Chinese Journal of Engineering / 2013 / Article / Tab 4

Research Article

Studying the Effect of Some Surfactants on Drag Reduction of Crude Oil Flow

Table 4

Maximum values of %Dr and %FI at 250 ppm concentration surfactant.

Additive typePipe diameter (m)Flow rate (m3/hr)Max. %Dr1Max. %Dr2Max. %FI1Max. %FI2

SDBS0.050812.0048.2954.4843.7354.17
SLS0.050812.0044.4647.3038.1942.23
SLES0.050812.0041.3943.0034.1636.23
SS0.050812.0033.3635.3425.0127.10
SDBS0.025412.0045.3142.5439.3635.63
SLS0.025412.0042.4840.5135.5533.06
SLES0.025412.0038.4036.9830.5428.91
SS0.025412.0032.0028.8023.6320.54
SDBS0.01916.0031.5029.8623.1321.54
SLS0.01916.0027.4026.5819.2618.52
SLES0.01916.0025.7024.8717.7517.03
SS0.01916.0021.3720.0014.1413.06

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