Coding and Decoding: Seismic Data, Vol 39. Handbook of Geophysical Exploration: Seismic Exploration

  • ID: 1758566
  • April 2010
  • 618 Pages
  • Elsevier Science and Technology
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Currently, the acquisition of seismic surveys is performed as a sequential operation in which shots are computed separately, one after the other. This approach is similar to that of multiple-access technology, which is widely used in cellular communications to allow several subscribers to share the same telephone line.

The cost of performing various shots simultaneously is almost identical to that of one shot; thus, the savings in time and money expected from using the multishooting approach for computing seismic surveys compared to the current approach are enormous. By using this approach, the long-standing problem of simulating a three-dimensional seismic survey can be reduced to a matter of weeks and not years, as is currently the case.

- Investigates how to collect, stimulate, and process multishooting data
- Addresses the improvements in seismic characterization and resolution one can expect from multishooting data
- Aims to educate the oil and gas exploration and production business of the benefits of multishooting data, and to influence their day-to-day surveying techniques

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1. Introduction to multishooting: Challanges and rewards. 2. Mathematics of statistical decoding: Instantaneous mixtures. 3. Mathematics of statistical decoding: Convolutive mixtures. 4. Decoding methods for undertermined mixtures. 5. Modelng and imaging of multishot data. Appendix A. Nonnegative matrix factorization. Appendix B. Nonnegative tensor factorization. Appendix C. A review of 3D finite-difference modeling. Glossary

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Ikelle, Luc T.

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