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Field Definitions for 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