A common Web GIS framework was designed for the long transmission oil & gas pipeline. A digital pipeline Information Management Systems (IMS) was developed on the ArcGIS platform, which was based on VB.NET, Javascript, Microsoft SQL Server and computer aided analyze technology. In the case of licensed, the functions were realized in the designed system, which concluded sharing space information, map zooming in and out, map moving, diagram layer control, visiting viewdata, searching information, special subject analysis. The systems can serve the whole management and improve work efficiency in the long transmission oil & gas pipeline, and it is one of the forcefully assistant tools in managing pipeline department.