Section 1 One-dimensional Fourier Transform and Its Application
1. One-dimensional Fourier transform and spectrum analysis
Second, sampling and error frequency.
Three, one-dimensional digital filtering-frequency domain and time domain filtering
Section 2 Two-dimensional Fourier Transform and Its Application
1. 2D Fourier Transform and 2D Spectrum Analysis
Second, spatial aliasing.
Three, two-dimensional digital filtering-frequency-wavenumber (f-k) domain filtering
Section 3 Basic Geological Geophysical Model and Its Seismic Data Processing Characteristics
1. horizontal layered medium model and its seismic data processing characteristics
2. Block medium model and its seismic data processing characteristics.
Thinking and practicing.
refer to
Chapter II Pretreatment and True Amplitude Restoration
Section 1 Pretreatment
I. data decoding
Second, the editor of Tao
Three. Definition of field observation system
Section 2 true amplitude recovery
First, wavefront diffusion energy compensation.
Second, the formation energy absorption compensation
Thinking and practicing.
refer to
Chapter III Deconvolution
Section 1 deconvolution and convolution model
First, the concept of deconvolution
Second, the convolution model
The second quarter reverse filtration
First, the concept of inverse filtering.
Second, the calculation of seismic wavelet
Thirdly, the realization of inverse filtering.
Section 3 Best Wiener Filtering and Least Square Deconvolution
First of all, the best Wiener filter
Second, least square deconvolution.
Section 4 Pulse deconvolution
First, the principle of pulse deconvolution
Second, the parameter selection
Section 5 Predictive deconvolution
First, the principle of predictive filtering
Second, the principle of predictive deconvolution
3. Predict the deconvolution compressed reflection pulse
Fourthly, parameter selection.
Section 6 Wavelet Shaping Deconvolution
First, the principle of wavelet shaping deconvolution
Secondly, wavelet shaping deconvolution.
Section 7 homomorphic deconvolution
Section 8 Surface Consistency Deconvolution
Thinking and practicing.
refer to
Chapter iv dynamic correction and superposition
The first section dynamic correction
First, the concept of dynamic correction
Secondly, the dynamic correction of horizontal layered media.
Third, the dynamic correction of monoclinic layer
4. Dynamic correction of arbitrarily inclined layered media
Five, digital dynamic correction method and dynamic correction stretching method
Section 2 Horizontal superposition
First, the principle of lateral superposition
Second, adaptive horizontal stacking.
Section 3 Residual Time Difference and Stacking Characteristics
The fourth quarter horizontal superposition problem
1. When NMO has residual time difference, horizontal stacking will reduce the resolution of seismic signal.
2. In the case of inclined interface, * * * central point gathers are no longer * * * reflection point gathers.
Thirdly, in the case of complex structure, the time-distance curve of reflected wave is no longer hyperbolic.
4. The amplitude of superimposed profile is the average of reflection amplitudes at different incident angles, which is not equal to zero offset reflection amplitude.
Thinking and practicing.
refer to
Chapter V Static Correction
Section 1 Related Concepts of Static Correction
……
Chapter VI Velocity Analysis
Chapter VII Deviation
Chapter 8 Wave equation migration of anisotropic and viscoelastic media
Chapter 9 Multi-wave and Multi-component Seismic Data Processing
Chapter 10 Reservoir Seismic Inversion
Chapter II Development of XI Seismic Data Processing