Dissertation > Astronomy,Earth Sciences > Geology > Geology, mineral prospecting and exploration > Geophysical exploration > Seismic exploration

High Precision NMO and Stacking Technique Research and Application

Author TanChenQing
Tutor WuYanGang
School Jilin University
Course Earth Exploration and Information Technology
Keywords NMO correction NMO stretch Stacking velocity Cross-correlation CMP stacking
CLC P631.4
Type Master's thesis
Year 2010
Downloads 65
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The focus of this research is a high-precision dynamic correction and stack technology . On the basis of previous work , move NMO correction method to the conventional point-by-point approximation of the actual travel go to add higher-order terms , as well as add a correction term based on the optimization method to achieve large offset NMO correction . Pointwise moving NMO stretch , and resistance to stretching method . Overall move move correction method to analyze the defects , based on the similarity of lateral optimization superposition method combined optimization dynamic correction method proposed vertical sliding as much as possible to retain long -offset signal , while achieving a transverse comparison of the similarities between the seismic channel . Finally, take the smart superposition method , further highlight the effective signal to suppress the noise and interference . The model test and the actual data processing to obtain better results.

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