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Overview for POSC Jay Hollingsworth (郝灵傑 ) – Principal Data Architect November 2nd, 2005 Schlumberger Private Standards in Seabed Data Modeling Seabed New generation SIS E&P standard data model Configurable databases generated from logical model Common data services in the database Is already deployed with some products © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private Common logical model for all scales Seabed rationale Technology update Clients require an information management solution (e.g., for Petrel) Managing cost of ownership – Resolving the legacy IM product issue – Resolving the acquisitions issue SLB real-time/operational solutions Open database without proprietary API © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private – Take advantage of new technologies - ORACLE 9/10, OOAD/OOM, etc… – Customer technology requirements – e.g., ESRI, LDAP, SQLServer – Replace aging infrastructure - AIX, ORACLE 7, 8 Seabed - why a new data model? Customers need the best characteristics of all models without the disadvantages – Epicentre – PPDM – OpenSpirit © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private – breadth – descriptions – content Data modeling approach Derive from the best Modified object modeling style – Leverages experience with Epicentre – UML 1.5 with relational extensions Consider mappability Apply a single standard for names, etc. © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private – Standards (POSC, PPDM, WITSML) – De facto standards (OpenSpirit, PIDD) – Common E&P applications Object vs. Relational Object Object Object Object Object Object world Class Class Class Class Class Seabed logical model UML Table Table Table Table Seabed physical schema © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private Object Data model benefits Modular by domains Include specific functions – Activity history (Sarbanes/Oxley-style) tracking – Uncertainty – Integration of documents Mappability © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private Modular by levels of detail © 2004 Schlumberger Information Solutions. All rights reserved. Schlumberger Private Questions?
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