Inclined-well dual laterolog curve correction method

The invention discloses an inclined-well dual laterolog curve correction method. The method includes the steps: S1, building an inclined-well dual laterolog forward model; S2, performing forward simulation to determine stratum dip angle and thickness threshold of a target stratum; S3, according to measured dual laterolog data, integrating natural gamma ray logging, imaging and dip logging data for stratum stratification and stratum dip angle determination, and combining with forward result to determine whether data correction needs to be performed or not; S4, if yes, extracting resistivity representative value of the target stratum according to stratification result, and constantly updating stratum resistivity model parameters to enable an error between a dual laterolog value and a measure logging value at a central point of a reconstructed stratum; S5, utilizing a stratum reflectivity value to perform forward simulation of dual laterolog response under straight well condition, adding other environmental influencing factors, and acquiring a dual laterolog curve under the straight well condition. The method is conducive to solving the problem of electric logging based on dual laterolog data and under inclined well condition.