12.11.33 StimPumpFlowBackTestStep

In a step-down pump diagnostics test, this object contains all the data for a particular step in that test.

Table 12.11.33-1 Attributes
Name	Type	Notes
BottomholeRate	VolumePerTimeMeasure	Bottomhole flow rate for the specific step.
DTim	TimeStamp	Time stamp of the pressure measurement.
EntryFriction	PressureMeasure	Calculated entry friction accounting for perforation and near wellbore restrictions for the specific step.
ExtensionNameValue	ExtensionNameValue	Extensions to the schema based on a name-value construct.
FlowbackVolume	VolumeMeasure	Volume of flowback since the start of the test.
FlowbackVolumeRate	VolumePerTimeMeasure	Flowback rate.
NearWellboreFriction	PressureMeasure	Calculated near-wellbore friction loss.
Number	NonNegativeLong	The number of the step. Identifies the step within the step down test.
PerfFriction	PressureMeasure	Calculated perforation friction for the specific step.
PipeFriction	PressureMeasure	Calculated pipe friction for the specific step.
Pres	PressureMeasure	Surface pressure measured for the specific step.
SurfaceRate	VolumePerTimeMeasure	Surface rate entering the well for the specific step.
uid	String64	Unique identifier for this instance of StimPumpFlowBackTestStep.

Table 12.11.33-2 Associations
Association	Notes
From: StimPumpFlowBackTest.Step 0..*To: StimPumpFlowBackTestStep Association