岩性油气藏  2012, Vol.24 Issue (4): 108-110  
考虑地层非稳态传热的井筒流体温度预测简化模型
1.西南石油大学石油工程学院,四川成都610500;2.中国石油新疆油田分公司石西油田作业区,新疆克拉玛依,834000>
A simplified model to predict wellbore fluid temperature in consideration of unsteady state heat transfer in formations
1. College of Petroleum Engineering, Southwest Petroleum University, Chengdu 610500, China;2. Shixi Field Operation District, PetroChina Xinjiang Oilfield Company, Karamay 834000, China>

摘要

井筒流体温度分布是进行油气井测试分析、生产优化设计及工况分析的重要基础,然而严格的温度
预测理论模型因过于复杂且依赖于部分无法准确给定的数据而难以应用。基于前人的研究,建立了考虑
地层非稳态传热的井筒流体温度预测简化模型,该模型可避免因难以计算总传热系数而无法确定井筒流
体温度的问题。实例表明,考虑地层非稳态传热的井筒流体温度预测模型能较好地预测不同生产时间井
筒流体温度的变化以及井筒流体温度达到稳定时所需的时间。

Abstract

Wellbore fluid temperature distribution is the important foundation of oil/gas well test and analysis, production
optimization design and performance analysis. Due to its complexity and partly unavailable accurate data, the theoretical
temperature prediction model is of little application. Based on the previous research, a newmodel was constructed by
taking the unsteady state heat transfer in formations into consideration. In this way, the uncertainty of wellbore fluid
temperature calculation due to overall heat transfer coefficient could be avoided. The example shows that the prediction
of this newmodel is better in both wellbore fluid temperature change under different circumstance and accurate time
length required to reach stability.

基金资助

国家自然科学基金项目“产水气井井下节流携液机理研究”(编号:51104125)资助

引用本文

[中文]
钟海全,刘通,李颖川,朱亚兵,刘曦懋. 考虑地层非稳态传热的井筒流体温度预测简化模型[J]. 岩性油气藏, 2012, 24(4): 108-110.
[英文]
ZHONG Haiquan1, LIU Tong1, LI Yingchuan1, ZHU Yabing2, LIU Ximao1. A simplified model to predict wellbore fluid temperature in consideration of unsteady state heat transfer in formations[J]. LITHOLOGIC RESER VOIRS, 2012, 24(4): 108-110.
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