Abstract
In order to solve the problems of the fine division of sedimentary sequence cycles and their change in two-dimensional space as well as lateral extension contrast, we developed a method of wavelet depth-frequency analysis. The single signal and composite signal of different Milankovitch cycles are obtained by numerical simulation. The simulated composite signal can be separated into single signals of a single frequency cycle. We also develop a well-seismic calibration insertion technology which helps to realize the calibration from the spectrum characteristics of a single well to the seismic profile. And then we determine the change and distribution characteristics of spectrum cycles in the two-dimensional space. It points out the direction in determining the variations of the regional sedimentary sequence cycles, underground strata structure and the contact relationship.
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Xu, J., Liu, L., Wang, G. et al. Study of sedimentary sequence cycles by well-seismic calibration. Pet. Sci. 10, 65–72 (2013). https://doi.org/10.1007/s12182-013-0251-z
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DOI: https://doi.org/10.1007/s12182-013-0251-z