The optimum depth difference that represents stratum interface best can be fitted by comparing six microresistivity curves of six arm diplog with the use of correlation and optimization.

• 采用相关对比与最优化原理相结合的方法，对比六臂地层倾角测井的六条微电阻率曲线，可以拟合一组最能代表地层层面的最优高程差。