(Use Case Vocabulary) raw to validated log

Summary

Borehole logs can be:

• about multiple underground properties,
• have different validation status, Multiple logs can be assigned/attached to a Borehole

Terms

Concept/Feature: Log

Definition

"Log observed along the path of the borehole. Those logs are the result of an interpretation by a human being (driller, geologist) where specific features (lithostratigraphicunit, contacts, ... ) are recognized. They differ from observation of natural parameters acquired by sensing devices (ex : geophysics and imagery). Those are considered out of scope here and potential OutOfBandResult)" (adapted from EPOS conceptual model) A log is an observation made up of several LogResultElement.

Properties/Attributes

• same as OM_Observation : even the validation workflow (using resultQuality and relatedObservation)

Concept/Feature: LogResultElement

"The value of the log property at a depth interval along the log. (GWML2)"

Properties/Attributes

• from
• to
• value