SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES

Lyubov' Magadova; Polina Krisanova; Viktoriya Kotehova; Aleksandra Shadrina

doi:10.55421/3034-4689_2026_29_7_105

SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES

Published in Herald of Technological University · Volume 29, Issue 7 · Pages 105–111 · Rubric: 2. Chemical Technology

DOI: https://doi.org/10.55421/3034-4689_2026_29_7_105 · EDN: KQQNAO

Received: 10.06.2026 Accepted: 22.07.2026 Published: 30.07.2026

Authors

Lyubov' Magadova

Polina Krisanova

Viktoriya Kotehova

Aleksandra Shadrina

Lyubov' Magadova

Academic degree: doctor of technical sciences

Gubkin Russian State University of Oil and Gas Moscow

Polina Krisanova

Academic degree: candidate of technical sciences

Gubkin Russian State University of Oil and Gas Docent · Kafedra tehnologii himicheskih veschestv dlya neftyanoy i gazovoy promyshlennosti · Moscow

Viktoriya Kotehova

Academic degree: candidate of technical sciences

Russian State University of Oil and Gas named after IM Gubkin Associate Professor · Department of Technology of Chemicals for Oil and Gas Industry · Moscow

Aleksandra Shadrina

Gubkin Russian State University of Oil and Gas Department of Technology of Chemicals for Oil and Gas Industry · Moscow

ABSTRACT

The work is devoted to the choice of a rational method for obtaining an imidazoline base of corrosion inhibitors for the intensification of oil and gas production under changing reaction conditions and feedstock. Various variants of two-stage synthesis based on polyethylene polyamines and oleic acid have been studied with varying process duration, reagent injection method, and solvent availability; additionally, the influence of the nature of the fatty acid, the type of amine, and the use of the KU-2-8 cation exchange catalyst has been evaluated. The properties of the products were determined by density, kinematic viscosity, pH, amine and acid numbers, corrosion rate of St3 steel in hydrochloric acid medium, as well as by interfacial tension at the kerosene boundary. It is shown that the most balanced complex of technological and protective characteristics provides synthesis based on polyethylene polyamines and oleic acid with separate reagent injection, the presence of xylene and a duration of 8 hours: pH 11.07, acid number 0.83 mg KOH/g, amine number 330.01 mg HCl/g, kinematic viscosity 189.3 mm2/s, density 0.9794 g/cm3 and a corrosion rate of 0.483 g/(m2·h) in 12% by weight. HCl with the addition of 0.15% by weight of synthesized imidazoline. In the catalytic series, the minimum corrosion rate of 0.450 g/(m2·h) was achieved with a CU content of-2-8 1 % by weight, however, according to the totality of indicators, synthesis without a catalyst turned out to be the most universal. It was found that stearic acid provides a lower rate of corrosion, but leads to a sharp increase in viscosity, while oleic acid allows to maintain fluidity and high surface activity. The results obtained can be used in optimizing synthesis techniques to create safe inhibitory compositions for the protection of oil and gas equipment.

KEYWORDS

IMIDAZOLINES, NITROGEN-CONTAINING SURFACTANTS, CORROSION INHIBITORS, HYDROCHLORIC ACID, CORROSION PROCESS, OIL AND GAS PRODUCTION, INTERFACIAL TENSION

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GOST

Magadova L. A., Krisanova P. K., Kotehova V. D., Shadrina A. L. SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES // Herald of Technological University. 2026. no. 7. pp. 105-111. DOI: https://doi.org/10.55421/3034-4689_2026_29_7_105. EDN: KQQNAO. (Date of access 23.10.2026).

MLA

Lyubov' Magadova, Krisanova P. K., Kotehova V. D., Shadrina A. L.. "SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES." Herald of Technological University 29.7 (2026): 105-111. DOI: https://doi.org/10.55421/3034-4689_2026_29_7_105. EDN: KQQNAO.

APA

Magadova L. A., Krisanova P. K., Kotehova V. D., Shadrina A. L. (2026). SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES. Herald of Technological University, 29(7), 105-111. https://doi.org/10.55421/3034-4689_2026_29_7_105 EDN: KQQNAO.

Chicago

Lyubov' Magadova, Krisanova P. K., Kotehova V. D., Shadrina A. L.. "SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES." Herald of Technological University 29, no. 7 (2026): 105-111. https://doi.org/10.55421/3034-4689_2026_29_7_105. EDN: KQQNAO.

WIKI

{{cite journal | author = Magadova L. A., Krisanova P. K., Kotehova V. D., Shadrina A. L. | title = SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES | journal = Herald of Technological University | year = 2026 | volume = 29 | issue = 7 | pages = 105-111 | doi = 10.55421/3034-4689_2026_29_7_105 }} EDN: KQQNAO

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SELECTION OF A RATIONAL METHOD FOR SYNTHESIZING NITROGEN-CONTAINING SURFACE- ACTIVE SUBSTANCES FOR USE IN VARIOUS OIL AND GAS PRODUCTION TECHNOLOGIES

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