陈涛平;张权;

• 1:东北石油大学提高油气采收率教育部重点实验室

摘要(Abstract)：

利用水力相当直径的概念,将Mukherjee-Brill气液两相管流压降计算方法拓展到抽油机井井筒压力预测中,同时考虑焦耳-汤姆逊效应及油套环空流体对流换热对井筒温度分布的影响,结合沈阳油田沈84-安12区块原油高压物性数据及其地面脱气原油黏温数据,建立预测高凝油抽油机井井筒压力-温度分布的综合数学模型.采用迭代法进行求解并编制了应用软件,进而利用现场实测井温数据对模型中较难确定的油套环空流体视换热系数进行修正,对沈采矿场5口冷抽井的井筒温度进行预测.结果表明:油套环空气柱段视换热系数取17 W/(m2.℃),液柱段取29 W/(m2.℃)较好;修正后的模型具有一定精度,相对误差不超过10%,能够有效预测高凝油抽油机井井筒压力-温度分布.

关键词(KeyWords)：高凝油抽油机井;气液两相管流;井筒压力分布;井筒温度分布;环空流体换热系数

Abstract:

Keywords:

基金项目(Foundation):辽河油田分公司重点科研项目(ZX09073004-1)

作者(Author):陈涛平;张权;

Email:

参考文献(References)：

• [1]陈家琅,陈涛平,魏兆胜.抽油机井的气液两相流动[M].北京:石油工业出版社,1994.

• [2]Beggs H D,Brill J P.A study of two-phase flow in inclined pipes[J].JPT,1973,25(5):607-617.

• [3]Mukherjee H,Brill J P.Pressure drop correlations for inclined two-phase flow[J].J.Energy Res.Tech,1985,107(4):549-555.

• [4]Ansari A M,Sylvester N D,Shoham O,et al.A comprehensive mechanistic model for upward two-phase flow in wellbores[C].SPE20630,1990.

• [5]Chokshi R N,Schmidt Z,Doty D R.Experimental study and the development of a mechanistic model for two-phase flow through ver-tical tubing[C].SPE 35676,1996.

• [6]Gomez L E,Shoham O,Schmidt Z,et al.A unified mechanistic model for steady-state two-phase flow in wellbores and pipelines[C].SPE 56520,1999.

• [7]Kaya A S,Sarica C,Brill J P.Comprehensive mechanistic modeling of two-phase flow in deviated wells[C].SPE 56522,1999.

• [8]Caetano E F.Upward two-phase flow through an annulus[D].Oklahoma:The University of Tulsa,1985.

• [9]Lage A C V M,Time R W.An experimental and theoretical investigation of upward two-phase flow in annuli[C].SPE 64525,2000.

• [10]Yu T T,Zhang H Q,Li M X,et al.A mechanistic model for gas/liquid flow in upward vertical annuli[C].SPE 124181,2009.

• [11]Ramey H J.Wellbore heat transmission[J].JPT,1962,14(4):427-435.

• [12]Willhite G P.Over-all heat transfer coefficients in steam and hot water injection wells[J].JPT,1967,19(5):607-615.

• [13]Alves I N,Alhanati F J S,Shoham O.A unified model for predicting flowing temperature distribution in wellbores and pipelines[J].SPEPE,1992,7(4):363-367.

• [14]Hasan A R,Kabir C S,Wang X.A robust steady-state model for flowing-fluid temperature in complex wells[C].SPE 109765,2007.

• [15]李颖川.采油工程[M].2版.北京:石油工业出版社,2009.

• [16]王弥康.隔热油管注蒸气井井筒总传热系数的确定[J].石油钻采工艺,1985(6):75-78.

• [17]任瑛,梁金国,杨双虎,等.稠油与高凝油热力开采问题的理论与实践[M].北京:石油工业出版社,2001.