Inspects steel tubing, casing, drill pipe, and other tubular oil well equipment for defects, using magnetic and optical inspection equipment: Positions scanner (ring-shaped object containing induction coils) around pipe and connects wire to automatic graph recorder.
Presses switch to start self-propelled scanner along pipe length and observes lines on graph that indicate location, type, and extent of metal blemishes, cracks, and molecular weakness. Inspects interior of pipe for surface imperfections, using optical instrument. Reports findings to engineering personnel.
