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Details

Named Semantic Graph


Name
Drilling inform G&G Personnel about TVD uncertainty from ground level
Goal
Convey TVD uncertainty in reference to ground level
Description
Tabulations of well survey data is typically to 2 decimal places when the uncertainty, at deeper depths, is in whole meters / feet and multiples thereof. This is misleading to the end user and subsurface modelling (especially cross correlation of pressures) suffers badly. A common representation of uncertainty on shared TVD data is needed to ensure end users take into account the real uncertainty

Statements


Subject Subject Category Predicate Object Object Category
Trajectory #3 DDQUD.Drilling.Trajectory belongs to Current Operation #1 DDQUD.Drilling.ActualOperation
Trajectory #4 DDQUD.Drilling.Trajectory is estimated using Confidence Factor #1 DDQUD.Drilling.ConfidenceFactor
Wellbore #1 DDQUD.Drilling.WellBore has a Trajectory #2 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory has lower vertical bound Trajectory #4 DDQUD.Drilling.Trajectory
Trajectory #3 DDQUD.Drilling.Trajectory is extended to Section TD #1 DDQUD.Drilling.WellDepth
Trajectory #5 DDQUD.Drilling.Trajectory is estimated using Confidence Factor #1 DDQUD.Drilling.ConfidenceFactor
Trajectory #2 DDQUD.Drilling.Trajectory belongs to Current Operation #1 DDQUD.Drilling.ActualOperation
Wellbore #1 DDQUD.Drilling.WellBore has a Trajectory #1 DDQUD.Drilling.Trajectory
Wellbore #1 DDQUD.Drilling.WellBore has a Trajectory #3 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory has higher vertical bound Trajectory #5 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory belongs to Planned Operation #1 DDQUD.Drilling.PlannedOperation

Nodes


Node Name Node Category URI
Trajectory #3 DDQUD.Drilling.Trajectory
Current Operation #1 DDQUD.Drilling.ActualOperation
Trajectory #4 DDQUD.Drilling.Trajectory
Confidence Factor #1 DDQUD.Drilling.ConfidenceFactor
Wellbore #1 DDQUD.Drilling.WellBore
Trajectory #2 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory
Trajectory #4 DDQUD.Drilling.Trajectory
Trajectory #3 DDQUD.Drilling.Trajectory
Section TD #1 DDQUD.Drilling.WellDepth
Trajectory #5 DDQUD.Drilling.Trajectory
Confidence Factor #1 DDQUD.Drilling.ConfidenceFactor
Trajectory #2 DDQUD.Drilling.Trajectory
Current Operation #1 DDQUD.Drilling.ActualOperation
Wellbore #1 DDQUD.Drilling.WellBore
Trajectory #1 DDQUD.Drilling.Trajectory
Wellbore #1 DDQUD.Drilling.WellBore
Trajectory #3 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory
Trajectory #5 DDQUD.Drilling.Trajectory
Trajectory #1 DDQUD.Drilling.Trajectory
Planned Operation #1 DDQUD.Drilling.PlannedOperation

Plain english description

Trajectory #3 is of type DDQUD.Drilling.Trajectory
Current Operation #1 is of type DDQUD.Drilling.ActualOperation
Trajectory #3 belongs to Current Operation #1
Trajectory #4 is of type DDQUD.Drilling.Trajectory
Confidence Factor #1 is of type DDQUD.Drilling.ConfidenceFactor
Trajectory #4 is estimated using Confidence Factor #1
Wellbore #1 is of type DDQUD.Drilling.WellBore
Trajectory #2 is of type DDQUD.Drilling.Trajectory
Wellbore #1 has a Trajectory #2
Trajectory #1 is of type DDQUD.Drilling.Trajectory
Trajectory #1 has lower vertical bound Trajectory #4
Section TD #1 is of type DDQUD.Drilling.WellDepth
Trajectory #3 is extended to Section TD #1
Trajectory #5 is of type DDQUD.Drilling.Trajectory
Trajectory #5 is estimated using Confidence Factor #1
Trajectory #2 belongs to Current Operation #1
Wellbore #1 has a Trajectory #1
Wellbore #1 has a Trajectory #3
Trajectory #1 has higher vertical bound Trajectory #5
Planned Operation #1 is of type DDQUD.Drilling.PlannedOperation
Trajectory #1 belongs to Planned Operation #1

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Trajectory #3 Trajectory #5 Trajectory #4 Confidence Factor #1 Trajectory #1 Planned Operation #1 Trajectory #2 Wellbore #1 Current Operation #1 Section TD #1 belongs to is extended to is estimated using is estimated using has lower vertical bound has higher vertical bound belongs to belongs to has a has a has a