This paper focused on the asphaltene precipitation problem under dynamic induced by carbon dioxide injection. In
spite of being Co2 one of common used methods in oil reservoir, it may change the crude oil properties and increase the chances
of having asphaltene precipitation. The existence of asphaltene in precipitation shape, flocculation or deposition may change the
crude oil composition and reduce the oil recovery. The effect of the asphaltene on reservoir characteristics has the major
concern and the damage that occurred by asphaltene can cause formation sever. Thus, this research makes effort to achieve and
understand the asphaltene precipitation phenomena created by carbon dioxide injection. Therefore, a light crude oil sample was
selected since the light oils are favour to have asphaltene precipitation issue. The presence of carbon dioxide under various
injections flow rates are investigated among this research. The results indicated that the precipitated of asphltenehas significant
effectas the pore v
