Abstract:
Sudanese crude oils are fromthesimplesttypesofcrudes due to their low sulfur content absence of mercury and vanadium from their composition. However the physicochemical evaluation ofDar Blend undertaken by this study reveled that some constituents of the blend studied have some negative impact on the overall evaluation of the crude blend. The result of the physicochemical analysis of samples collected from Petrodar Oil fields showed that theDar Blend is a heavy type crude, having API23.24 and of low Asephltenecontent (0.12%). However the Total Acid Number (TAN) was4.47% a value regarded as quite high and of adverse impact on the quality of the Dar blend some suggestion were propose to remedy the high value of TAN in order to improve the overall evaluation status of the crude investigated.
