Method for detecting shear-wave splitting fracture
A technology of shear wave splitting and slow shear wave, applied in the field of petroleum geophysical exploration, can solve problems such as unsatisfactory
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[0039] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0040] The present invention collects wide azimuth three-dimensional three-component seismic data first, and obtains the radial component of the horizontal component and the azimuth angle gather data body of the transverse component by using the three-dimensional three-component seismic processing technology; carries out sub-angle superposition according to the same angular interval, and forms respectively representing different Multiple stacked data volumes of azimuth angles; use the reflection time difference between data volumes of different azimuth angles to detect the direction and density of fracture development.
[0041] Concrete steps of the present invention are as follows:
[0042] 1) In the field acquisition, the converted wave seismic data is obtained by using the wide-azimuth three-dimensional three-component seismic exploration technology, ...
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