The role of nanodispersed catalysts in microwave application during the development of unconventional hydrocarbon reserves: a review of potential applications

AV Vakhin, MA Khelkhal, A Tajik, MR Gafurov… - Processes, 2021 - mdpi.com
Electromagnetic impact on oil reservoir manifests itself in various physical and chemical
phenomena and attracts a significant scientific and technological interest. Microwave (MW) …

Sunflower oil as renewable biomass source to develop highly effective oil-soluble catalysts for in-situ combustion of heavy oil

A Tajik, A Farhadian, MA Khelkhal… - Chemical Engineering …, 2023 - Elsevier
In-situ combustion has received much attention in the last few decades for enhanced heavy
oil recovery processes. Although a wide part of research efforts has only focused on the …

Crude oil oxidation in an air injection based enhanced oil recovery process: Chemical reaction mechanism and catalysis

C Yuan, W Pu, MA Ifticene, S Zhao… - Energy & …, 2022 - ACS Publications
Air injection as a thermal method for heavy oil recovery has a long history of about a century.
However, it has not been widely applied in oilfields to date because of many challenges …

Rock Mineral Components' Effects on Heavy and Shale Oil Transformation during Aquathermolysis

AV Vakhin - Energies, 2022 - mdpi.com
One of the main topics that generate the interest of experts nowadays involves the
processes of organic matter chemical transformation during heavy and shale oil reservoirs' …

Thermal behavior of heavy oil catalytic pyrolysis and aquathermolysis

MA Khelkhal, SE Lapuk, AV Buzyurov, NE Ignashev… - Catalysts, 2022 - mdpi.com
There is still considerable controversy surrounding the mechanisms, thermodynamics, and
kinetics of heavy oil aquathermolysis and pyrolysis processes. The present paper aims to …

In situ combustion of heavy, medium, and light crude oils: Low-temperature oxidation in terms of a chain reaction approach

AS Ushakova, V Zatsepin, MA Khelkhal… - Energy & …, 2022 - ACS Publications
Oil oxidation reactions have attracted considerable interest in terms of mechanism
comprehension for thermally enhanced oil recovery applications. Many hypotheses …

Changes in heavy oil saturates and aromatics in the presence of microwave radiation and iron-based nanoparticles

AV Vakhin, MA Khelkhal, II Mukhamatdinov… - Catalysts, 2022 - mdpi.com
Our knowledge of electromagnetic heating's effect on heavy oil upgrading is largely based
on very limited data. The aim of the present research was thus to study in detail the effect of …

Effect of Ligand Structure on the Kinetics of Heavy Oil Oxidation: Toward Biobased Oil-Soluble Catalytic Systems for Enhanced Oil Recovery

A Farhadian, MA Khelkhal, A Tajik… - Industrial & …, 2021 - ACS Publications
In recent years, protection of the environment from activities associated with enhanced oil
recovery has been considered a crucial priority for decision-makers in the international …

A critical review of reservoir simulation applications in key thermal recovery processes: Lessons, opportunities, and challenges

S Yang, Z Nie, S Wu, Z Li, B Wang, W Wu… - Energy & Fuels, 2021 - ACS Publications
After a cyclic steam stimulation (CSS) process achieved accidental success in recovering
heavy oil resources in the 1960s, thermal recovery processes started to unlock the door of in …

Microwave radiation impact on heavy oil upgrading from carbonate deposits in the presence of nano-sized magnetite

AV Vakhin, MA Khelkhal, A Tajik, NE Ignashev… - Processes, 2021 - mdpi.com
The present paper reports experiments on microwave heating of a carbonate oil-containing
rock sample in the presence and absence of an iron-magnetite-based nanocatalyst. It has …