One of the largest oil and gas producers in North Africa has decided to create a national E&P data bank that will hold the country's entire E&P activity data, including legacy digital and physical heritage. This national data bank is expected to not only archive data, but also provide a wide range of services to internal and external stakeholders, enabling the country to attract potential investors willing to bid based on the shared data. It will also improve the knowledge of the country's subsurface potential.
Since 1950, the country's E&P legacy data has been traditionally stored by different operators, applying their own processes and technologies. Data therefore resides on different sources—even within the same operator—including databases, interpretation platforms, file systems, magnetic storage, legacy formats, and media (paper, films, etc.). Most of the bulk data (seismic and well logs) were acquired in industry-recognized formats such as SEG-Y and LAS, but many are only available in a physical format not electronically. Transferring legacy data to the newly created structure is obviously challenging, especially when strict standardization (naming conventions, references, and units of measurement) are not common among operating companies. Furthermore, databases have, by nature, proprietary data structures, raising the difficulty of a database-to-database transfer. Digitalization and transcription would also be required for old media types.
This paper discusses tailored strategies to overcome these challenges and the lessons learned while moving the data from disparate sources. The presented strategies include scenarios such as transferring data from digital data sources and physical assets, while monitoring time and budget. Processes for quality filters and aligning data to standards before and after the transfer, recommendations on prioritization criteria to target the most valuable data source, and future plans are also discussed.
Number of Pages
Looking for more?
Some of the OnePetro partner societies have developed subject- specific wikis that may help.