Chemical Industry and Engineering Progree ›› 2015, Vol. 34 ›› Issue (10): 3551-3556.DOI: 10.16085/j.issn.1000-6613.2015.10.005

Previous Articles     Next Articles

Research progress on slurry rheological properties and security flow boundary of natural gas hydrate

RAO Yongchao1,2, WANG Shuli1,2, DAI Wenjie1,2, ZHENG Yaxing1,2, LIU Zhaoyang1,2, JIANG Yinghao1,2   

  1. 1 Jiangsu Key Laboratory of Oil-Gas Storage and Transportation Technology, Changzhou 213016, Jiangsu, China;
    2 School of Petroleum Engineering, Changzhou University, Changzhou 213016, Jiangsu, China
  • Received:2015-04-21 Revised:2015-05-28 Online:2015-10-05 Published:2015-10-05

天然气水合物浆体流变性与安全流动边界研究进展

饶永超1,2, 王树立1,2, 代文杰1,2, 郑亚星1,2, 刘朝阳1,2, 姜英豪1,2   

  1. 1 江苏省油气储运技术重点实验室, 江苏 常州 213016;
    2 常州大学石油工程学院, 江苏 常州 213016
  • 通讯作者: 王树立,教授。E-mailwsl@cczu.edu.cn。
  • 作者简介:饶永超(1987—),男,博士研究生。E-mailryc@cczu.edu.cn。
  • 基金资助:

    国家自然科学基金(51176015)及江苏省产学研前瞻性项目(BY2014037-33)。

Abstract: The flow security technology based on hydrate, is a new method of natural gas transportation management, and has a broad development prospect. The gas hydrate formation mechanism, characteristics, adverse effect on oil and gas pipeline and existing problems(including the short experimental pipe, only research on the laws of the flow without flow boundary expansion etc.) of hydrate security flow were analyzed. The natural gas hydrate flow safety and natural gas hydrate safety flow boundary of low dosage hydrate inhibitor(LDHI)and the spiral flow carry technology were summarized. The new method to ensure the flow security of natural gas hydrate and expand flow boundary using spiral flow levitation conveying flow technology was put forward. The experiment results indicated that spiral flow can change the hydrate slurry flow characteristics, improve the concentration of hydrate slurry transportation effectively, and expand hydrate security flow boundary.

Key words: natural gas hydrate, rheological property, spiral flow, security flow

摘要: 水合物安全流动技术作为一种新型的天然气运输管理方法具有广阔的发展前景,本文在综述国内外天然气水合物安全流动研究的基础上,分析了管道流动天然气水合物生成机理、特点和对油气管道的不利影响以及现有水合物安全流动研究存在的问题,包括实验管道长度较短、着重流动规律的研究而缺乏对流动边界的拓展等。进而对国内外天然气水合物低剂量抑制剂(low dosage hydrate inhibitor,LDHI)在保障天然气水合物安全流动、拓展天然气水合物安全流动边界以及螺旋流携带研究进行了总结评述;随后提出了利用螺旋流悬浮输送技术保障天然气水合物安全流动、拓展流动边界的新型方法。结合实验结果分析表明:螺旋流动从宏观上改变水合物浆体流动特点、有效提高水合物浆液的输送浓度并可拓展水合物安全流动边界。

关键词: 天然气水合物, 流变性, 螺旋流, 安全流动

CLC Number: 

京ICP备12046843号-2;京公网安备 11010102001994号
Copyright © Chemical Industry and Engineering Progress, All Rights Reserved.
E-mail: hgjz@cip.com.cn
Powered by Beijing Magtech Co. Ltd