| Field Identifier | Field Name | Data Type | Unused Setting |
| COMPANY | Company | CHAR(40) | "" |
| FIELD | Field | CHAR(40) | "" |
| GRID_TYPE | Grid type (DLS, BCNTS, or UWI) | CHAR(5) | "DLS" |
| LE | Location exception | CHAR(3) | |
| ES | Event sequence | CHAR(3) | |
| SGRID | Surface grid | CHAR(40) | |
| SLAT | Surface latitude (e.g. 51.258913) | DOUBLE | |
| SLNG | Surface longitude (e.g. 112.56312) | DOUBLE | |
| DGRID | Downhole grid | CHAR(40) | "" |
| DLAT | Downhole latitude | DOUBLE | NaN |
| DLNG | Downhole longitude | DOUBLE | NaN |
| LOC_TYPE | Location type | CHAR(40) | "" |
| LOC_QUAL | Location type qualifier | CHAR(40) | "" |
| LOC_NAME | Location name | CHAR(80) | "" |
| COMMENT | Comment | VARCHAR(4000) | "" |
| ENTRY | Entry direction (North, East, West South) | CHAR(5) | "" |
| ACCESS | Access level (0=private,1= public,2= semi-private) | DECIMAL(1) | 0 |
| ELEV | Elevation (m) | DOUBLE | NaN |
| PRESSURE | Pressure (kPa) | DOUBLE | NaN |
| ALAT | Actual latitude | DOUBLE | NaN |
| ALNG | Actual longitude | DOUBLE | NaN |
| AELEV | Actual elevation | DOUBLE | NaN |
| GLAT | GPS latitude | DOUBLE | NaN |
| GLNG | GPS longitude | DOUBLE | NaN |
| GELEV | GPS elevation | DOUBLE | NaN |
| USER_ID | User ID | CHAR(80) | "" |
| URL | List of URLs | VARCHAR(400) | "" |