| MD_VD |
Depth: MD = measured depth, VD = vertical depth. |
| LIST_NAME |
Segment name used in reports. |
| AREA |
Area code for the lithostratigraphic realm. |
| CHECK_SHOT_SURVEY |
Check shot survey used for two way times. |
| CALIBRATED_SONIC_LOG |
Calibrated sonic log used for two way times. |
| TWT_REF_LEVEL |
Reference level for two way times related to Main Sea Level. |
| COMMENTS |
Comments to the lithostratigraphy in the well. |
| CREATE_USER_ID |
Id for the user who created this record. |
| CREATE_DATE |
Date and time this record was created. |
| UPDATE_USER_ID |
Id for the user who last updated this record. |
| UPDATE_DATE |
Date and time this record was last updated. |
| SEGMENT_ID |
Unique identifier for one segment. |
| LITWELL_ID |
Unique identifier for the lithology of a well. |
| NOMENCLATURE_ID |
Unique identifier for a country code. |