12.18.2 WellboreShape
Topic Version | 1 | Published | 11/11/2016 | ||
For Standard | WITSML v2.0 | ||||
Type: | Enumeration | Stereotype: | «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".
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. |
Association |
Notes |
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From: WellboreShape. To: TypeEnum Generalization |
|
From: Wellbore. To: WellboreShape Dependency |