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In oil field enterprise, the spatial information including the geographic information, property data of spatial object and digital cartography are stored and managed dividedly. A integrated data model is put forward to express and manage spatial information. Epicentre, a integrated standard data model, is introduced at first. Based on Epicentre model, the architecture of integrated spatial data model is presented. Spatial data and other data from petroleum exploration and production can be mapped by space time operation. Document specification can describe how a digital cartography document from GIS is composed from spatial data and other data in data center.