Windowed Fourier transform-based stratum anomaly seismic detection method
A technology of Fourier transform and detection method, which is applied in the field of seismic detection of formation anomalies, can solve problems such as erroneous conclusions, and achieve the effects of small data volume, high efficiency and strong correspondence.
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[0039] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.
[0040] A method for seismic detection of stratum anomalies based on window Fourier transform comprises the following steps:
[0041] Step 1) Identify and track the reflected wave event corresponding to the target layer on the seismic section in the study area;
[0042] (1) Use such as figure 1 The density log curve and compressional wave velocity log curve are shown, and the reflection coefficient log curve is calculated.
[0043] (2) Select as figure 1For the sei...
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