Nucleation of methane hydrate and ice in emulsions of water in crude oils and decane under non-isothermal conditions

Andrey S. Stoporev; Lidiya I. Svarovskaya; Larisa A. Strelets; Lubov' K. Altunina; Galina V. Villevald; Tamara D. Karpova; Tatyana V. Rodionova; Andrey Yu. Manakov

doi:10.1016/j.cjche.2018.09.003

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Nucleation of methane hydrate and ice in emulsions of water in crude oils and decane under non-isothermal conditions

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Nucleation of methane hydrate and ice in emulsions of water in crude oils and decane under non-isothermal conditions
- Chinese Journal of Chemical Engineering Vol. 27, Issue 3, Pages: 668-676(2019)
- Affiliations：
  
  1. 2 Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russian Federation
  2. 3 Institute of Petroleum Chemistry, Akademichesky ave., 4, Tomsk 634021, Russian Federation
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.09.003
  CLC：
- Published：2019
- Accepted：
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Andrey S. Stoporev, Lidiya I. Svarovskaya, Larisa A. Strelets, Lubov' K. Altunina, Galina V. Villevald, Tamara D. Karpova, Tatyana V. Rodionova, Andrey Yu. Manakov. Nucleation of methane hydrate and ice in emulsions of water in crude oils and decane under non-isothermal conditions[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 668-676.
DOI：

Andrey S. Stoporev, Lidiya I. Svarovskaya, Larisa A. Strelets, Lubov' K. Altunina, Galina V. Villevald, Tamara D. Karpova, Tatyana V. Rodionova, Andrey Yu. Manakov. Nucleation of methane hydrate and ice in emulsions of water in crude oils and decane under non-isothermal conditions[J]. Chinese Journal of Chemical Engineering, 2019, 27(3): 668-676. DOI： 10.1016/j.cjche.2018.09.003.

摘要

Abstract

Achievable supercooling for the formation of methane hydrate from water emulsions was studied in seven different crude oils and in decane. The experiments were performed under constant rate cooling from +20 to -15℃ and a pressure of methane of 12 MPa. It was demonstrated that the shapes and positions of the resulting survival curves depend on the density

viscosity and dispersive power of oil samples used in the experiments

as well as on the degree of oil oxidation. In addition

results of the experiments on ice freezing under the same emulsions are presented. The results obtained in the work allowed us to discuss the possibility and features of primary and secondary nucleation of the hydrate and ice in the systems under consideration

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