Fig. 1. LWD azimuthal density tool model (a) and benchmark verification results (b)

Fig. 2. Relationship between the standoff and three sets of variables

Fig. 3. Calculation chart for standoff size

Fig. 4. Comparison of calculation results (a) and calculation error (b) between two methods for simulation data

Fig. 5. Cross-section of the borehole wall of a certain well at 2 025.0 m

Fig. 6. Comparison of logging curves of a certain well at 2 000.0~2 060.0 m (a) and 2 075.0~2 115.0 m (b)