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A Case Based System for Oil and Gas Well Design with Risk Assessment

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Abstract

A case base system for a complex problem like oil field design needs to be richer than the usual case based reasoning system. Genesis, the system described in this paper contains large heterogeneous cases with metalevel knowledge. A multi-level indexing scheme with both preallocated and dynamically computed indexing capability has been implemented. A user interface allows dynamic creation of similarity measures based on modelling of the user’s intentions. Both user aiding and problem solution facilities are supported, a novel feature is that risk estimates are also provided. Performance testing indicates that the case base produces on average, better predictions for new well developments than company experts. Early versions of the system have been deployed into oil companies in 6 countries around the world and research is continuing on refining the system in response to industry feedback.

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Authors and Affiliations

  1. Intology Pty Ltd, 1 Hall St., Lyneham ACT, 2602, Australia

    Simon Kravis

  2. Irrgang Reservoir Management, 85A Bunarba Rd, Gymea, Sydney, NSW 2227, Australia

    Rosemary Irrgang

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  1. Simon Kravis
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  2. Rosemary Irrgang
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Correspondence to Simon Kravis.

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Kravis, S., Irrgang, R. A Case Based System for Oil and Gas Well Design with Risk Assessment. Appl Intell 23, 39–53 (2005). https://doi.org/10.1007/s10489-005-2371-7

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  • DOI: https://doi.org/10.1007/s10489-005-2371-7