Processing of Heavy Crude Oils - Challenges and Opportunities 2019
DOI: 10.5772/intechopen.82356
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Modeling Friction Losses in the Water-Assisted Pipeline Transportation of Heavy Oil

Abstract: In the lubricated pipe flow (LPF) of heavy oils, a water annulus acts as a lubricant and separates the viscous oil from the pipe wall. The steady state position of the annular water layer is in the high shear region. Significantly, lower pumping energy input is required than if the viscous oil was transported alone. An important challenge to the general application of LPF technology is the lack of a reliable model to predict frictional pressure losses. Although a number of models have been proposed to date, mo… Show more

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Cited by 4 publications
(2 citation statements)
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“…The magnitude of WAF friction losses is in between the similar energy consumptions for the single-phase transportations of heavy crude oil and water under comparable flow conditions [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. This observation is illustrated in Figure 1, where values of three equivalent friction coefficients (fwaf, fo, and fw) are plotted against two equivalent Reynolds numbers (Rew and Reo).…”
Section: Experimental Datamentioning
confidence: 97%
See 1 more Smart Citation
“…The magnitude of WAF friction losses is in between the similar energy consumptions for the single-phase transportations of heavy crude oil and water under comparable flow conditions [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. This observation is illustrated in Figure 1, where values of three equivalent friction coefficients (fwaf, fo, and fw) are plotted against two equivalent Reynolds numbers (Rew and Reo).…”
Section: Experimental Datamentioning
confidence: 97%
“…A fraction of these investigations addressed the difficult task of modeling the frictional pressure losses in different water-lubricated pipelines. Previously proposed models can be grouped into two categories [6,8,9]:…”
Section: Introductionmentioning
confidence: 99%