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Details
Named Semantic Graph
- Name
- Change drill-floor elevation throughout life of a well
- Goal
- Correct for possible effect of time on certain depth datum.
- Description
- Some depth datum may change with time for instance because the rig has changed, because of subsidence, etc.
Statements
| Subject | Subject Category | Predicate | Object | Object Category |
|---|---|---|---|---|
| Vertical datum #1 | DDQUD.Subsurface.GeoReference | is compensated using | Subsidence compensation 1 | DDQUD.Drilling.Compensation |
| Vertical datum #2 | DDQUD.Subsurface.GeoReference | is compensated using | Heave compensation #2 | DDQUD.Drilling.Compensation |
| Past Operation #2 | DDQUD.Drilling.ActualOperation | is drilled using | Semi sub #2 | DDQUD.Drilling.Rig |
| Vertical datum #2 | DDQUD.Subsurface.GeoReference | is compensated using | Tide compensation #2 | DDQUD.Drilling.Compensation |
| Trajectory #2 | DDQUD.Drilling.Trajectory | belongs to | Past Operation #2 | DDQUD.Drilling.ActualOperation |
| Current Operation #1 | DDQUD.Drilling.ActualOperation | is relative to | Vertical datum #1 | DDQUD.Subsurface.GeoReference |
| Wellbore #1 | DDQUD.Drilling.WellBore | has a | Trajectory #2 | DDQUD.Drilling.Trajectory |
| Wellbore #1 | DDQUD.Drilling.WellBore | has a | Trajectory #1 | DDQUD.Drilling.Trajectory |
| Trajectory #1 | DDQUD.Drilling.Trajectory | belongs to | Current Operation #1 | DDQUD.Drilling.ActualOperation |
| Past Operation #2 | DDQUD.Drilling.ActualOperation | is relative to | Vertical datum #2 | DDQUD.Subsurface.GeoReference |
| Current Operation #1 | DDQUD.Drilling.ActualOperation | is drilled using | Fixed platform #1 | DDQUD.Drilling.Rig |
Nodes
Plain english description
| Vertical datum #1 is of type DDQUD.Subsurface.GeoReference |
| Subsidence compensation 1 is of type DDQUD.Drilling.Compensation |
| Vertical datum #1 is compensated using Subsidence compensation 1 |
| Vertical datum #2 is of type DDQUD.Subsurface.GeoReference |
| Heave compensation #2 is of type DDQUD.Drilling.Compensation |
| Vertical datum #2 is compensated using Heave compensation #2 |
| Past Operation #2 is of type DDQUD.Drilling.ActualOperation |
| Semi sub #2 is of type DDQUD.Drilling.Rig |
| Past Operation #2 is drilled using Semi sub #2 |
| Tide compensation #2 is of type DDQUD.Drilling.Compensation |
| Vertical datum #2 is compensated using Tide compensation #2 |
| Trajectory #2 is of type DDQUD.Drilling.Trajectory |
| Trajectory #2 belongs to Past Operation #2 |
| Current Operation #1 is of type DDQUD.Drilling.ActualOperation |
| Current Operation #1 is relative to Vertical datum #1 |
| Wellbore #1 is of type DDQUD.Drilling.WellBore |
| Wellbore #1 has a Trajectory #2 |
| Trajectory #1 is of type DDQUD.Drilling.Trajectory |
| Wellbore #1 has a Trajectory #1 |
| Trajectory #1 belongs to Current Operation #1 |
| Past Operation #2 is relative to Vertical datum #2 |
| Fixed platform #1 is of type DDQUD.Drilling.Rig |
| Current Operation #1 is drilled using Fixed platform #1 |