Phased array seismic prospecting method

A seismic exploration and phased array technology, applied in the field of shallow artificial seismic exploration, can solve the problems of mutual interference of seismic waves, limited number of seismic sources, and inability to conduct directional exploration, so as to improve the signal-to-noise ratio, improve the exploration effect, and improve the seismic exploration effect. Effect
CN1560651AInactive Publication Date: 2005-01-05JILIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
JILIN UNIV
Publication Date
2005-01-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an earthquake detecting method with phase array; it arranges several controllable epicenters collinearly with even interval. The scanning signal sent by each controllable epicenter overlaps in some direction in phase through controlling the delay or the phase difference of the controllable epicenter, the vibration signal is reinforced, thus realizes the orientation of earthquake beam, thus the earthquake detection is possible. Using the phase array method, it provide an effective method for earthquake detection of tilted geologic body, realizes oriented earthquake detection, additional, it also upgrade the detecting depth and the resolution.
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Description

Technical field:

[0001] The invention relates to a shallow layer artificial seismic exploration method, which is especially suitable for the seismic exploration environment where multiple vibrators are constructed simultaneously. Background technique:

[0002] In the existing combined seismic exploration of reflection method, several single seismic sources with small output force are combined together to simulate a seismic source with large output force to increase the depth of seismic exploration. Combined seismic exploration refers to several single seismic sources vibrating at the same time. Although the seismic waves generated by each seismic source can strengthen the seismic wave energy that propagates vertically and downward to the surface, it cannot generally strengthen the seismic wave energy in other directions. Therefore, it is not suitable for exploration of steeply inclined geological bodies, let alone directional exploration. Furthermore, the number of seismic ...

Claims

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