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Vassilios Kelessidis
Vassilios Kelessidis
Consultant, Drilling, Petroleum Engineering & Fluid Mechanics
Verified email at mred.tuc.gr
Title
Cited by
Cited by
Year
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
3362006
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
2201989
Nano-based drilling fluids: A review
Z Vryzas, VC Kelessidis
Energies 10 (4), 540, 2017
2072017
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
1812011
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
1802016
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
1792007
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
1602004
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
1252015
Yield stress of water–bentonite dispersions
VC Kelessidis, R Maglione
Colloids and Surfaces A: Physicochemical and Engineering Aspects 318 (1-3 …, 2008
1142008
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
1122006
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
1062008
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
962017
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
952011
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
842007
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
782004
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
721989
An explicit equation for the terminal velocity of solid spheres falling in pseudoplastic liquids
VC Kelessidis
Chemical engineering science 59 (21), 4437-4447, 2004
682004
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
672007
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
661990
Real-time decision-making for value creation while drilling
L Saputelli, M Economides, M Nikolaou, V Kelessidis
SPE/IADC Middle East Drilling Technology Conference and Exhibition, SPE-85314-MS, 2003
642003
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