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Impedance inversion of surface seismic data is a non-unique problem and the resolution is limited by the bandwidth of the seismic data. Make full use of the high frequency seismic information of borehole seismic data and the geologic information to constrain the impedance inversion is a better choice to improve these problems. With the sparse-spike inversion assumption, we set up an impedance joint inversion framework with the surface seismic and borehole seismic data. The surface seismic data,doi:10.1088/1742-2132/10/4/045003 fatcat:kgtknrpnifbhli6aan3owntrqa