12.17.17 Well

Topic Version	1	Published	11/11/2016	Topic Change History
For Standard	WITSML v2.0
Type:	Class		Stereotype:	«XSDcomplexType»

Used to capture the general information about a well. Sometimes called a "well header". Contains all information that is the same for all

Table 12.17.17-1 Attributes
Name	Type	Notes
Block	String64	Block name in which the well is located.
Country	String64	Country in which the well is located.
County	String64	County in which the well is located.
DirectionWell	WellDirection	POSC well direction. The direction of the flow of the fluids in a well facility (generally, injected or produced, or some combination).
District	String64	Geo-political district name.
DTimLicense	TimeStamp	Date and time the license was issued.
DTimPa	TimeStamp	Date and time at which the well was plugged and abandoned.
DTimSpud	TimeStamp	Date and time at which the well was spudded.
Field	String64	Name of the field in which the well is located.
FluidWell	WellFluid	POSC well fluid. The type of fluid being produced from or injected into a well facility.
GeographicLocationWGS84	GeodeticWellLocation	The latitude (in coordinate1) and longitude (in coordinate2) of the well location in the WGS84 coordinate system (equivalent to EPSG:4326). Units are in decimal degrees. Coordinate 1 and 2 refer to the ProjectedWellLocation.
NameLegal	String64	Legal name of the well.
NumAPI	String64	American Petroleum Institute well number.
NumGovt	String64	Government assigned well number.
NumLicense	String64	License number of the well.
Operator	String64	Operator company name.
OperatorDiv	String64	Division of the operator company.
OriginalOperator	String64	Original operator of the well. This may be different than the current operator.
PcInterest	DimensionlessMeasure	Interest for operator. Commonly in percent.
PurposeWell	WellPurpose	POSC well purpose.
Region	String64	Geo-political region in which the well is located.
State	String64	State or province in which the well is located.
StatusWell	WellStatus	POSC well status.
TimeZone	TimeZone	The time zone in which the well is located. It is the deviation in hours and minutes from UTC. This should be the normal time zone at the well and not a seasonally-adjusted value, such as daylight savings time.
WaterDepth	LengthMeasure	Depth of water (not land rigs).

Table 12.17.17-2 Associations
Association	Notes
From: Well. To: AbstractObject Generalization
From: Well. To: WellPurpose Dependency
From: Well.WellheadElevation 0..1To: WellElevationCoord Association	Elevation of wellhead relative to a wellDatum.
From: Well.GroundElevation 0..1To: WellElevationCoord Association	Elevation of ground level (land rigs).
From: Well. To: WellDirection Dependency
From: Well.WellLocation 0..*To: AbstractWellLocation Association	Additional 2D coordinates of the well surface point in one or more coordinate reference systems. This is where the well crosses ground level on land and crosses the platform offshore.
From: Well.ReferencePoint 0..*To: ReferencePoint Association	Defines a reference point within the context of the well.
From: Well. To: WellFluid Dependency
From: Well.WellPublicLandSurveySystemLocation 0..1To: PublicLandSurveySystem Association	Township, section, range, quarter, and footage calls for USA Public Land Survey System.
From: Well.WellDatum 0..*To: WellDatum Association
From: Well. To: WellStatus Dependency
From: WellCompletion.Well 1..1To: Well Association
From: DownholeComponent.Well 1..1To: Well Association
From: Wellbore.Well 1..1To: Well Association