International Geologiical Congress - Oslo 2008

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IEI-06 Data models and architectures

 

Development of an effective database system for managing petrophysical data in the oil and gas industry

 

Yosoon Choi, Seoul National Univeristy (Republic of Korea)
Jang Won Suh, Seoul National Univeristy (Republic of Korea)
Hyeong-Dong Park, Seoul National Univeristy (Republic of Korea)
Jonggeun Choe, Seoul National Univeristy (Republic of Korea)
 

 

This study presents a prototype of database system for managing petrophysical data derived from direct measurements and observations as well as indirect measurements. The characteristics of petrophysical data from drilling cores were analyzed and categorized to define the schema of database system such as data fields in tables, the relationships between those tables and key index fields to create the relationships. In case of indirect petrophysical data, various algorithms of computerized logging tools were reviewed to identify the exact input and output data that should be managed in the database and to store references to the methodologies to interpret the indirect records such as acoustic and resistivity measurements. Because the result of interpretation can be varied according to users, the database system was also designed to maintain the interpreting log data using metadata catalogs. Finally, a prototype of effective database system that can be used in the oil and gas industry was suggested in this study.

 

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