Field Definitions for ALASKA TDMS--DIRECTIONAL TEST 1
Field Definitions for ALASKA TDMS--DIRECTIONAL TEST 1
Click on hyperlinked Column Aliases to show possible values.
The Start Position Column is used for fixed dumps only. Click on the column alias for a valid list of values or codes associated with the element selected.
Start
Position |
Item
Length |
Column
Alias |
Definition |
| 1 |
12 |
Api Well Number |
API_WELL_NUMBER - A unique well identification number consisting of (from left to right) a two digit state code (or pseudo for Offshore), a three digit county code (or pseudo for Offshore), a five digit unique well code, and if applicable, a two digit sidetrack code as defined in API Bulletin D12A. |
| 13 |
9 |
Md |
MD -Unknown |
| 22 |
10 |
Deviation Angle |
DEVIATION_ANGLE -Unknown |
| 32 |
10 |
Azimuth |
AZIMUTH -Unknown |
| 42 |
9 |
Tvd |
TVD -Unknown |
| 51 |
18 |
Latitude |
This field is derived from the expression...
BV.SURF_LATITUDE + twdcomb.dy
...and consists of these database columns:
SURF_LATITUDE - The latitude value of a location in the borehole. A positive value denotes north. Angle subtended with equatorial plane by a perpendicular from a point on the surface of a spheriod.
dy - Unknown
|
| 69 |
18 |
Longitude |
This field is derived from the expression...
BV.SURF_LONGITUDE + twdcomb.dx
...and consists of these database columns:
SURF_LONGITUDE - The longitude value of a location in a borehole. A positive value denotes east. Angle measured about the spheroid axis from a local prime meridian to the meridian through the point.
dx - Unknown
|
| 87 |
9 |
Declination Correction |
DECLINATION_CORRECTION -Unknown |
| 96 |
9 |
Srvy Grid Convergence |
SRVY_GRID_CONVERGENCE -Unknown |
| 105 |
1 |
Srvy Point Type |
SRVY_POINT_TYPE -Unknown |
| 106 |
18 |
Last Update |
LAST_UPDATE -Date on which a database record was last updated. |
