| Name | R_Tracer |
|---|---|
| Entity Type | Table |
| Description | A reference table that stores valid types of drilling mud tracer additives. A tracer additive is used to mark the mud filtrate to help identify the depth of contamination of initial water saturations in the sample. |
| Submodel | Rock_Sample_Acquisition |
| Entity Scope | Reference |
| Primary Key | Code |
| Natural Key | Code |
| Generalizations | Reference_Entity , Reference_Entity_Parent |
| Specializations |
| Name | Value Domain | Property / Storage Unit | Description | Required / Default | Type |
|---|---|---|---|---|---|
| Active_Flag | boolean | NA |
1 = use without restriction. 0 = avoid use - the value has been deprecated and may be removed in a later release. | Yes 1 |
NUMBER(1) |
| Code | CODE | NA |
A standard abbreviation, mnemonic, or short code that represents the reference value. | Yes |
VARCHAR2(64) |
| Description | STRING2000 | NA |
A textual definition of the reference value. | No |
VARCHAR2(2000) |
| 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 | STRING255 | NA |
The spelled-out name of the reference value. | No |
VARCHAR2(255) |
| Source | CODE | NA |
The person, company or application that defined or specified the data (content) for this instance and is considered to be responsible for it. For example, POSC, EPSG, API, ISO, etc.. | 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) |
| From Entity | Link | Description | Implementation Technique | Required |
|---|---|---|---|---|
| Conv_Core_Acquisition | Tracer_Type | The type of the drilling mud tracer additive used during conventional core acquisition. A tracer additive is used to mark the mud filtrate to help identify the depth of contamination of initial water saturations in the sample. Examples include RADIOACTIVE DEUTERIUM, RADIOACTIVE TRITIUM, RADIOACTIVE TRITIATED HEXADECANE, SODIUM POTASSIUM BROMIDE SALT, CHLORIDE SALT, IODIDE SALT, ISO-PROPANOL ALCOHOL, NITRATE and FLUORESCEIN DYE. | Restrict | No |