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Neftyanaya Provintsiya
electronic peer-reviewed scholarly publication
Neftyanaya provintsiya No. 4(32), 2022

Some questions of laboratory assessment of changes in the properties of bituminous oil after solvent injection into steam cycle wells

E.F. Zakharova, V.A. Sayakhov, L.R. Shaikhrazieva, R.H. Sadreeva, L.K. Shaidullin
DOI: https://doi.org/10.25689/NP.2022.4.165-182

Abstract


The development of hard-to-recover oil reserves is an urgent problem that requires attention. One of the methods for solving this problem is the use of a complex method of influencing the bottomhole zone of the well. For the analyzed object, a technology is proposed based on thermal and chemical effects, namely, the injection of steam together with the solvent. The article presents the results of laboratory studies of bituminous oil samples before and after solvent injection into procyclic wells.

Key words:

extra-heavy oil; chromatography; thermogravimetry; optical research methods; reduction of oil viscosity; thermal methods of stimulation

References

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Authors

E.F. Zakharova, PhD, Associate Professor of department «Development and exploitation of oil and gas fields», Almetyevsk State Oil Institute
2, Lenin st., Almetyevsk, 423450, Russian Federation
E-mail: zakharovaef@yandex.ru

V.A. Sayakhov, Ph.D., Associate Professor of department «Development and exploitation of oil and gas fields», Almetyevsk State Oil Institute
2, Lenin st., Almetyevsk, 423450, Russian Federation
E-mail: sayakhoff@mail.ru

L.R. Shaikhrazieva, Ph.D., assistant of department «Development and exploitation of oil and gas fields», Almetyevsk State Oil Institute
2, Lenin st., Almetyevsk, 423450, Russian Federation
E-mail: layissan@mail.ru

R.H. Sadreeva, Head of the laboratory of the center for scientific and technical research, Almetyevsk State Oil Institute
42, Fachretdina st., Almetyevsk, 423450, Russian Federation
E-mail: roza.hatipovna@yandex.ru

L.K. Shaidullin, PhD student of department «Development and exploitation of oil and gas fields», Almetyevsk State Oil Institute
2, Lenin st., Almetyevsk, 423450, Russian Federation
E-mail: lenar-shaydullin@mail.ru

For citation:

E.F. Zakharova, V.A. Sayakhov, L.R. Shaikhrazieva, R.H. Sadreeva, L.K. Shaidullin K voprosu laboratornoj ocenki svojstv nefti posle zakachki rastvoritelja [Some questions of laboratory assessment of changes in the properties of bituminous oil after solvent injection into steam cycle wells]. Neftyanaya Provintsiya, No. 4(32), 2022. pp. 165-182. DOI https://doi.org/10.25689/NP.2022.4.165-182. EDN ESEHPR (in Russian)

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