Ut Tool

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1.In-Line Inspection Tools and Technologies[Original Blog]

In-line inspection tools and technologies are devices that are inserted into pipelines and travel along with the flow of the product to inspect the internal condition of the pipes. They are also known as intelligent or smart pigs, which stands for pipeline inspection gauges. These tools can detect various types of defects, such as corrosion, cracks, dents, bends, weld anomalies, and metal loss. They can also measure the geometry, wall thickness, and curvature of the pipes. In-line inspection tools and technologies are essential for ensuring the safety and integrity of pipelines, as they can provide accurate and reliable data on the condition of the pipes and identify potential risks of failure.

There are different types of in-line inspection tools and technologies, depending on the purpose, design, and functionality of the device. Some of the most common ones are:

1. Magnetic flux leakage (MFL) tools: These tools use a strong magnetic field to magnetize the pipe wall and detect any changes in the magnetic flux caused by metal loss or corrosion. The magnetic flux leakage is measured by sensors attached to the tool and recorded by a data logger. MFL tools can inspect both ferromagnetic and non-ferromagnetic pipes, and can detect defects on the inner and outer surfaces of the pipe wall. An example of an MFL tool is the Baker Hughes MagneScan, which can inspect pipelines with diameters ranging from 6 to 56 inches and can detect defects as small as 0.2 inches in depth.

2. Ultrasonic testing (UT) tools: These tools use high-frequency sound waves to measure the thickness of the pipe wall and detect any defects or anomalies. The sound waves are emitted by transducers attached to the tool and reflected by the pipe wall. The time and amplitude of the reflected waves are measured by receivers and recorded by a data logger. UT tools can inspect both metallic and non-metallic pipes, and can detect defects on the inner and outer surfaces of the pipe wall. An example of a UT tool is the NDT Global Evo Series, which can inspect pipelines with diameters ranging from 3 to 56 inches and can detect defects as small as 0.04 inches in depth.

3. Caliper tools: These tools use mechanical arms or fingers to measure the geometry and diameter of the pipe and detect any deformations, such as dents, bends, ovality, or buckles. The arms or fingers are spring-loaded and extend to touch the pipe wall. The position and force of the arms or fingers are measured by sensors and recorded by a data logger. Caliper tools can inspect pipes of any material, and can detect defects on the inner surface of the pipe wall. An example of a caliper tool is the ROSEN RoCal, which can inspect pipelines with diameters ranging from 2 to 60 inches and can detect defects as small as 0.2 inches in depth.