ENH: Set NET equal BULK if missing in inplace_volumes (#948)

src/fmu/dataio/_products/inplace_volumes.py

@@ -32,7 +32,7 @@ class InplaceVolumesResultRow(BaseModel):
     LICENSE: Optional[str] = Field(default=None)
 
     BULK: float = Field(ge=0.0)
-    NET: Optional[float] = Field(default=None, ge=0.0)
+    NET: float = Field(ge=0.0)
     PORV: float = Field(ge=0.0)
     HCPV: Optional[float] = Field(default=None, ge=0.0)
     STOIIP: Optional[float] = Field(default=None, ge=0.0)

src/fmu/dataio/export/_enums.py

@@ -57,6 +57,7 @@ def required_value_columns() -> list[str]:
         """Returns a list of the value columns."""
         return [
             InplaceVolumes.VolumetricColumns.BULK.value,
+            InplaceVolumes.VolumetricColumns.NET.value,
             InplaceVolumes.VolumetricColumns.PORV.value,
             InplaceVolumes.VolumetricColumns.HCPV.value,
         ]

src/fmu/dataio/export/rms/inplace_volumes.py

@@ -175,6 +175,17 @@ def _add_missing_columns_to_table(table: pd.DataFrame) -> pd.DataFrame:
                 table[col] = np.nan
         return table
 
+    @staticmethod
+    def _set_net_equal_to_bulk_if_missing_in_table(table: pd.DataFrame) -> pd.DataFrame:
+        """
+        Add a NET column to the table equal to the BULK column if NET is missing,
+        since the absence implies a net-to-gross ratio of 1.
+        """
+        if _VolumetricColumns.NET.value not in table:
+            _logger.debug("NET column missing, setting NET equal BULK...")
+            table[_VolumetricColumns.NET.value] = table[_VolumetricColumns.BULK.value]
+        return table
+
     @staticmethod
     def _set_table_column_order(table: pd.DataFrame) -> pd.DataFrame:
         """Set the column order in the table."""
@@ -230,6 +241,7 @@ def _convert_table_from_legacy_to_standard_format(
         ]
         table = self._compute_water_zone_volumes_from_totals(table)
         table = self._transform_and_add_fluid_column_to_table(table, table_index)
+        table = self._set_net_equal_to_bulk_if_missing_in_table(table)
         table = self._add_missing_columns_to_table(table)
         return self._set_table_column_order(table)