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Butting: Prefabricated cladded spools for the Canadian oil sand processing In Alberta, in the west of Canada, the oil business is flourishing, because there under the earth’s surface, over an area of more than 140,000 km², oil sands are to be found. At least 175 billion barrels (1 barrel = 159 litres) of crude bitumen are believed to be there. Newly developed extraction technologies, the increasing demand for energy and the prices of crude oil in the world market have the effect of making oil sand extraction and processing increasingly interesting from an economic point of view. The Canadian Gold is Oil Sand
It is not surprising therefore that investment in extracting the oil sand is booming. BUTTING Canada also is profiting from this “Gold Rush” in Canada. In 2008 we received an interesting order for two prefabricated cladded spools (feed pipes) from a leading American-Canadian engineering and construction company.
More information: Dirk Sander - dirk.sander@butting.de
- Sales Shipbuilding, Power & Environmental Technology Markus Hahn - markus.hahn@butting.de
- Butting Canada Photos © Butting - Posted October 12, 2009 |
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Following the manufacturing of the pipes, further processing took place in the form of an extensive prefabrication of the spools. Here the know-how and experience of our staff in forming and welding technology and in mechanical processing were required. For only processing with welding techniques appropriate to the materials – that is, stainless and clad steels – can guarantee an uninterrupted use in production. The branches were supplied with a special mechanical preparation of the weld edge by our qualified
welding staff and then welded on by means of the TIG welding procedure.
In addition, pipe pieces in Solid TP 316L were welded on to the 18" branches: on the construction site, the pipe was to be carried on through these pieces. Consequently only an assembly weld in Solid 317L has to be carried out on site. Through the prefabrication of the feed pipe, the high quality of the mixed weld and an improved product quality can be
guaranteed.
Since a pressure test was required for both spools, the pipe ends had to be temporarily sealed with covers. After the pressure test was completed, the required structural dimensions were restored, including the weld preparation at the open ends.
