Results of the ISO'89 Experiment 'Durchschallung': Recording of the Vibrator Sweeps of the 3D-Seismics in the KTB Borehole

N. Martini & M. Stiller
The determination of 3D-static corrections usually is possible only with the exact knowledge of thickness and velocity of the superficial layers. In order to determine these parameters extensive additional measurements are necessary, e.g. refraction seismics. These measurements can be reduced considerably if there is already a borehole in the survey area; the shots generated for the seismic survey can be recorded with a borehole geophone chain. The direct traveltimes determined from these records are lying...
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