| Rumiya D. Zaripova | master student of the department of physical chemistry | Aleksander Butlerov Institute of Chemistry, Kazan (Volga region) Federal University, Kazan rumiya_14@mail.ru |
| Aliya R. Khaidarova | master student of the department for development and operation of hard hydrocarbon field | Aleksander Butlerov Institute of Chemistry, Kazan (Volga region) Federal University, Kazan aliyakhaidarova1997@mail.ru |
| Irek I. Mukhamatdinov | Ph.D., senior researcher of «In-situ combustion» laboratory | Institute of Geology and Petroleum technologies, Kazan (Volga region) Federal University, Kazan mc-gross@mail.ru |
| Sergey A. Sitnov | Ph.D., senior researcher of «In-situ combustion» laboratory | Institute of Geology and Petroleum technologies, Kazan (Volga region) Federal University, Kazan sers11@mail.ru |
| Alexey V. Vakhin | Ph.D., senior researcher of «In-situ combustion» laboratory | Institute of Geology and Petroleum technologies, Kazan (Volga region) Federal University, Kazan vahin-a_v@mail.ru |
The results of magnetite influences on the conversion of Ashal’cha heavy oil is presented in the given paper. The catalyst for in-situ upgrading of heavy oil is mostly directed on reduction of asphaltenes and resins contents and their molecular masses. It also increases the content of saturated and aromatic hydrocarbons. The significant viscosity decrease in the obtained products of catalytic aquathermolysis was observed.
Materials and methods
Extra viscous oil from the Ashalchinskoye field of the Republic of Tatarstan, mixed iron oxides (II, III), SARA analysis, rheology, scanning electron microscopy.
Results
Thus, the physical stimulation of thermal treatment of heavy oil was carried out before and after the catalyst introduction, which is the mixed oxides of iron (II, III) — Fe3О4 (Fe2О3•FeO) with ultra-dispersed size. The catalyst for in-situ upgrading of heavy oil is directed to:
a) improve the group-chemical composition of heavy oil, particularly on decreasing the content of resins, asphaltenes and their molecular masses, as well as increasing the content of saturates and aromatic hydrocarbons;
b) decreasing the viscosity of obtained products of catalytic aquathermolysis.
Conclusions
The application of catalyst, which is composed of mixed oxides within hydrogen donor, increases the efficiency of thermal recovery methods of such unconventional resources like heavy oil and natural bitumen.
