In order to meet the special requirements for data involved in exploration and development research, as well as schematic design in the oil industry upstream business, techniques such as Multi data sources integration, Data classification and search, System service function customize, Data using authorized and safety control have been employed to realize the access and download of exploration and development data (e.g. different types of sources, multiple data class, mass data) under single system environment. This research breaks the access limitation of single or certain types of data to similar system at home and abroad.