A.A. Rybakov, R.R. Zakirov, V.D. Zimin
DOI: https://doi.org/10.25689/NP.2023.1.95-108
Abstract
Acid hydraulic fracturing (HF) is a complex, energy-intensive and expensive technological process. In the development of carbonate reservoirs, the fracturing technology is one of the most common, which can significantly increase the flow rate of production wells. When carrying out hydraulic fracturing, it is necessary to pay special attention to the formulation of the composition and injection technology as determining the success of the process. In the process of acid interaction both with the mineralogical component of the formation and with fluids (oil, water), asphaltenes can be formed, causing formation clogging, which reduces the efficiency of hydraulic fracturing.
To develop a methodology for selecting acid compositions for hydraulic fracturing using IR spectroscopy, the authors of the work considered existing methods for determining the quantitative assessment and degree of precipitation of asphaltenes for selecting the optimal formulation and composition for hydraulic fracturing.
Based on the results of the analysis of the laboratory studies of IR spectroscopy for all the studied samples of oil samples and compositions using acidic compositions, it was found that the distribution of spectral coefficients has a different character, and the influence of the branching coefficient on the content of aromatic hydrocarbons was also established.
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Authors
A.A. Rybakov, PhD, Assistant Professor, Department of Development and Operation of Oil and Gas Fields), Almetyevsk State Oil Institute
2, Lenina st., Almetyevsk, 423450, Russian Federation
E-mail: r.akram@inbox.ru
R.R. Zakirov, Postgraduate Student, Engineer, Oilfield Chemistry Laboratory, Scientific and Technical Research Center, Almetyevsk State Oil Institute
2, Lenina st., Almetyevsk, 423450, Russian Federation
E-mail: zakirov-rinat-94@mail.ru
V.D. Zimin, Leading Specialist, Key Innovative Processes Support Department, Technological Development Center, PJSC TATNEFT
75, Lenina st., Almetyevsk, 423450, Russian Federation
E-mail: zimin9404@mail.ru
For citation:
A.A. Rybakov, R.R. Zakirov, V.D. Zimin Obzor provedeniya kislotnogo gidravlicheskogo razryva plasta, metodiki IK-spektroskopii i prome-zhutochnyye rezul'taty issledovaniy [Review of acid hydraulic fracturing, IR spectroscopy techniques and interim research results]. Neftyanaya Provintsiya, No. 1(33), 2023. pp. 95-108. DOI https://doi.org/10.25689/NP.2023.1.95-108. EDN QKLSYQ (in Russian)