guided wave ultrasonic testing for pipeline inspection in oil and gas industry

Why choose guided wave ultrasonic testing pipeline inspection? LRUT (Long range ultrasonic testing) or sometimes called as GWT (guided wave testing) is becoming commonplace today for ultrasonic pipeline inspection. This technology is used as excellent NDT for the screening tool. Guided wave ultrasonic pipeline inspection offer many advantages such as High productivity (km per day), access required only at discrete locations, carried out with pipe on-line ( not require shutdown) and 100% coverage except for flanges, tees and other large features. This LRUT/GWT technology come as a solution for pipeline inspection problem like restricted access, many lines not suitable for in-line inspection (ILI / pigging inspection), regular UT and RT techniques are typically not cost-effective or typical UT and RT coverage 0.1%. After conduct LRUT/GWT screening and found some anomaly or “indication”, the inspector will dig the anomaly with other NDT tools such as UT scanning or UT Flaw detector.[…]

Read more