| Ionic liquids as a potential additive for reducing surfactant adsorption onto crushed Berea sandstone AS Hanamertani, RM Pilus, AK Idris, S Irawan, IM Tan Journal of Petroleum Science and Engineering 162, 480-490, 2018 | 79 | 2018 |
| CFD method for predicting annular pressure losses and cuttings concentration in eccentric horizontal wells TN Ofei, S Irawan, W Pao Journal of Petroleum Engineering 2014, 2014 | 74 | 2014 |
| Optimization of weight on bit during drilling operation based on rate of penetration model S Irawan, A Rahman, S Tunio Research Journal of Applied Sciences, Engineering and Technology 4 (12 …, 2012 | 61 | 2012 |
| Killer whale algorithm: an algorithm inspired by the life of killer whale TR Biyanto, S Irawan, HY Febrianto, N Afdanny, AH Rahman, ... Procedia computer science 124, 151-157, 2017 | 57 | 2017 |
| Effects of pressure and temperature on well cement degradation by supercritical CO2 A Sauki, S Irawan International Journal of Engineering & Technology IJET-IJENS 1 (04), 53-61, 2010 | 52 | 2010 |
| Optimization of water-based drilling fluid using non-ionic and anionic surfactant additives P Yunita, S Irawan, D Kania Procedia engineering 148, 1184-1190, 2016 | 44 | 2016 |
| Artificial neural network model for prediction of drilling rate of penetration and optimization of parameters M Bataee, S Irawan, M Kamyab Journal of the Japan Petroleum Institute 57 (2), 65-70, 2014 | 44 | 2014 |
| Improving oil well cement slurry performance using hydroxypropylmethylcellulose polymer G Abbas, S Irawan, S Kumar, AAI Elrayah Advanced Materials Research 787, 222-227, 2013 | 43 | 2013 |
| Investigation of thermal conductivity of multi walled carbon nanotube dispersed in hydrogenated oil based drilling fluids YH Chai, S Yusup, VS Chok, MT Arpin, S Irawan Applied Thermal Engineering 107, 1019-1025, 2016 | 32 | 2016 |
| Corn cobs and sugar cane waste as viscosifier in drilling fluid S Iranwan, A Azmi, M Saaid Pertanika Journal of Science & Technology 17 (1), 2009 | 30 | 2009 |
| Strength prediction of Class G oilwell cement during early ages by electrical conductivity S Ridha, S Irawan, B Ariwahjoedi Journal of Petroleum Exploration and Production Technology 3, 303-311, 2013 | 28 | 2013 |
| Transesterification Reaction for Synthesis of Palm–based Ethylhexyl Ester and Formulation as Base Oil for Synthetic Drilling Fluid NSHA Habib, R Yunus, U Rashid, YH Taufiq-Yap, ZZ Abidin, AM Syam, ... Journal of oleo science 63 (5), 497-506, 2014 | 25 | 2014 |
| Synthesis and application of mesoporous silica nanoparticles as gas migration control additive in oil and gas cement M Khalil, A Amanda, RT Yunarti, BM Jan, S Irawan Journal of Petroleum Science and Engineering 195, 107660, 2020 | 23 | 2020 |
| A review on the application of ionic liquids for enhanced oil recovery AS Hanamertani, RM Pilus, S Irawan ICIPEG 2016: Proceedings of the International Conference on Integrated …, 2017 | 23 | 2017 |
| Characteristics of oil well cement slurry using hydroxypropylmethylcellulose G Abbas, S Irawan, S Kumar, KR Memon, SA Khalwar Journal of Applied Sciences 14 (11), 1154-1160, 2014 | 22 | 2014 |
| Hot springs in the Malay Peninsula WS Chow | 21 | 2010 |
| Thermophysical properties of graphene nanosheets–Hydrogenated oil based nanofluid for drilling fluid improvements YH Chai, S Yusup, VS Chok, S Irawan, JSDB Singh Applied Thermal Engineering 122, 794-805, 2017 | 18 | 2017 |
| Gas migration prevention using hydroxypropylmethylcellulose as a multifunctional additive in oil well cement slurry G Abbas, S Irawan, S Kumar, MN Khan, S Memon SPE/PAPG Annual Technical Conference, 2013 | 18 | 2013 |
| Preliminary study on gas storage capacity and gas-in-place for CBM potential in Balingian coalfield, Sarawak Malaysia KC Chen, S Irawan, CW Sum, SQ Tunio 2011 National Postgraduate Conference, 1-12, 2011 | 17 | 2011 |
| Comparison of machine learning classifiers for accurate prediction of real-time stuck pipe incidents JA Khan, M Irfan, S Irawan, FK Yao, MS Abdul Rahaman, AR Shahari, ... Energies 13 (14), 3683, 2020 | 16 | 2020 |
