Electromagnetic type vibroseis parallel stimulation collecting and mixing record separating method
A technology of separation method and acquisition method, which is applied in the field of electromagnetic vibroseis parallel excitation acquisition and hybrid recording separation, can solve the problems of long source scanning signal time, low production efficiency, etc., and achieve weakening source interference, ensuring integrity and preservation Reality, achieve the effect of mixing and recording separation
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[0029] Below in conjunction with accompanying drawing and embodiment for further detailed description:
[0030] Taking the electromagnetic vibroseis parallel excitation hybrid recording simulated by the finite difference method as an example, the electromagnetic controllable parallel excitation acquisition and hybrid recording separation method related to the present invention is described, including the following sequence and steps:
[0031] a. In the working area, design the location of the source point and the observation system according to the conventional single source acquisition method. A total of 64 seismic source points were set up, with the position numbers ranging from 1 to 64, and a total of 178 geophones were laid in full arrangement for reception. The seismograph is set to the pulse source acquisition mode, that is, to record unrelated seismic records;
[0032] B, place 1 electromagnetic vibroseis at No. 1 source point and carry out vertical stacking test, acco...
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