Design method of ladder-shaped two-dimensional wide-line observation system
An observation system, ladder-like technology, applied in the field of ladder-like two-dimensional wide-line observation system design, can solve the problems of reduced horizontal noise suppression capability of wide-line, insufficient consideration of continuous noise suppression, etc., to improve the signal-to-noise ratio of imaging sections, compensate for The effect of insufficient spatial sampling and avoiding aliasing noise
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] The specific implementation steps of the present invention are as follows:
[0023] 1) Collect seismic and well data, or use known seismic profiles, velocity spectra and well data to extract the two-way reflection time of the target layer, formation dip time difference, stacking velocity or formation depth information, and determine the surface to be protected in combination with geological tasks element size, array length.
[0024] Bin size ≤ formation dip time difference (unit: m / ms) divided by 2 times the protection frequency (unit: Hz)
[0025] Arrangement length ≈ equal to the buried depth of the formation
[0026] 2) Use the known seismic interpretation profile and structural map, velocity spectrum or well data in the exploration area to extract formation dip and velocity information, and determine the maximum width in combination with the frequency to...
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