Pipeline Services:
Inspection by transverse field magnetic tool (TFI):
Typical TFI tool specification
(28" and 56" tools)
| Tool speed range | 0.15 - 4 m/s* |
| Minimum bend radius | 3D/90o* |
| Inspection range | up to 200 km* |
| Battery life | up to 180 hrs* |
| Number of sensors (Type 1/ Type 2) | 256-1024*/96-480* |
| Axial sensor spacing | 3 mm* |
| Circumferential sensor spacing (Type 1/Type 2) | 3.8 mm/8 mm |
| Accuracy of defect location: |
| to the reference girth weld | + 0.2 m* |
| circumferential | + 15o* |
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