Application of Monte Carlo method in nuclear logging
Monte Carlo method has a wide range of applications in medicine,high energy physics,nuclear physics,accelerator physics,coupled neutron/photon/electron transport problems,etc.Commonly used Monte Carlo numerical simulation software includes Geant4(Europe),FLUKA(Europe),MCNP(USA),EGSnrc(Canada),SuperMC(China).The Monte Carlo numerical simulation model is established by tak-ing RET,a new generation residual oil and gas saturation logging instrument independently developed by China Oilfield Services Limited.Through the analysis of instrument measurement applicability range and sig-ma tailing phenomenon,it is believed that the lower limit of porosity of RET instrument in C/O mode of a certain oilfield in Indonesia is 18％,and sigma tailing is caused by lithology rather than pore gas content.Therefore,the application of Monte Carlo method in the field of nuclear logging is demonstrated.
Monte Carlo methodRET instrumentlogging applicationgas saturation
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