Sigma provides Advanced Ultrasonic Testing services to inspect the manufacturing/fabrication and maintenance of oilfield (midstream), refinery (downstream), and petrochemical plant equipment/systems. ASNT/CSWIP/PCN Level I, II, & III technicians/inspectors are certified in the following Advanced Ultrasonic disciplines:

1. Shear wave
2. Phased Array (PAUT)
3. Time-of-Flight-Diffraction (TOFD)
4. Automated UT Corrosion Mapping (AUT)
5. Short-Range Guided Wave (SRUT)
6. Long-Range Guided Wave (LRUT)
7. Ultrasonic Thickness Gauging

Certified professionals are available for call-out or long-term assignments. Sigma provides turnkey Advanced Ultrasonic Testing and reporting services complete with equipment, consumables, vehicles (mileage), and accommodations required to perform NDT/NDE.