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Well Log Classification & Querying System

Explore how to classify and query well logs efficiently based on technology, attributes, and parameters. Enhance data organization and accessibility.

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Well Log Classification & Querying System

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  1. Well Log Classification Overview

  2. Well Log Classification and Cataloging PWLS Class Repository Well Log Data Repository Well Log Catalog Industry Data Company Data

  3. Activities Enabled by PWLS Meta Data • Classify well logs • Classify well log channels • Query for well logs • Query for well log channels

  4. Classify a Well Log / Channel / Parameter • well log  well_log_service_class • by interpretation of well log header • channel  company_channel_class • validate against dictionary • parameter  company parameter spec. • validate against dictionary

  5. Genericity of classification • original acquired data  primarily co. data • company channel class • well log service class • computed data  primarily industry data • well log curve class • well log tool class • processed data  combined approach

  6. Query by technology • goal: logs of a given technology • industry classification:well log tool class • company classification: well log service class • catalog: classification by well log service class • result: well log data

  7. Query by channel attributes • goal: channels of a given object, property, function, ... • industry classification:well log curve class • company classification: company channel class class • catalog: classification by company channel class • result: well log data

  8. Query by propery type • goal: channels of a given property type • industry classification: well log curve class • company classification: company channel class class • catalog: classification by company channel class • result: well log data

  9. Parameter-Augmented Query • goal: well logs, subject to parameteric constraints e. g. total_depth > 33000 ft • industry classification: param spec (property type) e. g. Bottom_Depth • company classification: company parm spec e. g. BOTTOM_DEPTH • catalog: parametric classification e. g. BOTTOM_DEPTH=44000(m) • result: well log data

  10. Existing Data Well Log Data Repository query engine Dictionary Well Log Catalog 15:MDL : xxxxxxxxx 150:CDL : xxxxxxxxx 280:SLD : xxxxxxxxx 440:LDS : xxxxxxxxx

  11. Queries Well Log Data Repository Where are my density logs? Dictionary Well Log Catalog 15:MDL : xxxxxxxxx 150:CDL : xxxxxxxxx 280:SLD : xxxxxxxxx 440:LDS : xxxxxxxxx

  12. Existing Data PWLS ... density ... Industry Data Well Log Data Repository Density : xxxxxxxxx Acoustic : xxxxxxxxx Neutron : xxxxxxxxx Dictionary query engine Well Log Catalog 15:MDL : xxxxxxxxx 150:CDL : xxxxxxxxx 280:SLD : xxxxxxxxx 440:LDS : xxxxxxxxx Company Data 15:MDL : xxxxxxxxx : Density 150:CDL : xxxxxxxxx : Density 280:SLD : xxxxxxxxx : Density 440:LDS : xxxxxxxxx : Density

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