Breakthrough in pipeline defect detection technology

Sinochem New Net News recently learned from Yanchang Petroleum Pipeline Transportation Company that after 28 months, the company's self-developed pipeline and storage tank floor defect detection technology has made new breakthroughs, and some pipelines and storage tanks have achieved trenchless, non-intervention Type testing, filling the domestic gap in this field
.

For many years, the domestic oil and gas storage and transportation industry has always adopted the method of cleaning and repairing the tank floor in the detection of tank floor defects.
There are problems such as tank cleaning affecting the operation of the storage tank, long construction period and high cost
.

The defect detection technology for pipelines and storage tank bottom plates developed by the company adopts the ultrasonic guided wave detection method, which uses the transmission and reception of sound waves of different frequencies, and the attenuation and reflection of sound waves are amplified, regulated and processed.
Defect detection is carried out in the welding process, and the detection data is transmitted to the data platform, so that the corrosion situation of the tank bottom can be seen at a glance
.

"In layman's terms, it's like doing 'B-ultrasound' for the pipelines and tank bottoms in the station.
It is a detection method with good practicability, high repeatability and no radiation damage
.

The data platform can not only obtain inspection data, but also display the types of defects, form defect lists, defect distribution maps, defect 3D models and defect comparisons, etc.
, which is equivalent to establishing a defect database, so that each defect has its own unique " identity information” and realize 3D visual display
.