12.9.17 RigUtilization

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

Rig Utilization Schema. Used to capture information related to the usage of a specific rig. For information unique to the rig itself, see

Table 12.9.17-1 Attributes
Name	Type	Notes
AirGap	LengthMeasure	Air gap from the rig floor to the ground or mean sea level, depending on the rig location.
Azimuthing	boolean	Are the thrusters azimuth? Values are "true" (or "1") and "false" (or "0").
BunksPerRoom	int	Number of bunks per room.
CapBulkCement	VolumeMeasure	Capacity of bulk cement.
CapBulkMud	VolumeMeasure	Bulk/dry mud storage capacity.
CapDrillWater	VolumeMeasure	Drill water capacity.
CapFuel	VolumeMeasure	Fuel capacity.
CapLiquidMud	VolumeMeasure	Liquid mud storage capacity.
CapPotableWater	VolumeMeasure	Potable water capacity.
CementUnit	String64	Name of the cement unit on the rig.
Datum	String64	Datum for location reference.
DescBrake	String64	Rig brake description.
DescRotSystem	String64	Description of rotating system.
EndHoleDepth	LengthMeasure	Measured depth of the wellbore when operations performed with this rig ended.
EndOperationTime	TimeStamp	End time of the operation in which the rig was used.
Flares	String64	Description of flare(s).
Gantry	String64	Description of the gantry.
Generator	String64	Description of the electrical power generating system.
HeaveMx	LengthMeasure	Maximum allowable heave.
MainEngine	String64	Power system.
MoorType	String64	Mooring type.
MotionCompensationMn	ForceMeasure	Minimum motion compensation.
MotionCompensationMx	ForceMeasure	Maximum motion compensation.
MotorDrawWorks	String64	Description of the draw works motor.
NumAnch	int	Number of anchors.
NumBlockLines	int	Number of block lines.
NumBunks	int	Number of beds available on the rig.
NumGuideTens	int	Number of guideline tensioners.
NumRiserTens	int	Number of riser tensioners.
NumThrusters	int	Number of thrusters.
PipeHandlingSystem	String64	Name of pipe-handling system.
PowerDrawWorks	PowerMeasure	Draw works horse power.
RatingBlock	ForceMeasure	Rating for the block.
RatingDrawWorks	ForceMeasure	Weight rating of the draw works.
RatingHkld	ForceMeasure	Maximum weight rating of the hook as configured for this rig usage.
RatingRotSystem	ForceMeasure	Work string rotational torque rating.
RatingSwivel	ForceMeasure	Maximum swivel rating.
RatingTqRotSys	MomentOfForceMeasure	Work string rotational torque rating.
RiserAngleLimit	PlaneAngleMeasure	Riser angle limit.
RotSizeOpening	LengthMeasure	Rotary size opening.
RotSystem	DriveType	Work string drive type.
ScrSystem	String64	Description of slow circulation rates (SCR) system.
SizeDrillLine	LengthMeasure	Drill line diameter.
StartHoleDepth	LengthMeasure	Measured depth of the wellbore when operations performed with this rig started.
StartOperationTime	TimeStamp	Start time of the operation in which the rig was used.
StrokeMotionCompensation	LengthMeasure	Length of motion compensation provided by equipment.
TypeDrawWorks	DrawWorksType	Draw works type.
TypeHook	String64	Type of hook installed for this rig usage.
TypeSwivel	String64	Type of swivel.
VarDeckLdMx	ForceMeasure	Variable deck load maximum (offshore rigs only).
VdlStorm	ForceMeasure	Variable deck load storm rating (offshore rigs only).
WtBlock	ForceMeasure	Weight of the block.

Table 12.9.17-2 Associations
Association	Notes
From: RigUtilization.BhaRun 0..*To: BhaRun Association
From: RigUtilization.Wellbore 1To: Wellbore Association
From: RigUtilization.Centrifuge 0..*To: Centrifuge Association	Mud cleaning centrifuge equipment for the rig.
From: RigUtilization. To: AbstractObject Generalization
From: RigUtilization.SurfaceEquipment 0..1To: SurfaceEquipment Association	Coiled tubing specific equipment configuration.
From: RigUtilization.Bop 0..1To: Bop Association	Blow out preventer description and components.
From: RigUtilization. To: DrawWorksType Dependency
From: RigUtilization.Pump 0..*To: MudPump Association	Drilling fluid (mud/cement) pumping units for the rig.
From: RigUtilization.Rig 1To: Rig Association
From: RigUtilization.Pit 0..*To: Pit Association	Pit equipment for the rig.
From: RigUtilization.Shaker 0..*To: Shaker Association
From: RigUtilization.Hydrocyclone 0..*To: Hydrocyclone Association	Mud cleaning hydrocyclone equipment for the rig.
From: RigUtilization. To: DriveType Dependency
From: RigUtilization.Degasser 0..*To: Degasser Association	Mud de-gasser equipment for the rig.
From: RigUtilizationTest. 1To: RigUtilization Association