非凝析气体强化蒸汽深部换热机理研究

doi:10.3969/j.issn.1006-6535.2020.04.017

特种油气藏 ›› 2020, Vol. 27 ›› Issue (4): 113-117.DOI: 10.3969/j.issn.1006-6535.2020.04.017

非凝析气体强化蒸汽深部换热机理研究

李兆敏¹, 徐亚杰¹, 鹿腾¹, 杨建平², 王宏远², 尚振骁¹

1.中国石油大学(华东),山东青岛 266580;
2.中国石油辽河油田分公司,辽宁盘锦 124010

收稿日期:2019-09-04 修回日期:2020-03-15 出版日期:2020-08-25 发布日期:2022-02-18
作者简介:李兆敏(1965—),男,教授,博士生导师,1985年毕业于上海机械学院传热、传质及流体动力学专业,1995年毕业于石油大学(北京)油气井工程专业,获博士学位,现主要从事泡沫流体及稠油开采方面的教学与科研工作。
基金资助:
国家科技重大专项子课题“烟道气改善 SAGD 开发效果研究”(2016ZX05012-002-004)

Heat Transfer Enhancing Mechanism of Deep Steam with Non-Condensate Gas

Li Zhaomin¹, Xu Yajie¹, Lu Teng¹, Yang Jianping², Wang Hongyuan², Shang Zhenxiao¹

1. China University of Petroleum (East China), Qingdao, Shandong 266580, China;
2. PetroChina Liaohe Oilfield Company,Panjin, Liaoning 124010, China

Received:2019-09-04 Revised:2020-03-15 Online:2020-08-25 Published:2022-02-18

摘要/Abstract

摘要： 为研究蒸汽驱过程中非凝析气体强化蒸汽深部换热机理,利用一维物理填砂模型开展非凝析气体辅助蒸汽驱模拟实验,并通过冷凝传热实验分析了非凝析气体对水蒸气冷凝换热的影响。实验结果表明,纯蒸汽注入时,蒸汽与多孔介质的换热速率快,蒸汽热波及范围较小,随着非凝析气体的加入,蒸汽热波及范围增大,深部油藏得到加热,有效改善蒸汽的热利用率。与纯蒸汽冷凝时相比加入非凝析气体之后,凝结液滴的生长和脱落速度慢,能形成较大液珠,液珠的存在阻碍了蒸汽换热,非凝析气体抑制了蒸汽冷凝。深入认识非凝析气影响蒸汽传热机理,对非凝析气强化蒸汽热传递以及提高蒸汽热利用率具有指导意义。

关键词: 蒸汽驱, 烟道气, 深部加热, 冷凝传热, 胜利油田

Abstract: In order to study the heat transfer enhancing mechanism of deep steam with non condensate gas in steam flooding, a 1D physical sand pack model was used to conduct a non condensate gas assisted steam flooding simulation experiment. The effect of non condensate gas on the steam condensation heat transfer was analyzed by a laboratory condensation heat transfer experiment. Experiment indicates that the pure steam injection shows a high steam medium heat exchange rate and a relatively small heat spread range. With the adding of non condensate gas, the steam heat spread range increases and the deep reservoir is heated, which effectively improve the steam heat utilization rate. Comparing with pure steam condensation, the growth and shedding speeds of condensed liquid drop slow down after adding non condensate gas, which leads to the generation of relatively large liquid drop. The liquid drop holds up the steam heat transfer and the non condensate gas suppresses the steam condensation. A thorough understanding of the non condensate gas hold up mechanism on steam heat transfer could provide certain guidance for the steam heat transfer enhancing and steam heat utilization improvement.

Key words: steam flooding, flue gas, deep heating, condensation heat transfer, Shengli Oilfield

中图分类号:

TE357.45

李兆敏, 徐亚杰, 鹿腾, 杨建平, 王宏远, 尚振骁. 非凝析气体强化蒸汽深部换热机理研究[J]. 特种油气藏, 2020, 27(4): 113-117.

Li Zhaomin, Xu Yajie, Lu Teng, Yang Jianping, Wang Hongyuan, Shang Zhenxiao. Heat Transfer Enhancing Mechanism of Deep Steam with Non-Condensate Gas[J]. Special Oil & Gas Reservoirs, 2020, 27(4): 113-117.

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非凝析气体强化蒸汽深部换热机理研究

Heat Transfer Enhancing Mechanism of Deep Steam with Non-Condensate Gas

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