12.26.23 WellCMLedger

Information regarding details of Jobs and Events

Table 12.26.23-1 Attributes
Name	Type	Notes
ActivityCode	DrillActivityCode	Activity code
BusinessAssociate	String64	Service company or business
Comment	String2000	Comment on this ledger
Contact	String64	Contact name or person to get in touch with. Might not necessarily be the person responsible.
Description	String2000	Description of this ledger
DTimEnd	TimeStamp	Date and time that activities were completed.
DTimStart	TimeStamp	Date and time that activities started.
Duration	TimeMeasure	The activity duration (commonly in hours).
EventOrder	int	Order number of event.
IsPlan	boolean	True if planned.
MdInterval	MdInterval	Measured depth interval for this activity.
Nonproductive	boolean	True if event is not productive.
ParentEventID	String64	Parent event reference id.
Phase	String64	Phase (large activity classification) e.g. Drill Surface Hole.
PreventiveMaintenance	boolean	True of event is for preventive maintenance
ResponsiblePerson	String64	Name or information about person responsible who is implementing the service or job.
RigID	String64	Rig reference id.
Trouble	boolean	True if event implies is in-trouble
Type	EventType	Comment on type of this event, either referring to a job type or an activity type e.g. a safety meeting.
Unplanned	boolean	True if there is no planning infomation for this activity.
WorkOrderID	String64	Extension event for work order id.

Table 12.26.23-2 Associations
Association	Notes
From: WellCMLedger.EventType 0..1To: EventType Association
From: WellCMLedger.Cost 0..*To: DayCost Association	The job or event cost detail.
From: WellCMLedger.Wellbore 1..1To: Wellbore Association
From: WellCMLedger.EventExtension 0..*To: AbstractEventExtension Association	Event extensions
From: WellCMLedger.DownholeComponentReference 0..1To: DownholeComponentReference Association	This is to associate with verb(Event) and noun (downholeEquipment). to refer to the whole downholeComponent using downholeComponentExtension.
From: WellCMLedger.Participant 0..1To: Participant Association	Participant points to the involved witsmlobjects
From: WellCMLedger. To: AbstractObject Generalization