| Optimal determination of rheological parameters for Herschel–Bulkley drilling fluids and impact on pressure drop, velocity profiles and penetration rates during drilling VC Kelessidis, R Maglione, C Tsamantaki, Y Aspirtakis Journal of Petroleum Science and Engineering 53 (3-4), 203-224, 2006 | 344 | 2006 |
| Modeling flow pattern transitions for upward gas-liquid flow in vertical concentric and eccentric annuli VC Kelessidis, AE Dukler International Journal of Multiphase Flow 15 (2), 173-191, 1989 | 223 | 1989 |
| Nano-based drilling fluids: A review Z Vryzas, VC Kelessidis Energies 10 (4), 540, 2017 | 222 | 2017 |
| Nanoparticle-based drilling fluids for minimizing formation damage in HP/HT applications O Mahmoud, HA Nasr-El-Din, Z Vryzas, VC Kelessidis SPE international conference and exhibition on formation damage control …, 2016 | 185 | 2016 |
| Effect of pH and electrolyte on the rheology of aqueous Wyoming bentonite dispersions VC Kelessidis, C Tsamantaki, P Dalamarinis Applied Clay Science 38 (1-2), 86-96, 2007 | 184 | 2007 |
| Experimental study and predictions of pressure losses of fluids modeled as Herschel–Bulkley in concentric and eccentric annuli in laminar, transitional and turbulent flows VC Kelessidis, P Dalamarinis, R Maglione Journal of Petroleum Science and Engineering 77 (3-4), 305-312, 2011 | 183 | 2011 |
| Flow patterns and minimum suspension velocity for efficient cuttings transport in horizontal and deviated wells in coiled-tubing drilling VC Kelessidis, GE Bandelis SPE Drilling & Completion 19 (04), 213-227, 2004 | 162 | 2004 |
| Development and Testing of Novel Drilling Fluids Using Fe2O3 and SiO2 Nanoparticles for Enhanced Drilling Operations Z Vryzas, O Mahmoud, HA Nasr-El-Din, VC Kelessidis International petroleum technology conference, D041S044R002, 2015 | 131 | 2015 |
| Yield stress of water–bentonite dispersions VC Kelessidis, R Maglione Colloids and Surfaces A: Physicochemical and Engineering Aspects 318 (1-3 …, 2008 | 116 | 2008 |
| Modeling rheological behavior of bentonite suspensions as Casson and Robertson–Stiff fluids using Newtonian and true shear rates in Couette viscometry VC Kelessidis, R Maglione Powder technology 168 (3), 134-147, 2006 | 115 | 2006 |
| Laminar, transitional and turbulent flow of Herschel–Bulkley fluids in concentric annulus K Founargiotakis, VC Kelessidis, R Maglione The canadian journal of chemical engineering 86 (4), 676-683, 2008 | 105 | 2008 |
| Effect of temperature on the rheological properties of neat aqueous Wyoming sodium bentonite dispersions Z Vryzas, VC Kelessidis, L Nalbantian, V Zaspalis, DI Gerogiorgis, ... Applied Clay Science 136, 26-36, 2017 | 101 | 2017 |
| Use of Carbopol 980 and carboxymethyl cellulose polymers as rheology modifiers of sodium-bentonite water dispersions VC Kelessidis, E Poulakakis, V Chatzistamou Applied clay science 54 (1), 63-69, 2011 | 95 | 2011 |
| Greek lignites as additives for controlling filtration properties of water–bentonite suspensions at high temperatures VC Kelessidis, C Tsamantaki, A Michalakis, GE Christidis, P Makri, ... Fuel 86 (7-8), 1112-1121, 2007 | 87 | 2007 |
| Measurements and prediction of terminal velocity of solid spheres falling through stagnant pseudoplastic liquids VC Kelessidis, G Mpandelis Powder Technology 147 (1-3), 117-125, 2004 | 80 | 2004 |
| Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud E Tannenbaum, T Burgess, V Kalessidis, A Orban, J Williams, K Zanker US Patent 4,887,464, 1989 | 72 | 1989 |
| An explicit equation for the terminal velocity of solid spheres falling in pseudoplastic liquids VC Kelessidis Chemical engineering science 59 (21), 4437-4447, 2004 | 71 | 2004 |
| Gelation of water–bentonite suspensions at high temperatures and rheological control with lignite addition VC Kelessidis, G Christidis, P Makri, V Hadjistamou, C Tsamantaki, ... Applied clay science 36 (4), 221-231, 2007 | 70 | 2007 |
| Motion of large gas bubbles through liquids in vertical concentric and eccentric annuli VC Kelessidis, AE Dukler International journal of multiphase flow 16 (3), 375-390, 1990 | 66 | 1990 |
| Using ferric oxide and silica nanoparticles to develop modified calcium bentonite drilling fluids O Mahmoud, HA Nasr-El-Din, Z Vryzas, VC Kelessidis SPE Drilling & Completion 33 (01), 12-26, 2018 | 65 | 2018 |
Zisis VryzasPetroleum Engineering, PhD在 lau.edu.lb 的电子邮件经过验证
