A side view allows an us to examine walls, casings, infiltration, screen, gravel pack, encrustations, deterioration, perforation blockage or other physical problems.The inspection is visible by the operator and a CD cut and downloaded onto a computer where an assessment can be made on how to correct any visible problems.
Actual pictures of the situation in a borehole show reality. There is no interpretation, no second guessing. What you see is what it is there. The data is captured onto a dvd.