According to the characteristics of 3-D VSP data and taking upgoing P-wave separation as an example, single wave field separation method is used in combination and applied to actual data.

• 针对三维VSP资料的波场特点，以分离上行反射P波为例，将单一波场分离方法加以适当组合，对垦71井区三维VSP实际资料进行了应用研究。