Technology of Decreasing Injection Pressure and Increasing Injection Rate by Surfactant in CS block of Chaoyanggou Oilfield
Authors
Guangsheng Cao, Ze Li, Bo Zhu, Yujie Bai, Bin Jiang, Chuncheng Li, Tianmin Li
Corresponding Author
Guangsheng Cao
Available Online August 2015.
- DOI
- 10.2991/icaemt-15.2015.145How to use a DOI?
- Keywords
- The CS block of Chaoyanggou oilfield, Extra low permeable reservoir, Surfactant, Decreasing injection pressure.
- Abstract
The CS block of Chaoyanggou oilfield is a extra low-permeability reservoir. In the process of water flooding, some problems which influence exploitation effect are commonly found, such as high flooding pressure and insufficient injection in water wells. Based on the analysis of lithology and physical property of CS block, the formula were obtained by measuring the IFT of oil and surfactant solution. According to the core simulation experiments, the injection parameters were optimized. Results indicate that the IFT of the CS block oil and formula system is 8.16×10-3mN/m, the best concentration of surfactant is 0.5%, the best injection volume is 0.5PV, the ratio of decreasing injecting pressure is 38.90%.
- Copyright
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Guangsheng Cao AU - Ze Li AU - Bo Zhu AU - Yujie Bai AU - Bin Jiang AU - Chuncheng Li AU - Tianmin Li PY - 2015/08 DA - 2015/08 TI - Technology of Decreasing Injection Pressure and Increasing Injection Rate by Surfactant in CS block of Chaoyanggou Oilfield BT - Proceedings of the 2015 International Conference on Advanced Engineering Materials and Technology PB - Atlantis Press SP - 768 EP - 772 SN - 2352-5401 UR - https://doi.org/10.2991/icaemt-15.2015.145 DO - 10.2991/icaemt-15.2015.145 ID - Cao2015/08 ER -