12.25.13 DownholeString
Topic Version | 1 | Published | 11/11/2016 | ||
For Standard | WITSML v2.0 | ||||
Type: | Class | Stereotype: | «XSDcomplexType» |
A section of the downhole component equipment. Strings in the completion including casing, tubing, and rod strings .A completion may have multiple sets of strings, which may be nested each inside another, or run in parallel as in dual string completions; all strings are contained in a parent wellbore. Each string is composed of equipment, and may also contain accessories and/or assemblies.
Name |
Type |
Notes |
---|---|---|
AxisOffset |
LengthMeasure |
The distance from a sibling string. |
ExtensionNameValue |
ExtensionNameValue |
Extensions to the schema based on a name-value construct. |
Name |
String64 |
The name of the downhole string. |
ParentStringsName |
String64 |
The name of parent string. |
StringInstallDate |
TimeStamp |
The install date of the downhole string. |
StringMdInterval |
MdInterval |
Measured depth interval between the top and the base of the downhole string. |
StringType |
DownholeStringType |
The type of string defined in the enumeration DownholeStringType. |
SubStringType |
SubStringType |
The type of substring which can be SurfaceCasing, IntermediaCasing or ProductionCasing. |
uid |
String64 |
Unique identifier for this instance of DownholeString. |
Association |
Notes |
---|---|
From: DownholeString.StringEquipmentSet 0..1To: StringEquipmentSet Association |
the list of equipment in the string. each equipment is liner connected and carry the rest of weight |
From: DownholeString.ReferenceWellbore 1..1To: Wellbore Association |
|
From: DownholeString. To: SubStringType Dependency |
|
From: DownholeString.ExtensionAny 0..1To: CustomData Association |
Extensions to the schema using an xsd:any construct. |
From: DownholeString.ParentString 0..1To: DownholeString Association |
|
From: DownholeString. To: DownholeStringType Dependency |
|
From: DownholeString.Accessories 0..1To: StringAccessory Association |
the accessories equipment of the string. It locates in the downhole string, but it is not equipment which liner connected in string (from top to down), and it is not carraying the weight of string |
From: DownholeComponent.WellHead 0..1To: DownholeString Association |
This section contains wellhead information, and is composed of string equipment |
From: DownholeStringSet.DownholeString 1..*To: DownholeString Association |
Information about a single downhole string. |
From: DownholeString.ParentString 0..1To: DownholeString Association |