Metal-loss, crack-detection tools targeted
J.F. Kiefner, Roger W. Hyatt, Robert J. Eiber · Oil & gas journal/Oil and gas journal · 1989
Greater demands are being made on existing in-line inspection tools. The result is a growth in equipment, especially that designed to detect and gauge metal loss and longitudinally oriented cracks. The primary subject matter of the article is divided into the following areas: Pulse-echo concept; Crack detection; Elastic-wave tool.