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首页> 外文期刊>International Journal of Multiphase Flow >Cement-lined pipes for water lubricated transport of heavy oil
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Cement-lined pipes for water lubricated transport of heavy oil

机译:水泥衬里管道,用于水润滑重油

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摘要

This paper presents different strategies for preventing oil from fouling the walls of core-annular flow pipelines and also for restart from an unexpected pipeline shut-down. The most promising of these strategies is to use cement-lined pipes. Experiments presented here show that hydrated cement-lined pipes are highly oleophobic and therefore resist fouling for long term. A pilot scale cement-lined core-annular flow pipeline using No. 6 fuel oil never fouled in over 1000 h of operation. Repeated and determined attempts to soil properly hydrated cement-lined pipes with heavy Venezuelan crudes always failed.
机译:本文提出了各种不同的策略,以防止油污染核心-环形流管道的壁,并防止管道意外关闭而重启。这些策略中最有前途的是使用水泥衬里管道。此处进行的实验表明,衬有水合水泥的管道具有很高的疏油性,因此可以长期防止结垢。使用6号燃料油的中型水泥衬里核心环流管道在运行1000小时以上从未结垢。反复和坚定的尝试用委内瑞拉重质原油对适当水合的水泥衬里管道进行污染的尝试始终失败。

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