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Study of hydrate formation in gas-emulsion multiphase flow systems

机译：气体乳液多相流动系统水合物形成研究

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摘要

As the oil & gas industry moves into deep water, hydrate has been a major hazard to the deep sea flow assurance. The objective of this work is to study the hydrate formation kinetics in a gas-emulsion multiphase flow system. A series of experiments were carried out with different gas/liquid flow rates using a high pressure flow loop. Results showed that the experimental data were remarkably reproducible in the flow loop system. It was found that as the gas flow rate and liquid flow rate increased, the hydrate formation induction time increased and the critical supercooling degree decreased. The gas/liquid flow rates exhibited little effect on the hydrate formation amount. As the liquid hold-up increased, both the induction time and the critical supercooling degree increased at first and then decreased. In addition, the hydrate formation amount remained almost constant when the liquid hold-up was higher than 20%.
机译：随着石油和天然气行业进入深水，水合物对深海流动保证一直是一个重大危害。 这项工作的目的是研究气体乳液多相流动系统中的水合物形成动力学。 使用高压流回路以不同的气/液流速进行一系列实验。 结果表明，实验数据在流量回路系统中显着可重复。 发现随着气体流速和液体流速的增加，水合物形成诱导时间增加，临界过冷度降低。 气/液流量对水合物形成量效果几乎没有作用。 随着液体阻塞增加，诱导时间和临界过冷度首先增加，然后减少。 此外，当液体升高高于20％时，水合物形成量几乎恒定。

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  • 来源
    《RSC Advances》 |2017年第76期|共9页
  • 作者

    Ruan Chaoyu; Ding Lin; Shi Bohui; Huang Qiyu; Gong Jing;

  • 作者单位

    China Univ Petr Beijing Key Lab Urban Oil &

    Gas Distribut Technol MOE Key Lab Petr Engn Natl Engn Lab Pipeline Safety Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Urban Oil &

    Gas Distribut Technol MOE Key Lab Petr Engn Natl Engn Lab Pipeline Safety Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Urban Oil &

    Gas Distribut Technol MOE Key Lab Petr Engn Natl Engn Lab Pipeline Safety Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Urban Oil &

    Gas Distribut Technol MOE Key Lab Petr Engn Natl Engn Lab Pipeline Safety Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Urban Oil &

    Gas Distribut Technol MOE Key Lab Petr Engn Natl Engn Lab Pipeline Safety Beijing 102249 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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