A Comparative Study On The Hydrodynamics
Of Liquid–liquid Hydrocyclonic Separation
Author(s)
H. H. Al-Kayiem, H. Osei, K. Y. Yin & F. M. Hashim
Abstract
The productivity of wells with a higher water–oil ratio can be improved by the
use of a liquid–liquid hydrocyclone separator in the downhole. This system
presents an excellent water flooding technique as the water separated downhole
is pumped back into the same formation. The produced fluid undergoes a lot of
orientations and motions from the time it enters the hydrocyclone until it exits
the outlets. This paper helps bring to light the hydrodynamics of the liquid–liquid
hydrocyclones, explaining how the fluid behaves once it is within the
hydrocyclone, in order to achieve efficient separation. Analytical solutions were
used to analyse some of the important flow pattern phenomenon within the
liquid–liquid hydrocyclone. The fluid properties considered in this work are
similar to that of the Malaysian Bayan offshore field. The results showed that the
flow reversal radius was paramount in determining the separation efficiency.
There were two existing swirling zones. In the inner zone the light fluid fraction
is spiralling upwards, while in the outer zone the heavier fluid fraction is
spiralling downward against the walls of the hydrocyclone.
Keywords: hydrocyclone, oil/water separation, downhole separation,
liquid–liquid separator.
Keywords
hydrocyclone, oil/water separation, downhole separation,liquid–liquid separator.
Related Book
Other papers in this volume
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