Borehole Electromagnetics –Diffusive and Propagation Transients - Wave Propagation in Drilling, Well Logging and Reservoir Applications - page 341

z n

Arbitrary Dip

Nondipolar

Source Current

y m

x l

Bedding Planes

Figure 8.2. Nondipolar source model in layer-oriented coordinates.

z n

y m

Figure 8.3. Variable expanding meshes conserve memory.