| Name | Velocity_Set |
|---|---|
| Entity Type | Table |
| Description | A set of velocity locations of the same index property. |
| Submodel | Velocity |
| Entity Scope | Project |
| Primary Key | Id |
| Natural Key | |
| Generalizations | Entity , IT_Object , Tracked_Object |
| Specializations |
| Name | Value Domain / Measurement | Description | Required / Default | Type |
|---|---|---|---|---|
| Common_Correction_Velocity | double Acoustic_Velocity |
The uniform correction velocity for all functions in this set. | No |
NUMBER |
| Datum_Correction_Method | R_Datum_Correction_Method |
The method to be used to correct the velocities to a datum. Determines whether or not the individual function correction velocities, the velocity set correction velocity and datum | No |
VARCHAR2(64) |
| Existence_Kind | REF_EXISTENCE_KIND NA |
A reference value that describes the state of existence in the lifecycle of the entity, for example, Planned, Predicted, Required, Simulated, and Actual. | Yes Actual |
VARCHAR2(64) |
| GUID | STRING128 NA |
Globally Unique IDentifier for an instance of a class. This GUID is not generated by the database, but is the GUID used by the application on first access of this object. Use of this property is optional and completely under the control of application developers. | No |
VARCHAR2(128) |
| Id | ID No_Unit |
Unique identifier for this entity. | Yes |
NUMBER(38) |
| Index_Property | R_Property |
The property of the index for the time depth pairs. Values are Two_Way_Time, One_Way_Time, Measured_Depth, True_Vertical_Depth | Yes |
VARCHAR2(64) |
| Insert_Date | DATE NA |
Date the entity was created in the repository | No |
DATE |
| Insert_User | STRING64 NA |
The name of the user responsible for the creation of this entity in the repository. | No |
VARCHAR2(64) |
| Name | ENTITY_NAME NA |
The name given to any object or data item, e.g. Name of Well, Name of Field, etc. | No |
VARCHAR2(255) |
| Original_Source | STRING64 NA |
The name of the person, Organization or project source that originally provided this entity, e.g. "IHS-EnergyData" or "FinderUpper Stratton Deeper Pool 15" | No |
VARCHAR2(64) |
| Produced_By | STRING64 NA |
ID of the activity that was executing when the entity was created, for data created programmatically. | No |
VARCHAR2(64) |
| Remarks | STRING2000 NA |
Any type of remarks added to an entity instance. | No |
VARCHAR2(2000) |
| SDAT_Label | int No_Unit |
Label used by the security system for entitlements. SDAT is Secure Data Access Technology. | No |
NUMBER(10) |
| Source | STRING64 NA |
Name of the person or organization responsible for this entity"s E and P content and quality. Not the data technologist or IT expert creating the entity, for which see IT_Object.Insert_User and Update_User. | No |
VARCHAR2(64) |
| Update_Date | DATE NA |
Date of the most-recent modification to the entity. | No |
DATE |
| Update_User | STRING64 NA |
The name of the user responsible for the last modification to this entity. | No |
VARCHAR2(64) |
| Velocity_Context | R_Velocity_Context |
The context in which the velocity measurement was taken. Examples are Stacked Time, Stacked Depth, 2D Migrated Time, 2D Migrated Depth, 3D Migrated Time, 3D Migrated Depth. | No |
VARCHAR2(64) |
| Velocity_Form | R_Velocity_Form |
The form of the velocity value. Choices are Stacking, Dip_Corrected_Stacking, 2D_Dip_Corrected_Stacking, 3D_Dip_Corrected, RMS, Average, Interval. | Yes |
VARCHAR2(64) |
| Velocity_Type | R_Velocity |
The type of the velocities in the set. Values are Compressional, Vertical_Shear, and Horizontal_Shear. | Yes |
VARCHAR2(64) |
| Version | STRING255 NA |
The form or variant of the entity. | Yes 1 |
VARCHAR2(255) |
| Vertical_Reference_Id | Coordinate_System |
The coordinate system in which the velocity set is defined. This coordinate system or one of the coordinate systems in the coordinate system hierarchy contains the vertical references for the velocity set. | Yes |
NUMBER(38) |
| From Entity | Link | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Study_Velocity_Set | Velocity_Set | The identifier of a set of velocity functions that is an element of the study. | Nullify | No |
| Velocity_Function | Velocity_Set | The collection of velocities to which this velocity location belongs, if any. | Cascade | No |
| Link | To Entity | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Velocity_Type | R_Velocity | The type of the velocities in the set. Values are Compressional, Vertical_Shear, and Horizontal_Shear. | Restrict | Yes |
| Datum_Correction_Method | R_Datum_Correction_Method | The method to be used to correct the velocities to a datum. Determines whether or not the individual function correction velocities, the velocity set correction velocity and datum | Restrict | No |
| Velocity_Context | R_Velocity_Context | The context in which the velocity measurement was taken. Examples are Stacked Time, Stacked Depth, 2D Migrated Time, 2D Migrated Depth, 3D Migrated Time, 3D Migrated Depth. | Restrict | No |
| Vertical_Reference | Coordinate_System | The coordinate system in which the velocity set is defined. This coordinate system or one of the coordinate systems in the coordinate system hierarchy contains the vertical references for the velocity set. | Restrict | Yes |
| Velocity_Form | R_Velocity_Form | The form of the velocity value. Choices are Stacking, Dip_Corrected_Stacking, 2D_Dip_Corrected_Stacking, 3D_Dip_Corrected, RMS, Average, Interval. | Restrict | Yes |
| Index_Property | R_Property | The property of the index for the time depth pairs. Values are Two_Way_Time, One_Way_Time, Measured_Depth, True_Vertical_Depth | Restrict | Yes |