Cross well seismic technology is a high-resolution geophysical method with random noise. In this paper, the improved

Empirical Mode Decomposition (EMD) method in the FX domain is employed for noise attenuation. Signals are decomposed

into a series of intrinsic mode functions (IMFs) after being transformed into the FX domain and then filtered by the

soft threshold function for noise attenuation. The processing of the emulated data and practical data with the improved

EMD method in the FX domain shows a great advantage in noise attenuation for the cross well seismic data and thus can

achieve a good result in improving the SNR of the seismic data. In addition, the method does not depend on the basic

function.