Improvement of oil field development using enhanced oil recovery methods
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- Category: Content №6 2021
- Last Updated on 29 December 2021
- Published on 30 November -0001
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Authors:
G.Moldabayeva, orcid.org/0000-0001-7331-1633, Satbayev University, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
R.Suleimenova, orcid.org/0000-0001-7995-5560, Satbayev University, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
N.Buktukov, orcid.org/0000-0001-6370-8557, D.A.Kunayev Mining Institute, Almaty, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
M.Mergenov, orcid.org/0000-0001-7418-6993, Southern Alberta Institute of Technology, Calgary, Canada, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2021, (6): 023 - 028
https://doi.org/10.33271/nvngu/2021-6/023
Abstract:
Purpose. To develop a technology to increase the oil recovery of formations using injection of polymer compositions.
Methodology. For this study, practical methods were used such as enhanced oil recovery using stimulating technologies, technology using polymer systems based on a water-soluble polymer acrylamide, and emulsion-polymer technology. To achieve the conformance control, which was a prerequisite for testing, a thorough selection of wells was carried out, as well as an analysis of their hydrodynamic connection.
Findings. As a result of using the method for limiting water inflows in the development of oil-bearing formations, redistribution of filtration channels, and a decrease in the production of fossil water as well as stabilisation of water cut were achieved.
Originality. The scientific novelty of the study is the withdrawal of wells that are able to redistribute the volume of water injection at perforation intervals. Increased sweep efficiency and pressure at the wellhead at the beginning and at the end of the conformance control indicate a decrease in the conductivity of high-permeability formation intervals.
Practical value. Application of the proposed technology for limiting water inflows will make it possible to develop low-permeability interlayers with filtration flows. The wells brought to a stable production rate during the study will ensure a decrease in formation water production and the water cut of the produced products, as well as stabilisation of the water cut over a certain period.
Keywords: reservoir, production well, water injection well, formation water, oil deposits
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