| Relationships between SARA fractions of conventional oil, heavy oil, natural bitumen and residues S Rudyk Fuel 216, 330-340, 2018 | 88 | 2018 |
| Foam assisted WAG, snorre revisit with new foam screening model P Spirov, SN Rudyk, AA Khan SPE North Africa Technical Conference and Exhibition, SPE-150829-MS, 2012 | 60 | 2012 |
| Supercritical extraction of crude oil by methanol-and ethanol-modified carbon dioxide S Rudyk, S Hussain, P Spirov The Journal of Supercritical Fluids 78, 63-69, 2013 | 58 | 2013 |
| Upgrading and extraction of bitumen from Nigerian tar sand by supercritical carbon dioxide S Rudyk, P Spirov Applied Energy 113, 1397-1404, 2014 | 48 | 2014 |
| Supercritical carbon dioxide extraction of oil sand enhanced by water and alcohols as Co-solvents S Rudyk, P Spirov, R Al-Hajri, G Vakili-Nezhaad Journal of CO2 Utilization 17, 90-98, 2017 | 40 | 2017 |
| Application of GC–MS chromatography for the analysis of the oil fractions extracted by supercritical CO2 at high pressure S Rudyk, P Spirov, E Sogaard Fuel 106, 139-146, 2013 | 32 | 2013 |
| Effect of co-solvents on SC-CO2 extraction of crude oil by consistency test S Rudyk, P Spirov, S Hussain The Journal of Supercritical Fluids 91, 15-23, 2014 | 31 | 2014 |
| The bitumen upgrading of Nigerian oil sand by supercritical carbon dioxide modified with alcohols S Rudyk, P Spirov, I Jimoh, G Vakili-Nezhaad Energy & Fuels 28 (7), 4714-4724, 2014 | 23 | 2014 |
| Effect of temperature on crude oil extraction by SC-CO2 at 40–70° C and 40–60 MPa S Rudyk, P Spirov, A Tyrovolas Journal of CO2 Utilization 24, 471-478, 2018 | 20 | 2018 |
| Effect of RegenOx oxidant as a modifier on crude oil extraction by supercritical carbon dioxide P Spirov, S Rudyk Energy & fuels 27 (3), 1492-1498, 2013 | 20 | 2013 |
| Modelling of microbial enhanced oil recovery application using anaerobic gas-producing bacteria P Spirov, Y Ivanova, S Rudyk Petroleum Science 11, 272-278, 2014 | 17 | 2014 |
| Vaporization of Crude Oil by Supercritical CO2 at Different Temperatures and Pressures: Example from Gorm Field in the Danish North Sea S Rudyk, P Spirov, P Samuel, SJ Joshi Energy & Fuels 31 (6), 6274-6283, 2017 | 16 | 2017 |
| Changing the structure of resin-asphaltenes molecules in cracking Y Imanbayev, Y Tileuberdi, Y Ongarbayev, Z Mansurov, A Batyrbayev, ... Eurasian Chemico-Technological Journal 19 (2), 147-154, 2017 | 15 | 2017 |
| Saturation-Height Model of Omani deep tight gas reservoir S Rudyk, A Al-Lamki Journal of Natural Gas Science and Engineering 27, 1821-1833, 2015 | 14 | 2015 |
| Testing of Snorre field foam assisted water alternating gas (FAWAG) performance in new foam screening model P Spirov, S Rudyk Oil & Gas Science and Technology–Revue d’IFP Energies nouvelles 70 (6), 1025 …, 2015 | 14 | 2015 |
| Determination of saturation pressures using experimental data of modified SC-CO2 extraction of crude oil by consistency test S Rudyk The Journal of Supercritical Fluids 82, 63-71, 2013 | 14 | 2013 |
| Internal olefin sulfonate foam coreflooding in low-permeable limestone at varying salinity S Rudyk, S Al-Khamisi, Y Al-Wahaibi, N Afzal Energy & fuels 33 (9), 8374-8382, 2019 | 13 | 2019 |
| Mechanistic study of surfactant/polymer adsorption and its effect on surface morphology and wettability Y Al-Wahaibi, AA Al-Hashmi, S Joshi, N Mosavat, S Rudyk, S Al-Khamisi, ... SPE Oil and Gas India Conference and Exhibition?, D021S010R005, 2017 | 11 | 2017 |
| Temperature effect on extraction and purification of used motor oil by supercritical carbon dioxide S Rudyk, P Spirov The Journal of Supercritical Fluids 128, 291-299, 2017 | 10 | 2017 |
| Three-dimensional scheme of supercritical carbon dioxide extraction of heavy hydrocarbon mixture in (pressure; temperature; recovery) coordinates S Rudyk, P Spirov Energy & fuels 27 (10), 5996-6001, 2013 | 9 | 2013 |
