| Name | Lithologic_Log |
|---|---|
| Entity Type | Table |
| Description | A descriptive record of lithology over an interval in a borehole. The record may be composed of descriptions obtained from an analysis of actual log samples or analysis of logs. |
| Submodel | Rock_Sample_Description |
| Entity Scope | Project |
| Primary Key | Id |
| Natural Key | |
| Generalizations | Entity , IT_Object , Tracked_Object |
| Specializations |
| Name | Value Domain / Measurement | Description | Required / Default | Type |
|---|---|---|---|---|
| Base_Depth | double Depth |
The base depth of the descriptive record of lithology as measured by its original acquisition method. | No |
NUMBER |
| Borehole_Id | Borehole |
The borehole to which the descriptive record of lithology applies. | No |
NUMBER(38) |
| Description_Date | DATE NA |
The date when the lithology was described. | No |
DATE |
| 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) |
| 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) |
| Preferred_Flag | boolean NA |
A flag that indicates whether or not the lithologic log is the preferred log for the well | No |
NUMBER(1) |
| 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) |
| Strat_Column_Id | Strat_Column |
The Stratigraphic column to which the lithologic log references. | No |
NUMBER(38) |
| Top_Depth | double Depth |
The top depth of the descriptive record of lithology. | No |
NUMBER |
| 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) |
| Version | STRING255 NA |
The form or variant of the entity. | Yes 1 |
VARCHAR2(255) |
| From Entity | Link | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Lithology | Lithologic_Log | The descriptive record of lithology. | Restrict | No |
| Link | To Entity | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Strat_Column | Strat_Column | The Stratigraphic column to which the lithologic log references. | Nullify | No |
| Borehole | Borehole | The borehole to which the descriptive record of lithology applies. | Cascade | No |