Entity well_log_trace

• An array of property data which describe the characteristics of equipment or materials in or around the borehole of a well.

Attribute                                 Flags   Data Type

From data_trace:
   grid_geometry_behavior                 I       grid_geometry_behavior

                                          This is the description of grid geometry for which
                                          this set of grid element properties are defined.

   data_collection                        IV      set[0 .. N] of (data_collection)

                                          Indicates the data collections that include this
                                          instance of E and P data. 

   graphical_element                      IV      set[0 .. N] of (graphical_element)

                                          Specifies one or more graphical elements which
                                          are depicting this data item. 

   datum_for_ranking                      IV      set[0 .. N] of (object_ranking)

                                          Indicates that an object is being used as a basis
                                          for comparison with another object. 

   object_of_ranking                      IV      set[0 .. N] of (object_ranking)

                                          Indicates that an object is being classified in
                                          a rank order based on its characteristics. 

   identifier                             I       ndt_name

                                          The identifying label assigned to a data trace.

   trace_value                            IN      ndt_trace_value

                                          A multidimensional array of data containing one
                                          or more characteristics which can be indexed in
                                          various ways. 


ref_naming_system                                 ref_naming_system

                                          The name space in which the identifier is specified
                                          as unique. 

ref_well_log_trace                        U       ref_well_log_trace

                                          The type of a well log trace, such as Gamma Ray.

wireline_logging_pass                     U       wireline_logging_pass

                                          Indicates the activity which is responsible for
                                          measurement of the well log trace values. This
                                          entity is used for wireline logging. 

created_by                                        log_trace_analysis

                                          Indicates the activity responsible for the
                                          determination of the trace data. 

digitize_document                                 digitize_document

                                          Indicates the activity which is responsible for
                                          producing the data in its digital form. 

borehole_generation_run                   U       borehole_generation_run

                                          Indicates the activity which determined the values
                                          of the well log trace. This entity would be used
                                          for measurement while drilling. 

production_logging                        U       production_logging

                                          Specifies the activity which recorded the trace
                                          data. 

position_in_wellbore                              set[0 .. N] of (position_in_wellbore)

                                          Specifies the spatial coordinates associated with
                                          this well log trace. 

wellbore                                  U       wellbore

                                          Indicates a wellbore which is evaluated by the
                                          well log trace. 

well_log                                  V       set[0 .. N] of (well_log)

                                          Indicates well logs which display this well log
                                          trace. 

log_trace_alias                           V       set[0 .. N] of (log_trace_alias)

                                          Indicates various identifiers of this well log
                                          trace. 

log_trace_analysis                        V       set[0 .. N] of (log_trace_analysis)

                                          Indicates an activity which utilized this well
                                          log trace. 

End of entity well_log_trace

M - mandatory, U - unique, I - inherited, V - inverse, N - named type