Droplet Formation Through Centrifugal Pumps for Oil-in-Water Dispersions
- Rosanel Morales (Baker Petrolite) | Eduardo Pereyra (University of Tulsa) | Shoubo Wang (University of Tulsa) | Ovadia Shoham (University of Tulsa)
- Document ID
- Society of Petroleum Engineers
- SPE Journal
- Publication Date
- December 2012
- Document Type
- Journal Paper
- 172 - 178
- 2012. Society of Petroleum Engineers
- 5.3.2 Multi-phase flow
- 4 in the last 30 days
- 447 since 2007
- Show more detail
- View rights & permissions
|SPE Member Price:||USD 10.00|
|SPE Non-Member Price:||USD 30.00|
Droplet formation in oil/water flow through a centrifugal pump has been studied, experimentally and theoretically, for the first time. Droplet-size distribution at the pump outlet has been measured for water-continuous flow as a function of pump speed, mixture-flow rate, and water cut. The measured droplet-size distribution strongly depends on the pump speed: the higher the pump speed, the smaller the droplet size. Negligible effects of mixture flow rate, water cut, and inlet droplet-size distribution have been observed. Turbulent breakup has been identified as the main mechanism for droplet formation. A mechanistic model is developed for the prediction of droplet-size distribution in a centrifugal pump, showing a fair agreement with the acquired experimental data.
|File Size||429 KB||Number of Pages||7|
Angeli, P. and Hewitt, G. 2000. Drop Size Distributions in HorizontalOil-Water Dispersed Flows. Chem. Eng. Sci. 55 (16):3133-3143. http://dx.doi.org/10.1016/S0009-2509(99)00585-0.
Berkman, P. and Calabrese, R. 1988. Dispersion of Viscous Liquids byTurbulent Flow in a Static Mixer. AIChE J. 34 (4): 602-609.http://dx.doi.org/10.1002/aic.690340409.
Brown, W. and Wohletz, K. 1995. Derivation of the Weibull Distribution Basedon Physical Principles and its Connection to the Rosin- Rammler and LogormalDistribution. J. Appl. Phys. 78 (4): 2758-2763. http://dx.doi.org/10.1063/1.360073.
Chang, K. 1990. Analysis of Transient Drop Size Distributions in DiluteAgitated Liquid-Liquid Systems. PhD dissertation, University of Maryland,College Park, Maryland.
Calabrese, R.V., Chang, T.P.K., and Dang, P.T. 1986. Drop Breakup inTurbulent Stirred Tank Contactors. Part I: Effect of Dispersed Phase Viscosity.AIChE J. 32 (4): 657-666. http://dx.doi.org/10.1002/aic.690320416.
Davis, J.T. 1985. Drop Sizes of Emulsions Related to Turbulent EnergyDissipation Rates. Chem. Eng. Sci. 40 (5): 839-842. http://dx.doi.org/10.1016/0009-2509(85)85036-3.
Galinat, S. 2005. Etude Experimentale De La Rupture De Gouttes Dans UnEcoulement Turbulent. PhD dissertation, National Polytechnic Institute ofToulouse (INPT), Toulouse, France.
Gamboa, J. 2009. Prediction of the Transition in Two-Phase Performance of anElectrical Submersible Pump. PhD dissertation, The University of Tulsa, Tulsa,Oklahoma.
Gestroni, G. 1982. Handbook Multiphase Systems, New York:Hemisphere-McGraw Hill.
Hinze, J. 1955. Fundamentals of the Hydrodynamic Mechanism of Splitting inDispersion Processes. AIChE J. 1: 289-295. http://dx.doi.org/10.1002/aic.690010303.
Ibrahim, S. and Maloka, I. 2006. Emulsification of Secondary Oil/WaterDispersions Using a Centrifugal Pump. Pet. Sci. Technol. 24: 513-522. http://dx.doi.org/10.1081/LFT-200041121.
Khalil, M., Kassab, S., Ismail, A. and Elazab, I. 2006. Influence of VariousParameters on the Characteristics of Stable and Unstable Oil-in-Water Emulsion.8th International Conference of Fluid Dynamics and Propulsion. In Proceedingsof the ASME 8th International Conference of Fluid Dynamics and Propulsion,14-17 December 2006, Sharm El-Sheikh, Sinai, Egypt.
Khalil, M., Kassab, S., Ismail, A. and Elazab, I. 2008. Centrifugal PumpPerformance Under Stable and Unstable Oil-Water Emulsions Flow. Paper IWTC12presented at the Twelfth International Water Technology Conference, Alexandria,Egypt, 27-30 March.
Kolmogorov, A. 1949. On the Disintegration of Drops in Turbulent Flow.Doklady Akad. Nauk . 66: 825-828.
Morales, R. 2009. Fluid Shear Effects of Centrifugal Pump on Oil-Water Flow.MS. Thesis, The University of Tulsa, Tulsa, Oklahoma.
Murakami, M. and Minemura, K. 1974. Effects of Air on the Performance ofCentrifugal Pumps (1st Report, Performance and Flow Conditions). BullJSME 17 (110): 1047-1055. http://dx.doi.org/10.1299/jsme1958.17.1047.
Padron. G, 2005. Effect of Surfactants on Drop Size Distribution in a Batch,Rotor-Stator Mixer. PhD dissertation, University of Maryland, College Park,Maryland.
Pereyra, E. 2011.Modeling of Integrated Compact Multiphase Separation System(CMSS). PhD dissertation, The University of Tulsa, Tulsa, Oklahoma.
Razzaque, M.M., Afacan, A., Liu et al. 2003. Bubble Size in CoalescenceDominant Regime of Turbulent Air-Water Flow Through Horizontal Pipes. Int.J. Multiphase Flow 29 (9): 1451-1471. http://dx.doi.org/10.1016/S0301-9322(03)00123-X.
Solano, E. 2009. Viscous Effects on the Performance of ElectricalSubmersible Pumps (ESPs). MS thesis, The University of Tulsa, Tulsa,Oklahoma.
TUALP (2006). Steady State Fully Developed Single Phase Flow of NewtonianFluids in Pumps-A Dimensionless Analysis. Report TR-25-October 2006. The TulsaUniversity Artificial Lift Project, Tulsa, Oklahoma (October 2006).