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地震转换波测深结果表明，塔里木盆地的地壳具有层状－块体的结构特征，地壳厚度为40～50km，分为上、中、下3层。上层地壳（花岗质层）的厚度在盆地中部强烈减薄，而中、下层地壳厚度的横向变化不大。地壳结构的突出特点是：盆地基底面与地党深部界面的分布形状具有准同步起伏变化的特征。地壳速度结构模型表明：塔里木盆地具有陆壳性质。油气分布区地壳速度结构的特征表现为：莫霍面局部强烈上隆，上层地壳（花岗质层）和结晶地壳厚度明显减薄，存在超壳深断裂。同类盆地的油气丰度有巨大差异的主要原因可能与地壳结构特征的差别有密切关系。地震转换波测深法可以经济、有效地探测盆地沉积盖层的深层构造、基底村造以及地壳深部（包括莫霍面）构造，研究介质横向非均匀性的精度较高，在盆地的油气资源勘查中可作为综合物探手段之一。
The result of seismic wave conversion shows that the crust in Tarim Basin has the characteristics of layered-block structure. The thickness of the crust is 40 ~ 50km, which is divided into upper, middle and lower layers. The thickness of the upper crust (granitic layer) is strongly reduced in the middle part of the basin, while that of the middle and lower crust varies little in the lateral direction. The salient features of the crustal structure are that the distribution shape of the deep interface between the basement of the basin and that of the earth has the characteristics of quasi-synchronous undulation. The crustal velocity structure model shows that the Tarim Basin has the characteristics of continental crust. The characteristics of the crustal velocity structure in the oil and gas distribution area are as follows: the Moho area is strongly uplifted locally, the thickness of the upper crust (granitic layer) and the crystalline crust are obviously thinned, and the deep crust of the deep crust exists. The main reason for the great difference in oil and gas abundance in similar basins may be closely related to the difference in crustal structural features. Seismic wave transform sounding method can detect the deep structure of the sedimentary cover, the basement village construction and the deep crust (including the Moho) structure in the basin economically and effectively. It is of great significance to study the lateral heterogeneity of the medium. The oil and gas resources Exploration can be used as one of the means of integrated geophysical exploration.