Seismic sedimentology interpretation method based on frequency-scale matching
A matching method, a technology of sedimentology, applied in the direction of seismic signal processing, etc., can solve the problems of restricting the application of seismic sedimentology technology and the lack of operable interpretation methods of strong seismic sedimentology
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[0044] Fluvial facies deposits are developed in the Neogene in the TS area of the Gulf of Mexico, and the thickness of the sedimentary sand bodies of different scales is different. The study area is located offshore, with few wells and irregular well pattern distribution, making it difficult to study the distribution and evolution of sedimentary microfacies. The method of the invention is used to characterize the distribution of sedimentary microfacies and internal structural features of fluvial sedimentary strata with different scales.
[0045] First, load the amplitude-preserving seismic data into the computer. In this example, LandMark's OpenWorks interpretation software is used to load the seismic data into the software.
[0046] In the second step, well seismic calibration, the phase of the original seismic data is judged to be 30° by using the seismic reflection event of the seabed, and the phase of the seismic data is rotated by 60° to obtain a seismic data body with a...
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