12.25.31 PerforationSet

Information regarding a collection of perforations.

Table 12.25.31-1 Attributes
Name	Type	Notes
BoreholeStringReferenceId	String64	Reference to the borehole that contains the perf set.
CrushDamageRatio	String64	The ratio value of crash damage.
CrushZoneDiameter	LengthMeasure	The diameter of the crushed zone.
DischargeCoefficient	double	A coefficient used in the equation for calculation of pressure drop across a perforation set.
DownholeStringReferenceId	String64	Reference to the downhole string.
FrictionFactor	double	The friction factor of each perforation set.
FrictionPres	PressureMeasure	The friction pressure for the perforation set.
HoleAngle	PlaneAngleMeasure	The angle of the holes.
HoleCount	int	The number of holes.
HoleDensity	ReciprocalLengthMeasure	The density of the holes.
HoleDiameter	LengthMeasure	The diameter of the perf holes.
HolePattern	String64	The pattern of the holes.
MdInterval	MdInterval	Measured depth interval for the entire perforation set.
PerforationDate	TimeStamp	The original perforation date.
PerforationPenetration	LengthMeasure	The penetration length of perforation.
PerforationTool	PerforationToolType	The type of perforation tool.
PermanentRemarks	String2000	Remarks regarding this perforation set.
TvdInterval	TvdInterval	The true vertical depth of the entire perforation set.
uid	String64	Unique identifier for this instance of PerforationSet.

Table 12.25.31-2 Associations
Association	Notes
From: PerforationSet. To: PerforationToolType Dependency
From: PerforationSet.EventHistory 0..1To: EventInfo Association
From: PerforationSets.PerforationSet 1..*To: PerforationSet Association	Contact interval type