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Gerry Partridge

Retired, Mechanical Technology professor

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The oil industry should investigate double wall pipelines. The space between the pipes to be for sensors and equip. for reclamation.

The increase in materials and labour would boost commerce and employment and the level of security and confidence would be greatly improved.

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    Jan 18 2014: Perhaps, and quite sad when a solution is possible. If the obstacles to building new pipelines are strong enough, the wealthy will pay to solve or overcome an obstacle.
  • Jan 18 2014: perhaps it is not profitable and the occasional puncture/spill/nightmare/disaster is tolerable?
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    Jan 18 2014: I hope we get some stats through this discussion. Pipeline is the cheapest form of transport, not to diminish 'the safest', and let's face it user pay is an irrefutable truth.
  • Jan 17 2014: I rather doubt it would help the economy.
    More expensive piping is good for the people making the pipes, but bad for the oil industry as a whole. Increased expenditure means the price of oil will rise as well, which has adverse effects on the lot of the economy (mostly from more expensive transportation).

    The question is, do the existing pipes used in the industry fail often enough to justify such a move. I don't have the statistics nor the expertise necessary to make that call, but my common sense says the answer is "probably no".
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    Jan 17 2014: We build double hull container ships and use double wall techniques for wells. A double wall pipeline would offer protection from puncture, protection from dumping the contents of the internal, product pipe. It would also reduce the effects of environment on the pipeline.

    As stated above the space between inner and outer pipe could be fitted with sensors and provide space for reclamation pipes in the case of the inner pipe failing.

    I think it would make the difference between economists and environmentalist diminish, possibly to the point of tolerance.