12.18.2 WellboreShape

Topic Version1Published11/11/2016
For StandardWITSML v2.0
Type:EnumerationStereotype:«Enumeration»

Specifies values to represent the classification of a wellbore based on its shape. The source of the values and the descriptions is the POSC V2.2 "facility class" standard instance values in classification system "POSC wellbore trajectory shape".

Table 12.18.2-1 Attributes

Name

Type

Notes

build and hold

 

A wellbore configuration where the inclination

is increased to some terminal angle of inclination and maintained

at that angle to the specified target.

deviated

 

A wellbore that significantly departs from vertical

with respect to the surface location.

double kickoff

 

Incorporates two tangential (constant, non-zero inclination) sections, the second of which must be at a higher inclination than the first.

horizontal

 

A wellbore whose path deviates from the

vertical by at least 75 degrees.

S-shaped

 

A wellbore drilled with a vertical segment, a

deviated segment, and a return toward a vertical segment.

vertical

 

A wellbore that is nearly vertical with

respect to the surface location.

unknown

 

The value is not known. Avoid using this value. All reasonable attempts should be made to determine the appropriate value. Use of this value may result in rejection in some situations.

Table 12.18.2-2 Associations

Association

Notes

From: WellboreShape.

To: TypeEnum

Generalization

 

From: Wellbore.

To: WellboreShape

Dependency