Vassilios Kelessidis
Vassilios Kelessidis
Consultant, Drilling & Petroleum Engineering
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
2402006
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
1681989
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
1282011
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
1202007
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
1182004
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
962016
Nano-based drilling fluids: A review
Z Vryzas, VC Kelessidis
Energies 10 (4), 540, 2017
912017
Yield stress of water–bentonite dispersions
VC Kelessidis, R Maglione
Colloids and Surfaces A: Physicochemical and Engineering Aspects 318 (1-3 …, 2008
872008
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
802006
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
782008
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, 2015
732015
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
632007
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
622011
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
621989
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
572004
An explicit equation for the terminal velocity of solid spheres falling in pseudoplastic liquids
VC Kelessidis
Chemical engineering science 59 (21), 4437-4447, 2004
562004
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, 2003
542003
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
532017
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
522007
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
481990
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