Elevation reference point
rrc.elevation_code
The point the elevation was measured from. Depths in the same record are measured from this datum, so two wells are not comparable until you know which one each used.
5 of 5 codes
| Code | Means | Normalised | Valid |
|---|---|---|---|
GL |
Ground level | — | always |
DF |
Derrick floor | — | always |
KB |
Kelly bushing | — | always |
RT |
Rotary table | — | always |
GR |
Ground | — | always |
Columns that use these codes
| Dataset | Column | Meaning |
|---|---|---|
| Full Wellbore Database (ASCII) | elevation_code |
Which point the elevation was measured from. Depths are relative to it. |
| Full Wellbore Database (EBCDIC) | elevation_code |
Which point the elevation was measured from. Depths are relative to it. |
| Wellbore Form Dates | elevation_code |
Which point the elevation was measured from. Depths are relative to it. |
Where this mapping came from: RRC manual WBA091, COBOL 88-level values on WB-ELEVATION-CODE