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Electromagnetic Thickness Tool (EMT04)


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Overview

The Electromagnetic Thickness Tool (EMT04) is an electromagnetic defectoscope for wireline operation. The tool is designed to detect the metallic damage of casings, and to measure the remaining wall thickness, damage and corrosion. It can accurately indicate the column structure and the location of tools in the downhole. 

Application

· Measure the remaining wall thickness in multi-casing in one run
· Determination of the type of damage, pits, penetrations, cracks, transverse or longitudinal
· Determination of inner casing penetration
· Locating casing collars

Specifications

Max Work Temperature

175°C

Max Work Pressure

100MPa

Tool OD

Ф43mm(1 11/16")

Tool Le ngth

2000mm

Weight

7.2Kg (16Lbs)

Logging Speed

350m/h

Applicable Range

63mm-324mm Casing (Tubing)

Measuring Accuracy

0.5mm (single pipe)

1.5mm (double pipes)

Min Axial Detectable "Crack" Length

40mm (2.5" single pipe) 50mm (5.5" single pipe)

Min Detectable "Transversal Crack" Length

1/6 of the perimeter

Detection Range of Single Casing

3-12mm

Detection Range of Double Casing

Max. 25mm


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