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Title

Simulation of Low Salinity Waterflooding in a Fractured Carbonate Reservoir: Case Study

Year: 1395
Publish place:
COI: OGPD04_015
Language: EnglishView: 293
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Authors

Seyed Mojtaba Bassir - Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran
Ghasem Zargar - Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran
Jamshid Moghadasi - Department of Petroleum Engineering, Ahwaz Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran
Ramin Roghanian - National Iranian South Oil Company (NISOC), Ahwaz, Iran

Abstract:

Low salinity waterflooding (LSW) is an applicable, simple and cheap enhancedoil recovery (EOR) technique for improving oil recovery from sandstone andcarbonate reservoirs. The main mechanism of improving oil recovery by lowsalinity water flooding is wettability alteration and residual oil saturationdecrease. In this study, a sector of a fractured carbonate reservoir is modelledand low salinity waterflooding is simulated for a 10-years period bySchlumberger s ECLIPSE100 reservoir simulator. The results show that lowsalinity waterflooding has low effect on this sector such that lowering theinjected water salinity from 40,000 ppm (sea water salinity) to 1000 ppm yieldsa difference of 0,013% based on original oil in place (OOIP) in ultimate recovery.This value is equivalent to about 50,000 STB more recovery in a 10-yearsperiod, that is negligible. Moreover, if the field water salinity decreases from123,000 ppm (initial salinity) up to 30,000 ppm, the difference in ultimaterecovery is about 0,277% based on original oil in place (equivalent to about1,100,000 STB); but this assumption is impossible in nature and not applicable.The main reason of failure of low salinity waterflooding process in this sector isrelated to favorable wetting condition that is intermediate while low salinitywaterflooding technique is more efficient in oil-wet reservoirs.

Keywords:

Low salinity waterflooding, Enhanced oil recovery, Reservoir simulation, Fractured carbonate reservoirs, Wettability alteration

Paper COI Code

This Paper COI Code is OGPD04_015. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/572283/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Bassir, Seyed Mojtaba and Zargar, Ghasem and Moghadasi, Jamshid and Roghanian, Ramin,1395,Simulation of Low Salinity Waterflooding in a Fractured Carbonate Reservoir: Case Study,چهارمین کنفرانس بین المللی نفت،گاز،پالایش وپتروشیمی بارویکردتوسعه ارتباط دولت،دانشگاه وصنعت,Shiraz,https://civilica.com/doc/572283

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  • Rivet, S. M., (2119), "Coreflooding _ Displacements with Low Salinity ...
  • Morrow, N. R., (1991), "Wettaility and Its Effect On Oil ...
  • Yildiz, H. O. and Morrow, N. R., (1991), "Effect of ...
  • Bagci, S., Kok, M. V. and Turksoy U., (2111), "Effect ...
  • Yang, J., Dong, Z., and Lin, M., (2110), _ Impact ...
  • McGuire, P. L, Chatham, J. R., Paskvan, F. K., Sommer, ...
  • Al-Shalabi, E. W., Sepehrnoori, K., and Delshad, M., (2110), "Numerical ...
  • Dang, C., Nghiem, L, Nguyen, N., Chen, Z, and Nguyen, ...
  • Ahmetgareev, V., Zeinijahromi, A., Badalyan, A., Khisamov, R., and Bedrikovetsky, ...
  • Schlumberger, Eclipse Technical Description, 211131. ...
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