method of combining P--wave exploration with S--wave exploration is of practical significance.
出处
《工程地球物理学报》
2007年第5期411-416,共6页
Chinese Journal of Engineering Geophysics
关键词
纵横波勘探
反射
比较
PS-- wave exploration
reflection
comparison
