n response to the growing need for standardized geospatial data management in the oil and gas industry, the International Association of Oil & Gas Producers (IOGP) has developed three comprehensive data models: the Seabed Survey Data Model (SSDM), the Land Survey Data Model (LSDM), and the Offshore Infrastructure Survey Data Model (OISDM). These models provide structured frameworks for consistent delivery, storage, exchange, visualization, and integration of survey data across onshore and offshore environments This document provides an overview of the three data models at the key points users focus on.