Research Article
Studying the Effect of Some Surfactants on Drag Reduction of Crude Oil Flow
Table 1
Specification of surfactants.
| Surfactants | Scientific name | Chemical structure | Molecular weight |
| SDBS | Sodium dodecyl-benzene sulfonate | C12H25C6H4SO3–Na | 348 | SLS | Sodium lauryl sulfate | C12H26O4S–Na | 289 | SLES | Sodium laureth Sulfate | CH3(CH2)10CH2 (OCH2CH2)3OSO3–Na | 372 | SS | Sodium stearate | C17H35COO–Na | 306 |
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