This study investigates the process of demulsification in liquid-phase dispersed systems, focusing on the separation of water-oil emulsions that commonly occur in oil fields. Such kind of emulsions formed during oil production reduce recovery efficiency and increase operational challenges. To address this problem, a new technological approach involving the in-situ application of demulsifiers directly within the reservoir was developed. Laboratory experiments were performed using crude oil and emulsion samples collected from the Kursangi oil field. The experimental program included determining emulsion stability and separation efficiency under varying demulsifier concentrations in ambiant temperature conditions. The results demonstrated that the introduction of demulsifiers into the reservoir environment effectively decreased emulsion stability and accelerated phase separation. This improvement led to higher oil recovery efficiency and reduced processing time. In addition, the method contributed to prolonging equipment service life and minimizing the potential for corrosion and scaling. The findings provide a basis for optimizing oil production processes through the proper selection and application of demulsifiers in reservoir conditions, offering both technological and economic benefits for petroleum field operations.
| Published in | Petroleum Science and Engineering (Volume 9, Issue 2) | 
| DOI | 10.11648/j.pse.20250902.18 | 
| Page(s) | 129-133 | 
| Creative Commons | 
 This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. | 
| Copyright | Copyright © The Author(s), 2025. Published by Science Publishing Group | 
Demulsification, In Situ Demulsification, Petroleum Emulsions
| [1] | A. Firoozabadi, M. Sun, K. Mogensen, M. Bennetzen “Demulsifier in Injected Water for Improved Recovery of Cudes That Form Water/Oil Emulsion”. | 
| [2] | McLean, J. D. and Kilpatrick, P. K. 1997b. Effects of Asphaltene Solvency on Stability of Water-in-Crude-Oil Emulsions. J. Colloid and Interface Science 189 (2): 242-253. | 
| [3] | Guskova, I. A.; Khayarova, D. R.; Abzyapparova, E. R.; Zakirov, R. R.; Khramushina, I. M. Scientific and Technical Journal Neftepromyslovoe Delo, No. 6 (654), June 2023. ISSN 0207-2351. | 
| [4] | Mervin F Fingas, Ben Fieldhouse, James Lane, Josep V. Mullin What Causes the Formation of Water-in-Oil Emulsions Conference Paper in International Oil Spill Conference Proceedings · January 2005 | 
| [5] | Kehinde Temitope Alao, Oluwaseun Ruth Alara, Nour Hamid Abdurahman Trending approaches on demulsification of crude oil in the petroleum industry Applied Petrochemical Research. | 
| [6] | J. Wu, Y. Xu, T. Dabros, and H. Hamza Effect of Demulsifier Properties on Destabilization of Water-in-Oil Emulsion. | 
| [7] | Khamidullina, F. F.; Khamidullin, R. F.; Mingazov, R. Kh.; Kiyamov, I. K. Search for an Effective Demulsifier for Oil Well Production Treatment Technology at the Late Stage of Reservoir Exploitation. | 
| [8] | Abdurahman H. N., and M. Nuraini Chemical Destabilization on Water in Crude Oil Emulsions World Academy of Science, Engineering and Technology International Journal of Chemical and Molecular Engineering Vol: 4, No: 2, 2010. | 
| [9] | Souleyman A Issaka, Abdurahman H Nour and Rosli Mohd Yunus “Review on the Fundamental Aspects of Petroleum Oil Emulsions and Techniques of Demulsification” J Pet Environ Biotechnol 2015, 6: 2. | 
| [10] | Shaohui Jiang, Qingsong Li, Qiang Ma, Botao Xu and Tao Zou “Efficient Demulsification Performance of Emulsified Condensate Oil by Hyperbranched Low-Temperature Demulsifiers”. | 
APA Style
Nabizada, O., Movsumzada, A. (2025). In Situ Application of Demulsifiers for Water in Oil Crude Oil Emulsion Type. Petroleum Science and Engineering, 9(2), 129-133. https://doi.org/10.11648/j.pse.20250902.18
ACS Style
Nabizada, O.; Movsumzada, A. In Situ Application of Demulsifiers for Water in Oil Crude Oil Emulsion Type. Pet. Sci. Eng. 2025, 9(2), 129-133. doi: 10.11648/j.pse.20250902.18
@article{10.11648/j.pse.20250902.18,
  author = {Orkhan Nabizada and Anvar Movsumzada},
  title = {In Situ Application of Demulsifiers for Water in Oil Crude Oil Emulsion Type
},
  journal = {Petroleum Science and Engineering},
  volume = {9},
  number = {2},
  pages = {129-133},
  doi = {10.11648/j.pse.20250902.18},
  url = {https://doi.org/10.11648/j.pse.20250902.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.pse.20250902.18},
  abstract = {This study investigates the process of demulsification in liquid-phase dispersed systems, focusing on the separation of water-oil emulsions that commonly occur in oil fields. Such kind of emulsions formed during oil production reduce recovery efficiency and increase operational challenges. To address this problem, a new technological approach involving the in-situ application of demulsifiers directly within the reservoir was developed. Laboratory experiments were performed using crude oil and emulsion samples collected from the Kursangi oil field. The experimental program included determining emulsion stability and separation efficiency under varying demulsifier concentrations in ambiant temperature conditions. The results demonstrated that the introduction of demulsifiers into the reservoir environment effectively decreased emulsion stability and accelerated phase separation. This improvement led to higher oil recovery efficiency and reduced processing time. In addition, the method contributed to prolonging equipment service life and minimizing the potential for corrosion and scaling. The findings provide a basis for optimizing oil production processes through the proper selection and application of demulsifiers in reservoir conditions, offering both technological and economic benefits for petroleum field operations.
},
 year = {2025}
}
											
										TY - JOUR T1 - In Situ Application of Demulsifiers for Water in Oil Crude Oil Emulsion Type AU - Orkhan Nabizada AU - Anvar Movsumzada Y1 - 2025/10/30 PY - 2025 N1 - https://doi.org/10.11648/j.pse.20250902.18 DO - 10.11648/j.pse.20250902.18 T2 - Petroleum Science and Engineering JF - Petroleum Science and Engineering JO - Petroleum Science and Engineering SP - 129 EP - 133 PB - Science Publishing Group SN - 2640-4516 UR - https://doi.org/10.11648/j.pse.20250902.18 AB - This study investigates the process of demulsification in liquid-phase dispersed systems, focusing on the separation of water-oil emulsions that commonly occur in oil fields. Such kind of emulsions formed during oil production reduce recovery efficiency and increase operational challenges. To address this problem, a new technological approach involving the in-situ application of demulsifiers directly within the reservoir was developed. Laboratory experiments were performed using crude oil and emulsion samples collected from the Kursangi oil field. The experimental program included determining emulsion stability and separation efficiency under varying demulsifier concentrations in ambiant temperature conditions. The results demonstrated that the introduction of demulsifiers into the reservoir environment effectively decreased emulsion stability and accelerated phase separation. This improvement led to higher oil recovery efficiency and reduced processing time. In addition, the method contributed to prolonging equipment service life and minimizing the potential for corrosion and scaling. The findings provide a basis for optimizing oil production processes through the proper selection and application of demulsifiers in reservoir conditions, offering both technological and economic benefits for petroleum field operations. VL - 9 IS - 2 ER -