12.4.19 DrillReportSurveyStation

Trajectory station information for the drill report period.

Table 12.4.19-1 Attributes
Name	Type	Notes
Azi	PlaneAngleMeasure	Hole azimuth, corrected to a well's azimuth reference.
Dls	AnglePerLengthMeasure	Dogleg severity.
DTim	TimeStamp	The date at which the directional survey took place.
ExtensionNameValue	ExtensionNameValue	Extensions to the schema based on a name-value construct.
Incl	PlaneAngleMeasure	Hole inclination, measured from vertical.
Md	MeasuredDepthCoord	Measured depth of measurement from the drill datum.
Tvd	WellVerticalDepthCoord	True vertical depth of the measurements.
uid	String64	Unique identifier for this instance of DrillReportSurveyStation.
VertSect	LengthMeasure	Distance along the vertical section of an azimuth plane.

Table 12.4.19-2 Associations
Association	Notes
From: DrillReportSurveyStation.Location 0..*To: AbstractWellLocation Association	The 2D coordinates of the item. Note that within the context of trajectory, the "original" coordinates are inherently local coordinates as defined above.
From: DrillReport.SurveyStation 0..*To: DrillReportSurveyStation Association	A survey station recorded during the report interval.