Abstract
The study was conducted in Palouge Field in Malute Basin Block 3&7 located in the Republic of South Sudan This paper discusses problems related to oil emulsions that have been encountered in Palouge Field. Oil samples collected from 17 Oil Gathering Manifold (OGM), viscosities range from 106cP to over 8159cP (@ 50ºCand API gravities ranged from 13 to 25. Emulsion from 2 up to 33and water cut form (7% water cut to over 77%), Pour Point 30 to 420 .These properties provide an interesting case of operational problems in oil water separation.The main causes of emulsion formation in the investigated fields were water cut, temperature, shear, Pour Point, demulsifier dosage and mixing different crudes. The results show a strong correlation ofPour Point (Paraffinic content which lead to stabilized emulsion)in the crude oil with the water-oil separation index or emulsion tightness. Recommendations are made for reducing and optimizing demulsifier dosage by adding chemical additives,and further comprehensive study should be done to determine the compounds which lead to stabilized emulsion for example Naphthenic compound and Asphaltenic.
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