Abstract :
Approximately sixty percent of crude oil still lay trapped in the reservoir even after primary and secondary recovery processes have been completed, hence the need for a method that further improves recovery. To increase oil recovery and encourage utilization of local content, locally source alkaline and polymer materials were used to improve oil recovery in this study. The local alkaline and polymer used are plantain peel ash and corn starch respectively. The efficiency of the plantain peel ash and corn starch solution were tested using different seven core samples. The core samples were individually flooded with brine (salt and water) for secondary recovery process and different concentrations of plantain peel ash and corn starch both in stand-alone and in combined form were used for tertiary recovery. The results obtained from the experimental work showed that sample-B5 with 0.2g of plantain peel ash and 0.2g of corn starch in 100ml of brine gave the highest cumulative recovery of 86% as to compare to samples B1 and B2 which has the cumulative recovery of 70% and 78% respectively. Sample-B7 which has the highest concentration of corn starch (0.4g/100ml) gave the lowest recovery of 65% due to polymer adsorption on the rock surfaces which alters the rock wettability. The assessment of formation damage was done by evaluating and determining the permeability change after tertiary flooding. The concentrations with plantain peel ash have reduced permeability change. These locally sourced materials can replace synthetic enhanced oil recovery (EOR) chemical when properly modified and refined, and they are also cheap and environmentally friendly.
Keywords :
Alkaline-Polymer, Corn Starch, Enhanced Oil Recovery, Permeability Change, Plantain Peel AshReferences :
- Samanta, A. Bera, K. Ojha, and A. Mandal (2012). Comparative studies on enhanced oil recovery by alkali surfactant and polymer flooding, J. Pet. Explor. Technol., vol. 2, no. 4, p. 67-74. https://doi.org/10.1007/s13202-012-0021-2.
- Q, Dong, M., Ma, S. and Tu, Y. (2007). Surfactant enhanced alkaline flooding for Western Canadian heavy oil recovery, Colloids Surf. A Physicochem. Eng. Asp. vol. 293 (3), p. 63 – 71. https://doi.org/10.1016/J.COLSURFA.2006.07.013.
- Gbadamosi, A. O., Junín, R., Manan, M. A, Agi, A. and Yusuff A. S. (2019). An overview of chemical enhanced oil recovery: Recent advances and prospects, International Nano Lett., 9, p. 171-202. Link. Springer.com/article/ 10.1007/s40089-019-0272-8
- Agi, A., Junin, R., Gbonhinbor, J. and Onyekonwu, M. (2017). Natural Polymer Flow Behavior in porous media for enhanced oil recovery applications: A Review., Journal of Petroleum Exploration and Production Technology, vol. 8, pp. 1349–1362. https://doi.org/10.1007/s13202-018-0434-7
- Ayere, F. and Mbachu, I. I. (2022). Experimental study on enhanced oil recovery using local – alkaline polymer,” International Journal of Research in Engineering and Science, vol. 10, (5). ijres.org/paper/Vol. 10/issue-5/ser-15/1005291300
- Abbas, A.H., Elhag, H. H., Sulaiman, W.R.W., Gbadamosi, A. O., Pourafshary, P., Ebrahimi, S.S., Alqohaly, O.Y. and Agi, A. (2021). A modelling of continuous surfactant flooding application for marginal oilfields: A case study of Bentiu reservoir, J. Pet. Explore. Prod., 11, p. 989–1006,
- Firozjaii, A.M. and Saghafi, H.R. (2020). “Review on chemical enhanced oil recovery using polymer flooding: fundamentals, experimental and numerical simulation,” Petroleum, 6, (2), p. 115-122.
https://doi.org/10.1016/j.petlm.2019.09.003.
- Ikeagwu, , Nyah, F. J. Onyekonwu, M. O., Ogolo, N. A. and Ubani, C. (2013). Study of Alcohol Mixtures for Enhanced Oil Recovery, Society of Petroleum Engineers Journal, Dio: 10.2118//167547.
- Ikeagwu and Adetila S. (2015). The Study of Local Polymer on Enhance Oil Recovery, Scholars Research Library, Archives of Applied Science Research, Vol. 7, (6), p. 48-55, www.scholarsresearchlibrary.com.
- Akpoturi, P. and Ofesi, S. F. (2017). Enhance Oil Recovery using Local Alkaline, Nigeria Journal of Technology, vol. 36, (3), p. 515-522. http://dx.doi.org /10.4314/njt. v36i2.26
- Alake, A.S. (2018). Enhance Oil Recovery in Reservoir Formation Rocks Using a Locally Sourced Material Alcohol (Palm wine), Journal of Petroleum and Environment Biotechnol. vol 9, DOI 10.4172, 2157-7463.
- Uzoh, C. U., Onyekonwu. M. O. And Akaranta, O. (2019). Chemical flooding enhanced oil Recovery using local alkaline – surfactant – polymer, vol. 7, (1), p. 16 -24. https://doi.org /10.31871/WJIR.7.1.3.
- Imad, B. E., Igbagara, W. , Oguta, N. P., Toun-Aregha and Ebikapadei E. Y. (2021). Improving Oil Recovery Efficiency Using Corn Starch as a Local Polymer for Enhanced Oil Recovery Processes, International Journal of Current Science Research and Review, Vol. 4, (11). DOI:10.47191/ijesrr/V4-i11-07.
- Cheraghian, G. and Hendraningrat, L. (2016). A Review on Applications of Nanotechnology in the Enhanced Oil Recovery, Part B: Effect of Nano flooding. Nano Letters. vol 6 (1), p. 1-10. https://doi.org/10.1007/s40089-015-0170-7.
- Druetta, P. and Picchioni, F. (2018). Influence of the polymer degradation on Enhanced Oil Recovery Processes, Elsevier- Applied Mathematical Modelling. Vol. 69, (11), p. 142 – 163. https: //doi.org/10.1016/j.apm.2018.11.051.
- Uzoh, C. U., Onyekonwu M. O. and Akaranta, O. (2019). Characterization of Local Alkaline, Surfactant and Polymer Used for Enhanced Oil Recovery, International Journal of Engineering Research and Management, vol. 6, (5). https://www.researchgate.net/publication/333238570
- Onudibia, M. E. Dim L.A. and Ogunleye, P.O. (2014). Elemental analysis of common food thickeners, Nigerian Journal of Physics, vol. 25(2), p. 144-149.
- Abbas, A. H., Elhag, H. H., Sulaiman, W.R.W, Gbadamosi, A., Pourafshary, P. Ebrahimi, S.S. Alqohaly, O.Y. and Agi, A. Modelling of continuous surfactant flooding application for marginal oilfields: A case study of Bentiu reservoir,” Pet. Explor. Prod., vol. 11, p. 989–1006.
- Pogaku, R., Fuat, N. H. M, Sakar, S. Cha, Z. W., Musa, N. and Tajudin, D. (2021). Polymer flooding and its combinations with other chemical injection methods in enhanced oil recovery, Polymer Bull vol. 75(4), p. 1753–7. https://doi.org/10.1007/s00289017-2106-z.
- Pothula, G. K., Vij, R. K. and Bera, A. (2023). An overview of chemical enhanced oil recovery and its status in India, Petroleum Science, p. 7-8. http://doi.org/10.1016/j.petsci.20323/.001.