Leakage oil analysis study was made following the routine procedures, and dynamic UOP K factor concept has been introduced hoping to evaluate the sample better. Oil analysis example is presented by way of ASTM distillation for boiling and specific gravity curves to determine K factor while x, y, z, and θ are fixed. The sample was taken as crude oil and predicted hydrogen content which later was checked experimentally. Impurity analysis was conducted to make some judgements on possible source. Known local petroleum product mixing tests were made along with the locally available waste industrial oils to compare with the sample. The boiling point curve of this sample was also compared with those of the crude oil analyses of the neighboring nations. In order to lessen the sample quantity requirements, GC analysis was made, and a bridge is established between ASTM analysis. When oil leaks through an underground structure, the oil characteristics may not remain constant. "K"=F （x, y, z, θ）. This dynamic and distributed effects present serious difficulties in identifying the true characteristics of the source oil. Some general basic sudies were undertaken on the dynamic K, and it is considered that the factors such as selective oil solubility in water, selective adsorption on solids, would be significant which might contribute toward the oil characteristic change as a function of 3-D location and time. The ultimate objective of such studies would be to predict and locate the oil source and its characteristics from the ground level steady state leakage oil at different localities.