Logging while drilling electromagnetic wave responses in inclined bedding formation

FAN Yiren,HU Xufei,DENG Shaogui,YUAN Xiyong,LI Haitao

Table 2 Parameters of different half-space media models.

Number of formation Conductivity/ (S?m-1) Anisotropic dip and anisotropic azimuth/(°) Upper layer Lower layer Upper layer Lower layer a σ1u=0.050 σ2u=0.050 σ1d=0.500 σ2d=0.500 Ψ=0 χ=0 Ψ=0 χ=0 b σ1u=0.050 σ2u=0.050 σ1d=0.500 σ2d=0.125 Ψ=0 χ=0 Ψ=0 χ=0 c σ1u=0.050 σ2u=0.025 σ1d=0.500 σ2d=0.125 Ψ=0 χ=0 Ψ=0 χ=0 d σ1u=0.050 σ2u=0.050 σ1d=0.500 σ2d=0.125 Ψ=0 χ=0 Ψ=30 χ=0 e σ1u=0.050 σ2u=0.025 σ1d=0.500 σ2d=0.125 Ψ=0 χ=0 Ψ=30 χ=0 f σ1u=0.050 σ2u=0.025 σ1d=0.500 σ2d=0.125 Ψ=30 χ=0 Ψ=30 χ=0