August 2011, Vol. 238 No. 8


Ultrasonic Guided Wave System Developed By PetroChina

PetroChina Pipeline Research Center (PPRC) developed the PUGW-1 pipe screening system based on ultrasonic guided wave (UGW) theory during 2005-2009. PRRC is China’s largest research center focusing on oil and gas transmission and storage-related research. Here is the system at a glance. The PUGW-1 pipeline inspection system sets the standard for guided wave testing and is employed in many pipeline inspection tasks in PetroChina. Today in the area of oil and gas transmission pipe inspection, high-resolution tri-axis magnetic flux leakage system is usually employed for the trunk line inspection, electro-magnetic inspection system is for the lateral-line inspection, and the

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