Inside the Pipelay Process – From Welding to Seabed Laydown

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Watch as we follow the intricate process of pipe laying, starting with a single pipe joint being placed on the roller track. This video showcases essential steps like welding and assembly, integral to the overall construction. For anyone interested in the oil and gas industry or civil engineering, this provides a clear look at a real construction site and the precise work involved in creating a pipe line.

If you work in offshore oil and gas, are studying for a surveying or pipeline qualification, or are just curious about how subsea infrastructure is built, this video breaks it all down in plain simple language.

Disclaimer: This copy of video does not belong to me. I have added a voiceover. *I am not an expert in NDT technique, so the narration is what I myself have personally observed which may not be the case here.*

Topics covered:
Pipe end preparation and beveling
Internal lineup and preheating
Multi-station welding (root, hot pass, fill and cap)
Ultrasonic and dye penetrant NDT
Heat shrink field joint coating
Foam coating application
Laydown head attachment
A&R cable and controlled laydown

This is real offshore work, explained the way it actually happens.
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Chapters You See in this video:
0:00 Pipes being lifted from material barge
0:40 Pipe-end beveling process
2:05 Pipe alignment & Welding
5:18 Ultrasound to find slag in welding
5:50 Cleaning & Cap welding
7:00 Visual Weld inspection
7:20 Cooling the pipe joint
7:40 NDT Process
10:00 Checking NDT results
10:45 Passing through tensioner
11:20 Anti corrosive coating process
14:50 Foam coating process
15:58 Attaching Lay Down Head
19:10 Attaching A&R Cable

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