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POSC Special Interest Group Practical Well Log Standards (PWLS)

POSC Special Interest Group Practical Well Log Standards (PWLS). Norwegian Petroleum Directorate Tuesday June 15 2004 Eric Toogood, Project Manager Diskos. Diskos: The Norwegian National Database for Seismic, Well, and Production Data. reports. reports. reports. reports. reports. reports.

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POSC Special Interest Group Practical Well Log Standards (PWLS)

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  1. POSC Special Interest GroupPractical Well Log Standards (PWLS) Norwegian Petroleum Directorate Tuesday June 15 2004 Eric Toogood, Project Manager Diskos

  2. Diskos: The Norwegian National Database for Seismic, Well, and Production Data reports reports reports reports reports reports reports reports • Well Data is a key data type: • Objectives • Overall • To build and maintain a National Digital Library for well data from the Norwegian Continental Shelf - NCS • To serve the needs of the NPD and allow access to entitled oil companies • The Reporting Procedures • Reported data must be structured and named to be compatible with the National Database • The activity of reporting is aligned as closely as possible with the oil companies’ normal business needs • The Reporting Standards • These are set by the database structure. Now HIGHER than previous industry practice

  3. Well Data in Norway - History • The Diskos group of companies has had an ongoing focus on improving access to well data since the late 1990’s • There has been collaboration with POSC on this issue throughout this period • Work performed in Diskos Well Data Work Group in collaboration with: • Petrodata, Flare Consultants, POSC and now Schlumberger (Sinas) • Focus on the clean up and loading of historical (legacy) data • Establish streamlined procedures for handling well data throughout the workflow

  4. The Importance of PWLS in Norway • Quick and efficient loading procedures and efficient retrieval and transfer of well log data is essential to the Diskos initiative • In order to make the standard work we must have commitment from all the stakeholders • Authorities (NPD) • Data base operator (Schlumberger) • Operating Oil companies • + Licence Partners • Service Companies • POSC to develop and manage the standard

  5. Numbers of Curves Business Value Load and Index Index Only Ignore The Aim: Curve level filtering • Data Overload • “Business Value” is concentrated in a relatively small number of data curves - filtered views focus on high value data 50,000+ 'Visible' Acquisition Curves 500+ ‘Useful’ Curves

  6. PWLS Aims • Objectives: • define standards necessary for the creation of an organized, clearly labeled and accessible well-log database • Concentrate on the long-term data storage problems • Build on existing work and standards where possible • Concepts should be equally applicable to both 'Data' and 'Hard Copy'

  7. Business Benefits • Reduced costs or increased efficiency • significantly lower costs to maintain 'load lists' • less time wasted in identifying data for experts and non-experts • faster data preparation and acceptance for exchange/sale • trades, asset/licence swaps and disposals, mergers • Increased Effectiveness • clear data organisation and naming will improve use and maximise value-add potential • Creating value for Oil Companies and the Norwegian State • More efficient exploration and development • More time spent on “useful work” (rather than looking for data) • Improved decisions

  8. Transfer of Data and Operations • At the end of 2002 the contract for the management of the Diskos database was awarded to Schlumberger (2004-2008) • Through 2003 Diskos focused on the transfer of data and operations from Petrodata to Schlumberger • Diskos was not able to give attention to the PWLS initiative • Last PWLS meeting was held in October 2002 • PWLS is again a major priority in Norway • Aims: • - Improved access to data already stored in the Diskos database • - Streamline loading procedures for all new well data

  9. June 2004 meetings (Stavanger/Houston) • Renewed focus on the initiative • POSC must: • Identify the most pressing issues that need to be addressed from • The operator point of view (receipt and loading of data) • The service company point of view • - The end-user point of view (use of the data) • Decide on a list of “Actions” and time scale for deliverables • Coordinate other groups through similar meetings in USA (Houston) • Examine and discuss mechanisms for the maintenance and further development of the standard

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