Technique and system to process a seismic signal to determine an attribute of a geological layer
First Claim
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1. A method comprising:
- receiving seismic data indicative of a signal produced by an interaction of reflection interfaces with a source wavelet having a wavelength, the reflection interfaces being associated with boundaries of a geological layer having a thickness less than one quarter of the wavelength; and
processing the seismic data, using one or more processors, to determine at least one slope change in the source wavelet caused by the interaction; and
determining an attribute of the geological layer based at least in part on the at least one determined slope change.
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Abstract
A technique includes receiving seismic data indicative of a signal, which is produced by the interaction of reflection interfaces with a source wavelet. The reflection interfaces are associated with boundaries of a geological layer. The technique includes processing the seismic data to determine at least one slope change in the source wavelet caused by the interaction. The technique includes determining an attribute of the layer based at least in part on the determined slope change(s).
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Citations
18 Claims
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1. A method comprising:
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receiving seismic data indicative of a signal produced by an interaction of reflection interfaces with a source wavelet having a wavelength, the reflection interfaces being associated with boundaries of a geological layer having a thickness less than one quarter of the wavelength; and processing the seismic data, using one or more processors, to determine at least one slope change in the source wavelet caused by the interaction; and determining an attribute of the geological layer based at least in part on the at least one determined slope change. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
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an interface to receive seismic data indicative of a signal produced by an interaction of reflection interfaces with a source wavelet having a wavelength, the reflection interfaces being associated with boundaries of a geological layer having a thickness less than one quarter of the wavelength; and a processor to process the seismic data to generate an indication of at least one slope change in the source wavelet caused by the interaction to indicate an attribute of the geological layer. - View Dependent Claims (9, 10, 11, 12, 13)
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14. An article comprising a non-transitory computer-readable medium containing computer instructions stored therein for causing a computer processor to:
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receive seismic data indicative of a signal produced by an interaction of reflection interfaces with a source wavelet having a wavelength, the reflection interfaces being associated with boundaries of a geological layer having a thickness less than one quarter of the wavelength; and process the seismic data to generate an indication of at least one slope change in the source wavelet to indicate an attribute of the geological layer. - View Dependent Claims (15, 16, 17, 18)
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Specification