Method and device for predicting oil-gas possibility based on correlation of multiple geophysical parameters
A technology of geophysical parameters and prediction methods, applied in geophysical measurement, measurement devices, seismic signal processing, etc., can solve the problem of low certainty and achieve the effect of accurate oil and gas
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[0044] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0045] The oil and gas prediction method based on the correlation of multiple geophysical parameters in the present invention comprises the following steps:
[0046] Determine the geophysical parameters sensitive to the oil-bearing section in the formation target interval, such as gamma, spontaneous potential, acoustic wave, resistivity, density and neutron porosity, and obtain the log curve values and oil-gas factors of each geophysical parameter. Taking the reciprocal of the oil-bearing factor, the oil-bearing standard value of geophysical parameters is obtained. In order to facilitate the comparison of the sensitivity of various geophysical parameters to oil and gas, the sensitivity correction is performed on the log curve values of each geophysical parameter, that is, the sensitivity correction is performed on the log curve values ...
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