High resolution sequence stratigraphic framework constraint geostatistical inversion method
A technology of sequence stratigraphy framework and geostatistics, applied in geophysical surveying, instruments, etc., can solve the problems of failure to objectively reflect reservoir parameters, strong randomness, and large influence of human factors, so as to improve the identification ability , improve resolution, improve efficiency and accuracy
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[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0029] like figure 1 As shown, the present invention provides a geostatistical inversion method constrained by a high-resolution sequence stratigraphic framework, comprising the following steps:
[0030] 1) Well-seismic calibration is performed according to the well logging data and seismic characteristic data of the target layer, and multi-well wavelets in the optimized target area are extracted and optimized through multi-well amplitude spectrum, multi-well phase spectrum and wavelet side lobe inspection, and multi-well wavelets are used for geological statistics Learn inversion.
[0031] The seismic data characteristics of the target layer are: on the seismic section, the lower part of the target layer shows continuous strong reflection, and the upper part of the target layer shows chaotic weak reflection, and the whole seismic section has obvious...
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