| 新型水平气井气水两相管流压降计算模型设计 |
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| 引用本文： | 陈军,王川杰,杨浩珑,徐广鹏.新型水平气井气水两相管流压降计算模型设计[J].重庆科技学院学报(自然科学版),2010,12(4):70-72,76. |
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| 作者姓名： | 陈军 王川杰 杨浩珑 徐广鹏 |
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| 作者单位： | 西南石油大学,成都,610500;中石化西南油气分公司川西采气厂,德阳,618000 |
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| 摘 要： | 为了更准确地把握压降,提出一种水平井筒内气水两相管流的压降计算模型.该模型基于两个假定:假定气相和液相的速度相等;假定两相介质已达热力学平衡状态,压力、密度等互为单值函数.实例计算结果显示,出水水平气井井筒压力沿趾端根端方向呈单调下降趋势,但趾端附近的压降明显小于井筒内其他位置的压降.
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| 关 键 词： | 水平井 气水两相 管流 压降 |
New Pressure Drop Calculation Model of Gas-water Two-phase Conduit Flow for the Horizontal Well |
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| CHEN Jun,WANG Chuan-jie,YANG Hao-long,XU Guang-peng.New Pressure Drop Calculation Model of Gas-water Two-phase Conduit Flow for the Horizontal Well[J].Journal of Chongqing University of Science and Technology:Natural Science Edition,2010,12(4):70-72,76. |
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| Authors: | CHEN Jun WANG Chuan-jie YANG Hao-long XU Guang-peng |
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| Affiliation: | CHEN Jun1 WANG Chuan-jie1 YANG Hao-long1 XU Guang-peng2(1.Southwest Petroleum University,Chengdu 610500,2.Western Sichuan Gas Recovery Plant,Southwest Oil , Gas Company,Sinopec Group,Deyang 61800) |
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| Abstract: | In order to know pressure drop correctly,the paper proposes a new pressure drop calculation model of gas-water two-phase conduit flow for the horizontal well based on two assumptions: one is speed of gas phase equal with water phase;the other is two-phase media reaches thermodynamic equilibrium,and pressure,density,etc,are mutual single value function.The calculation results show that horizontal wellbore pressure monotonic decreases along root direction of toe-end,and pressure drop around toe-end is smaller... |
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| Keywords: | horizontal well gas-water two-phase conduit flow pressure drop |
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