基于漂移模型的气体溢流动态模拟

doi:10. 3863/j. issn. 1674 – 5086. 2013. 05. 016

西南石油大学学报(自然科学版)

基于漂移模型的气体溢流动态模拟

王旭东1，陈平1，胡德云2，陈奕阳3

1.“油气藏地质及开发工程”国家重点实验室西南石油大学，四川成都610500
2. 中国石化西南石油工程有限公司钻井工程研究院，四川德阳618000
3. 西南石油大学石油工程学院，四川成都610500

出版日期:2013-10-20 发布日期:2013-10-20

Dynamic Simulation of Gas Well Overflow Based on
Drift-flux Two-phase Flow Model

Wang Xudong1, Chen Ping1, Hu Deyun2, Chen Yiyang3

1. State Key Laboratory of Oil and Gas Reservoir Geology & Exploitation，Southwest Petroleum University，Chengdu，Sichuan 610500，China
2. Drilling Engineering Research Institute，Southwest Petroleum Engineering Company Limited，SINOPEC，Deyang，Sichuan 618000，China
3. School of Petroleum Engineering，Southwest Petroleum University，Chengdu，Sichuan 610500，China

Online:2013-10-20 Published:2013-10-20

摘要/Abstract

摘要：

针对在目前工程上的溢流计算模型相对粗糙，不能准确地对溢流动态进行描述，模型和实际情况存在较大误
差，溢流相关参数计算和现场相差过大，计算所提供的压井参数计算不准确，使得压井困难甚至失败等问题，以气液两
相漂移模型作为基础模型来表征相间作用，以双流体模型来体现流动的动态情况，建立了溢流动态控制模型，并对模
型进行了离散求解。使用现场实际资料分析了溢流时井筒中气相分数的变化规律，压井过程中含气段的长度与含气
段位置的变化，最后使用模型对压井进行了模拟。结果表明，现场实测数据和模型计算结果较为吻合，模型对溢流动
态进行描述较为准确。本模型为安全有效地井控提供了理论基础。

关键词: 溢流；漂移模型；两相流, 双流体模型；井控

Abstract:

The current engineering calculation models for well overflow are simple and cannot accurately describe the dynamic
behavior，and the relevant parameters are not agreement with the actual situation. Thus，the parameters will make it difficult
to kill well. Based on drift-flux two-phase flow model and the interaction of gas and liquid，the model has been established by
two-fluid models to describe dynamic behavior of gas and liquid. The changes in the gas fraction of gas-liquid two-phase flow
in annulus are analyzed. The length and position of gassy segment in annulus are analyzed when killing well. A Simulation of
kill well is done using field data via which to validate the model. The simulation results show that the measured data and the
model results are consistent. The model can describe accurately the dynamic of well overflow，which provides the theoretical
foundation for the safe and effective well control.

Key words: overflow, draft model, two-phase flow, two-fluid model, well control

王旭东1，陈平1，胡德云2，陈奕阳3. 基于漂移模型的气体溢流动态模拟[J]. 西南石油大学学报(自然科学版), DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 05. 016.

Wang Xudong1, Chen Ping1, Hu Deyun2, Chen Yiyang3. Dynamic Simulation of Gas Well Overflow Based on
Drift-flux Two-phase Flow Model[J]. 西南石油大学学报(自然科学版), DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 05. 016.

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基于漂移模型的气体溢流动态模拟

Dynamic Simulation of Gas Well Overflow Based on
Drift-flux Two-phase Flow Model

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基于漂移模型的气体溢流动态模拟

Dynamic Simulation of Gas Well Overflow Based on Drift-flux Two-phase Flow Model

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Dynamic Simulation of Gas Well Overflow Based on
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