2D Seismic Imaging Improvement through Prestack Depth Migration (PSDM) Method
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Abstract
The quality of seismic is important for interpretation. Prestack Depth Migration produce better quality of seismic imaging. The seismic generated through PSDM method has better seismic reflector and geological structure appearance compared to Prestack Time Migration (PSTM) method. Accurate interval velocity modeling is a key in PSDM process, involving dix transformation, coherency inversion, and tomography. Comparison between PSTM and PSDM show that PSDM offer better imaging for interpretation because PSDM has better seismic reflector continuity and good geological appearance.
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Suherman, I., Wiguna, T., Rahadian, R., Muljawan, D., & Moefti, O. (2019). 2D Seismic Imaging Improvement through Prestack Depth Migration (PSDM) Method. Indonesian Journal of Physics, 30(1), 23 - 26. https://doi.org/10.5614/itb.ijp.2019.30.1.5
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References
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[2] Yilmaz, O., Seismic Data Analysis, Vol-1& 2 (Text), SEG Publication (2001).
[3] Schneider, W.A., Integral formulation for migration in two dimensions or three dimensions. Geophysics, 43, 49-76 (1978).
[4] Dix, C.H., Seismic Velocities from Surface Measurements. Geophysics, 20, 68-86 (1955).
[5] Fagin, S., Model-based depth imaging, SEG Course Notes Series No.10 (2002).
[6] Mahadasu, P., Singh, K.H., Improved Seismic Imaging through Prestack Depth Migration using Synthetic Seismic Data, GSTF Journal of Geological Sciences Vol.2 No.1 (2015).