0705 Information on logs

We have some difficulties to represent the information we need in the well logging part of the model. Here are the main problems : - We would like to have types and sub-types of well-log-traces (the only possibility is to have one ref_well_log_trace and no way to group together well-log-traces of the same kind) - It is not possible to store if a well_log_trace has been corrected or not. The only possibility is through the ref_well_log_process_state, which is attached to the entity "well_log". The process_state should be attached to the entity "well_log_trace". - We have the same kind of problem with the ref_sonde_log which defines the tool used for recording the log. (in fact the logging trip) We would like to record the characteristics of the tool used for a specific well_log_trace (kind of the tool, calibration and so on). - Mud information It is not easy to have the information about the mud used during the recording of the well_log_trace (mud_type, density, resistivity etc) What is the POSC recommended solution ?

Consolidated changes: (0826)

Add well log trace organization functionality.

In Epicentre there is a common structure to allow multiple classification of objects and activities. This design is applied to well log traces to construct hierarchical families of trace classes. For example, standard trace classes would allow common grouping of "bulk density traces" via vendor code mnemonics that are sorted into appropriate clusters.

Added objects:
well_log_trace_class (Entity)
well_log_trace_class_alias (Entity)
well_log_trace_class_classification (Entity)
well_log_trace_classification (Entity)
data_trace.well_log_trace_classification (Attribute)
classification_system.well_log_trace_class_alias (Attribute)

Delete ref well log trace

Characterizations of well log trace made with ref well log trace will be replaced by classifications made with well log trace class.

Deleted objects:
ref_well_log_trace (Entity)
synthetic_log_trace.ref_well_log_trace (Attribute)
well_log_trace.ref_well_log_trace (Attribute)

Modify diagrams

Modify diagrams HL6 and Wl1 to reflect the new entities and relationships.

Modified objects:
HL6:_Class_Aliasing (Diagram)
WL1:_Well_Logs_and_Traces (Diagram)