Typical Features Contrast of Hot Water Flooding and Steam Flooding

Authors

  • LI Fang-Fang CNOOC Ener Tech-Drilling and Production Co, 300452, Tianjin, China
  • SHI Changlin CNOOC Ener Tech-Drilling and Production Co, 300452, Tianjin, China
  • Yao Weiying CNOOC Ener Tech-Drilling and Production Co, 300452, Tianjin, China
  • GAO Zhenglong CNOOC Ener Tech-Drilling and Production Co, 300452, Tianjin, China
  • WU Wei CNOOC Ener Tech-Drilling and Production Co, 300452, Tianjin, China
  • LIU Shanshan Drilling Fluid Division, Great Wall Drilling Company of CNPC, 100101, Beijing, China

DOI:

https://doi.org/10.15377/2409-787X.2018.05.1

Keywords:

Steam flooding, hot water flooding, relative permeability, water cut

Abstract

 Steam flooding and hot water flooding are the two main important thermal recovery methods for heavy oil reservoirs. Due to physicochemical properties difference of steam and hot water, the mechanism and production performance of hot water and steam flooding vary greatly. In this paper, steam and hot water flooding experiments under different temperature were conducted using Qi 40 heavy oil in Liaohe Oilfield in China to obtain typical features such as displacement efficiency, relative permeability, water cut and dimensionless productivity index of the two. The results show that steam and hot water flooding performance are quite different from each other under the same temperature. Compared with water flooding, displacement efficiency of steam flooding is 8.98%, 10.97% higher under 100℃ and 200℃ respectively, in addition, oil relative permeability is much higher and residual oil saturation is much lower at the same temperature. Water state and temperature are main reasons of displacement efficiency, relative permeability and productivity index difference; vapor state and higher temperature resulting in higher oil recovery, oil relative permeability and oil production index.

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Published

2018-12-25

How to Cite

1.
LI Fang-Fang, SHI Changlin, Yao Weiying, GAO Zhenglong, WU Wei, LIU Shanshan. Typical Features Contrast of Hot Water Flooding and Steam Flooding. Int. J. Petrol. Technol. [Internet]. 2018Dec.25 [cited 2021Sep.25];5(1):1-6. Available from: https://www.avantipublishers.com/jms/index.php/ijpt/article/view/817

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