Abstract: The scheme in oil transportation in Dongying-Huangdao Parallel Oil Pipeline varies in daily, decade and month due to the limitation of imported unloaded oil and oil landed date, which results in the mismatch between the 5 pumps in Huangdao Initial Station and operation scheme of the pipeline. Therefore, a scientific rematching for the pumps in Huangdao tank farm is made. An economical comparison on the operational parameters of the pumps before and after matching is done. The energy saving target can be reached after the new optimal operation scheme is put into use.