Нефтегазовые нанотехнологии для разработки и эксплуатации месторождений. Часть 3. Евдокимов И.Н - 4 стр.

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РГУНиГ им. Губкина | Москва

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I.N. Evdokimov, N.Yu. Eliseev, D.Yu. Eliseev Peculiarities of
Rheology of Crude Oil and Bitumen Emulsions at Industrially-
Important Temperatures
1. Introduction . . . . . . . . . . . . . . . . . 26
2. Materials and Methods
2.1. Samples . . . . . . . . . . . . . . . . 27
2.2. Apparatus and Procedure . . . . . . . . . 27
3. Results
3.1. Shear Stress Dependencies of Viscosity . . . . . 28
3.2. Constant-Shear Viscosities before
after thermal preload
. . . . . . . . . . .
29
3.3. The Critical Formation Temperatures and
the Effect of Thermal Memory
. . . . . . . .
30
3.4. Activation Energies of the Viscous Flow . . . . . 32
4. Discussion
4.1. The Role of Asphaltenes . . . . . . . . . . 33
4.2. The “Trigger” Mechanism of Asphaltene
Aggregation after Thermal Preload
. . . . . .
34
4.3. The Role of Waxes . . . . . . . . . . . . 34
4.4. Interpretation of the Activation Energies . . . . 36
5. Conclusions . . . . . . . . . . . . . . . . . 37
References . . . . . . . . . . . . . . . . . . 37
I.N. Evdokimov, N.Yu. Eliseev, D.Yu. Eliseev Thermophysical
Properties and Phase-Behavior of Asphaltene-Containing Petro-
leum Fluids
Abstract . . . . . . . . . . . . . . . . . . . 39
1. Introduction . . . . . . . . . . . . . . . . 40
2. Experimental
2.1. Oil Samples . . . . . . . . . . . . . . 40
2.2. Apparatus and Experimental Procedure . . . . 41
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