In oil seismic exploration, automatic picking of first arrivals is very important but difficult for seismic data with low signal-to-noise ratios. In the paper, we proposed a new method based on mutual information in information theory. Mutual information between signals and noises is zero theoretically; thus, random noises have fewer effects on first arrivals pickup with the criterion of mutual information. The paper presents a detailed description of the method based on mutual information. Tests and verification with simulation data and field measurements are carried out. When compared with other well-known methods, the first break picking accuracy and efficiency of the proposed algorithm are verified.
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Zhang, Q., Zhai, M. First break of the seismic signals in oil exploration based on information theory. Neural Comput & Applic 31, 8229–8237 (2019). https://doi.org/10.1007/s00521-018-3955-6
- Seismic data
- First arrivals
- Mutual information