| 泡沫排液采气井筒多相流机理模型 |
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| 引用本文： | 刘通,任桂蓉,钟海全,潘国华,邓渝川.泡沫排液采气井筒多相流机理模型[J].西南石油大学学报（自然科学版）,2014,36(5):136. |
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| 作者姓名： | 刘通 任桂蓉 钟海全 潘国华 邓渝川 |
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| 作者单位： | 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. 中国石油新疆油田分公司勘探开发研究院，新疆克拉玛依834000
3. 中国石油西南油气田分公司川中油气矿，四川遂宁629000 |
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| 基金项目： | 国家科技重大专项(2011ZX05045–05–01) |
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| 摘 要： | 基于基本物理原理建立了适用于多种流型的泡排井多相流机理模型。首先，基于Mitchell 和Taitel 的实验成
果，将泡排井流型分为泡状流、段塞流、均质泡沫流和雾状流，建立了流型转换机理模型；随后，建立了各流型的压降
计算方法，其中泡状流、段塞流采用漂移模型描述，将均质泡沫流视为幂律流体处理，而雾状流简化为无滑脱模型处
理。和川南、鄂尔多斯39 口包含多种流型的泡排井测压数据对比，模型的相对误差仅为–0.55%。敏感性分析表明，低
气液比泡排井可能呈现泡状流或段塞流，适度注气可实现流型向泡沫流的转变，提高举升效率。
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| 关 键 词： | 泡沫排液采气 多相流 机理模型 流型 压降 |
A Mechanism Model for Multiphase Flow in Gas Wells Using Foam
Dewatering Technology |
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| Liu Tong,Ren Guirong,Zhong Haiquan,Pan Guohua,Deng Yuchuan.A Mechanism Model for Multiphase Flow in Gas Wells Using Foam
Dewatering Technology[J].Journal of Southwest Petroleum University(Seience & Technology Edition),2014,36(5):136. |
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| Authors: | Liu Tong Ren Guirong Zhong Haiquan Pan Guohua Deng Yuchuan |
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| Institution: | 1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation，Southwest Petroleum University，Chengdu，Sichuan 610500，China;
2. Research Institute of Exploration and Development，Xinjiang Oilfield Company，CNPC，Karamay，Xinjiang 834000，China;
3. Middle Sichuan Gas Fields of Southwest Oil and Gasfield Company，CNPC，Suining，Sichuan 629000，China |
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| Abstract: | Based on the basic physics principle，this paper presents a mechanism model for multiphase flow in gas wells using
foam dewatering technology，which can be applied to various flow patterns. Firstly，based on the experiments of Mitchell and
Taitel，the model considers four distinct flow patterns（bubble，slug，homogenous foam，and mist）and formulates the transition
boundaries among them. Then individual models for four flow patterns are developed. Bubble flow and slug flow are described
by the drift flow models. Homogenous foam flow is treated as power-law fluid. Mist flow is simplified as no-slip model. The
evaluation results using pressure test data in 39 foam lift gas wells indicate that the unified model shows an average error of
-0.55%. Sensitivity study shows that foam lift gas well may experience bubble flow or slug flow while the gas-liquid ratio is
low. Appropriately supplying gas can move the flow into the homogenous foam flow，which can improve the lifting efficiency. |
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| Keywords: | foam dewatering in gas wells multiphase flow mechanism model flow patterns pressure drop |
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