12.25.31 PerforationSet

Topic Version1Published11/11/2016
For StandardWITSML v2.0
Type:ClassStereotype:«XSDcomplexType»

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