大跨越管道油气混输压力波速及响应特性研究

史爽; 敬加强; 孔祥伟

doi:10.3879/j.issn.1000-0887.2016.03.007

大跨越管道油气混输压力波速及响应特性研究

doi: 10.3879/j.issn.1000-0887.2016.03.007

¹油气藏地质及开发工程国家重点实验室(西南石油大学),成都 610500;²中国石油西气东输管道公司,上海 200122;³长江大学石油工程学院, 武汉 430000

基金项目: 国家自然科学基金(51274170);中国博士后科学基金（面上项目）（2015M572495）

详细信息

作者简介:
史爽（1986—），女，博士生(E-mail: 420883448@qq.com);孔祥伟（1982—），男，博士(通讯作者.E-mail: 13880214723@163.com).

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出版历程
- 收稿日期: 2015-10-13
- 修回日期: 2016-01-13
- 刊出日期: 2016-03-15

Research of pressure wave velocity and response time for oil-gas mixing transportation in large span pipelines

¹State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Southwest Petroleum University), Chengdu 610500, P.R.China;²PetroChina West to East Gas Pipeline Company, Shanghai 200122, P.R.China;³Petroleum Engineering College, Yangtze University, Wuhan 430000, P.R.China

Funds: The National Natural Science Foundation of China(51274170);China Postdoctoral Science Foundation(General Program)(2015M572495)

摘要

摘要: 基于双流体模型，利用小扰动理论，提出了油气混输大跨越管道压力波速模型.利用计算机编程对其求解，通过大跨越管道油气混输实例，得到了以下结论：压力波速的变化受气相影响较大，即使少量气体也能在较大程度上影响压力波速，随混输气量增大，压力波速减小，压力响应时间延长；混输低点气体所承受的压力较混输高点大，从而低点处气相压缩系数小，混输低点较混输高点压力波速增大，压力响应时间相应缩短；在输运管道低点处，气体受到极大压缩，压力波速的变化不明显，几乎收敛于恒定值，在混输管道高点处压力波速变化剧烈.
- 压力波速 /
- 油气混输 /
- 大跨越管道 /
- 压力响应时间 /
- 〓虚拟质量力
Abstract: Based on the 2-fluid model and the theory of small perturbation, the pressure wave velocity model was put forward for the oil-gas mixing transportation in large span pipelines, and the computer program to solve this model was built. The conclusions based on a practical engineering example are as follow: in the process of multiphase mixing large span transportation, the change of pressure wave velocity is more influenced by the gas phase, even a small amount of mixed gas can affect the pressure wave velocity dramatically. With the increase of mixed gas, the pressure wave velocity decreases and the pressure response time extends. The pressure at the low point is higher than at the high point, so the gas compressibility factor at the low point is smaller than at the high point and the pressure wave velocity at the low point is bigger, meanwhile, the pressure response time at the low point is shorter. Moreover, at the low point of mixed transportation the mixed gas is compressed tremendously, so the pressure wave velocity there changes little and almost remains at a constant value; in contrast, the pressure wave velocity changes easily at the high point.
- pressure wave velocity /
- oil-gas mixing transportation /
- large span pipeline /
- pressure response time /
- virtual mass force

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参考文献(15)

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大跨越管道油气混输压力波速及响应特性研究

doi: 10.3879/j.issn.1000-0887.2016.03.007

作者简介:
史爽（1986—），女，博士生(E-mail: 420883448@qq.com);孔祥伟（1982—），男，博士(通讯作者.E-mail: 13880214723@163.com).

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Research of pressure wave velocity and response time for oil-gas mixing transportation in large span pipelines

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大跨越管道油气混输压力波速及响应特性研究

doi: 10.3879/j.issn.1000-0887.2016.03.007

作者简介: 史爽（1986—），女，博士生(E-mail: 420883448@qq.com);孔祥伟（1982—），男，博士(通讯作者.E-mail: 13880214723@163.com).

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Research of pressure wave velocity and response time for oil-gas mixing transportation in large span pipelines

计量

出版历程

目录

作者简介:
史爽（1986—），女，博士生(E-mail: 420883448@qq.com);孔祥伟（1982—），男，博士(通讯作者.E-mail: 13880214723@163.com).