The aquathermolysis process is widely considered to be one of the most promising
approaches of in-situ upgrading of heavy oil. It is well known that introduction of metal ions …

The results of the evaluation of asphaltene content in heavy crude oil depend on the solvent
chosen; and the products obtained at this evaluation have varying effects on oil viscosity. In …

Despite the remarkable effort performed to understand the reaction mechanism of
asphaltenes during aquathermolysis reaction, the knowledge level about their molecular …

A series of 12 asphaltene samples extracted from heavy oils and the oxidized bitumen of
different origin has been studied with high-frequency W-band (94 GHz) pulsed electron …

In this research, six various asphaltenes extracted from crude oil mixtures of three Russian
refinery plants and some heavy residues of these plants were studied with applying …

The use of hexamethyldisiloxane (HMDSO) for deasphalting heavy crude oil allows
precipitating several times more compounds from crude oil compared to aliphatic …

The influence of temperatures of 250, 300, and 350° C on the character of changes in the
group and hydrocarbon compositions of heavy oil from the Ashal'chinskoe field in laboratory …

In this study, the specific features of Ashal'cha heavy oil conversion were revealed. The
hydrothermal catalytic experiments were carried out in a CO2 environment and in the …

In order to overcome the shortcoming of batch production in the retort and improve the
quality of three-state products, a moving bed as pyrolysis furnace and torrefaction …

Comparative characteristics of resins, asphaltenes, and low polar components of heavy oils
from the Ashalchinskoye (I) and Nurlatskoye (II) oil fields (Republic of Tatarstan, Russia) are …