12.3.2 AbstractCementStage

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

Defines the information that is common to the cement job stage design and reports.

Table 12.3.2-1 Attributes
Name	Type	Notes
AnnularFlowAfter	boolean	Annular flow present after the stage was completed? Values are "true" (or "1") and "false" (or "0").
BotPlug	boolean	Bottom plug used? Values are "true" (or "1") and "false" (or "0").
BotPlugNumber	int	Amount of bottom plug used.
DiaTailPipe	LengthMeasure	Tail pipe size (diameter).
DisplacementFluidRefId	UuidString	Reference to displacement fluid properties.
ETimPresHeld	TimeMeasure	Time the pressure was held.
ExtensionNameValue	ExtensionNameValue	Extensions to the schema based on a name-value construct.
FlowrateMudCirc	VolumePerTimeMeasure	Rate the mud was circulated during the stage.
Gel10Min	PressureMeasure	Gels-10Min (in hole at start of job).
Gel10Sec	PressureMeasure	Gels-10Sec (in hole at start of job).
MdCircOut	MeasuredDepthCoord	Circulate out measured depth.
MdCoilTbg	MeasuredDepthCoord	Measured depth of coil tubing (multi-stage cement job).
MdString	MeasuredDepthCoord	Measured depth of string (multi-stage cement job).
MdTool	MeasuredDepthCoord	Measured depth of the tool (multi-stage cement job).
MixMethod	String64	Mix method.
NumStage	int	Stage number.
PillBelowPlug	boolean	Pill below plug? Values are "true" (or "1") and "false" (or "0").
PlugCatcher	boolean	Plug catcher? Values are "true" (or "1") and "false" (or "0").
PresBackPressure	PressureMeasure	Constant back pressure applied while pumping the job (can be superseded by a back pressure per pumping stage).
PresBump	PressureMeasure	Pressure plug bumped.
PresCoilTbgEnd	PressureMeasure	Pressure coiled tubing end.
PresCoilTbgStart	PressureMeasure	Pressure coiled tubing start
PresCsgEnd	PressureMeasure	Casing pressure at the end of the job.
PresCsgStart	PressureMeasure	Casing pressure at the start of the job.
PresDisplace	PressureMeasure	Final displacement pressure.
PresHeld	PressureMeasure	Pressure held to.
PresMudCirc	PressureMeasure	Mud circulation pressure.
PresTbgEnd	PressureMeasure	Tubing pressure at the end of the job (not coiled tubing).
PresTbgStart	PressureMeasure	Tubing pressure at the start of the job (not coiled tubing).
PvMud	DynamicViscosityMeasure	Plastic viscosity (in the hole at the start of the job).
ReciprocationOverpull	ForceMeasure	Overpull amount for reciprocation.
ReciprocationSlackoff	ForceMeasure	Slackoff for reciprocation.
SqueezeObjective	String64	Squeeze objective.
StageMdInterval	MdInterval	Measured depth interval for the cement stage.
TailPipePerf	boolean	Tail pipe perforated? Values are "true" (or "1") and "false" (or "0").
TailPipeUsed	boolean	Tail pipe used? Values are "true" (or "1") and "false" (or "0").
TempBHCT	ThermodynamicTemperatureMeasure	Bottomhole temperature: circulating.
TempBHST	ThermodynamicTemperatureMeasure	Bottomhole temperature: static.
TopPlug	boolean	Top plug used? Values are "true" (or "1") and "false" (or "0").
TypeOriginalMud	String64	Type of mud in the hole.
TypeStage	String64	Stage type.
VolCircPrior	VolumeMeasure	Total volume circulated before starting the job/stage.
VolCsgIn	VolumeMeasure	Total volume inside the casing for this stage placement.
VolCsgOut	VolumeMeasure	Total volume outside casing for this stage placement.
VolDisplaceFluid	VolumeMeasure	Volume of displacement fluid.
VolExcess	VolumeMeasure	Excess volume.
VolExcessMethod	String64	Method to estimate excess volume.
VolMudLost	VolumeMeasure	Total mud lost.
VolReturns	VolumeMeasure	Volume of returns.
WtMud	MassPerVolumeMeasure	Mud density.
YpMud	PressureMeasure	Yield point (in the hole at the start of the job).

Table 12.3.2-2 Associations
Association	Notes
From: AbstractCementStage.Step 0..*To: CementPumpScheduleStep Association	Set of (Time / Rate / Back Pressure).
From: AbstractCementStage.EndingFluidLocation 0..*To: FluidLocation Association
From: AbstractCementStage.OriginalFluidLocation 0..*To: FluidLocation Association
From: CementStageDesign. To: AbstractCementStage Generalization
From: CementDesignStage. To: AbstractCementStage Generalization
From: CementStageReport. To: AbstractCementStage Generalization