Abstract: Because of the reason of peak point with slack flow downstream in elevation oil product pipeline, changes in pipe transporting volume and pressure at each station's inlet and outlet will be varied with changes of mixed section's location.Taking Gela Pipeline for example, analyzes operational condition in batch transportation on the elevation oil product pipeline, introduces an analysis method and hydraulic calculation procedure, and constitution of a mathematics model based on hydraulic calculation, puts forward a calculating procedure and analyzes calculating result.It points out that pipeline self-regulating and self-control capabilities shall be strengthened to meet the requirement of operational parameter and ensure pipeline to be running normally.