Carbon-oxygen ratio calculation method used for determining remaining oil saturation
A calculation method and saturation technology, applied in the direction of earthwork drilling, wellbore/well components, etc., can solve the problem of low change sensitivity and achieve the effect of improving response sensitivity
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[0034] The present invention, a kind of calculation method of carbon-oxygen ratio, such as figure 1 As shown, it specifically includes the following steps:
[0035] Step 1. Use the combination model of Gaussian function and linear function to fit the characteristic energy peaks of carbon and oxygen in the measured non-elastic spectrum, and use the Levenberg-Marquardt method to calculate the relevant parameters. The fitting model is as follows:
[0036] C 1 = a × exp ( - ( x - b ) 2 2 × c 2 ) - - - ( 1 ) ...
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